keep-用法
keep 是英语中用法灵活的动词之一，下面笔者就其用法归纳如下：
一、用作系动词，意为“保持（某种状态）”，其后常接形容词作表语。如：
Please keep quiet / silent! 请保持安静！
After the accident, he still kept alive. 这次事故之后，他仍然活着。
二、用作实义动词，可表示：
1.保管；保存；保留。如：
Keep the change. 零钱不用找了。
Please keep these things for me while I am away. 在我离开期间，请你替我保管这些东西。
2.赡养；饲养。如：
Does he earn enough to keep himself and his family? 他的收入够养活他自己和他的家人吗？
I used to keep sheep in my childhood. 我在孩提时常常养羊。
3.经营。如：
Her father kept a grocer's shop for a number of years. 她父亲开了几年杂货店。
4.坚持；继续。后面如接动词，要用V-ing 形式作宾语。如：
If you keep (on) practising your spoken English, you'll soon make great progress. 如果你坚持练习英语口语，你很快就会取得很大的进步。
5.阻止；阻碍。常用于keep sb/sth from doing sth 结构中，其中介词from 不能省略。如：
The heavy rain didn't keep them from watching the football match. 大雨没能阻止他们观看足球赛。
6.保持。其后常接复合宾语，表示使（某人或某物）保持某种状态或使某一动作继续。
①keep + sb/sth + 介词。如：
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If your hands are cold, keep them in your pockets.
如果你觉得手冷，就把它们放在口袋里。
② keep + sb/sth + 形容词。如：
These gloves will keep your hands warm.
这种手套保暖好。
③ keep +sb/sth + 副词。如：
The cold weather kept us indoors.
寒冷的天气使我们呆在家里。
④ keep + sb/sth + V-ing 形式，表示“让某人/ 某物一直……”，强调动作的持续性。如：
I'm sorry I've kept you waiting.
很抱歉，让你久等了。
⑤keep + sb/sth + V-ed 形式，表示“让某人/ 某物一直被……”，宾语是V-ed 形式，表示的动作的承受者。如：
She kept her eyes shut and stayed where she was.
她紧闭双眼，呆在原地未动。
7. 构成的其它动词短语有：
keep a record （保持记录），keep apart （把……分开），keep back one's tears （忍住眼泪），keep in touch (with) （保持与……的联系），keep out (of) （把……关在外面），keep up （保持；使……不能入睡），keep one's / an eye on （照管，密切注视），keep away (from) （离开；不接近；戒除），keep in mind （牢记），keep one's word （遵守诺言），keep pace/step with （跟上……的步伐），keep up with （与……同步；跟上）等。
在人教版初中英语教材中，keep是要求学生必须掌握的四会词之一，现将其常见用法归纳小结如下，以利于大家正确地使用该词。
一、用作及物动词
1. 意为"保存；保留；保持；保守"。如：
could you keep these letters for me, please? 你能替我保存这些信吗？
i'll keep a seat for you.我给你留个座位。
it can help to keep vegetables, fruit and meat for a long time in hot summer. 在炎热的夏天，它有助于蔬菜、水果和肉类长时间保鲜。
can you keep a secret? 你能保守秘密吗？
2. 意为"照顾；养活"等。如：
she kept her sister for a week while her sister was ill.她妹妹有病时，她照看她了一个星期。
i have a family to keep.我得养活一家人。
3. 意为"留下；不必还"。如：
you can keep the pen if you like it.你要是喜欢就把钢笔留下吧。
keep the change.不用找零钱了。
4. 意为"遵守；维护"。如：
everyone must keep the rules. 人人必须遵守规章制度。
the teacher is keeping order in class.老师正在课堂上维持秩序。
5. 意为"售；卖"。如：
the shop keeps everything you need.那家商店里出售的东西应有尽有。
he keeps everything you will drink.他出售你想喝的各种饮料。
6. 意为"记(日记、帐等)"。如：
she keeps a diary every day.她坚持每天记日记。
he keeps exact accounts of the money he spends and a diary of the events of his holidays.他详细地记载他所花的钱数和假期中所发生的事情。
7. 意为"使……保持某种(状态、位置或动作等)"。这时要在keep的宾语后接补足语，构成复合宾语。其中宾语补足语通常由形容词、副词、介词短语、现在分词和过去分词等充当。如：
we should keep our classroom clean and tidy.(形容词)我们应保持教室整洁干净。
you'd better keep the child away from the fire.(副词)你最好让孩子离火远一点。
the bad weather keeps us inside the house.(介词短语)坏天气使我们不能出门。
don't keep me waiting for long.(现在分词)别让我等太久。
the other students in the class keep their eyes closed.(过去分词)班上其他同学都闭着眼睛。
二、用作连系动词
构成系表结构：keep＋表语，意为"保持，继续(处于某种状态)"。其中表语可用形容词、副词、介词短语等充当。如：
you must look after yourself and keep healthy.(形容词)你必须照顾好自己，保持身体健康。
keep off the grass.(副词)请勿践踏草地。
traffic in britain keeps to the left.(介词短语)英国的交通是靠左边行驶的。
注意：一般情况下，keep后接形容词较为多见。再如：
she knew she must keep calm.她知道她必须保持镇静。
please keep silent in class.课堂上请保持安静。
三、与介词或副词搭配，构成动词短语
1.keep away意为"(使)离开；(使)不接近"，其后常接介词from。如：
would you keep your dog away from my boy, please? 请把狗拉得离我孩子远点好吗？
keep everybody away from the accident.人人远离事故！
2.keep back意为"阻止；留在后面"。如：
she sat down quietly, but she couldn't keep
back her tears.她静静地坐下来，却忍不住流下了眼泪。
3.keep together意为"在一起；动作协调"。如：
keep together, please.请聚在一起。
the eight men kept together during the boat race as though they were one.赛船时，这8个人动作协调，好像一个人似的。
4.keep up意为"持续；使不低落"。如：
the noise kept up all night.噪音整夜持续着。
to keep your strength up, eat well and get enough sleep.为了保持力气，要吃好、睡足。
5.keep up with意为"跟上；和……来往"。如：
i'm trying my best to keep up with the others in class.我正在设法赶上班里的其他人。
do you still keep up with tom? 你和汤姆还有联系吗？
6.keep...in mind意为"把……记在心里"。如：
the teacher asked us to keep these sentences in mind.老师要我们把这些句子记在心里。
四、含keep的常用句型
1.keep doing sth. 意为"继续干某事"，表示不间断地持续干某事，keep后不能接不定式或表示静止状态的v-ing形式，而必须接延续性的动词。如：
he kept working all day, because he wanted to finish the work on time.他整天都在不停地工作，因为他想准时完成工作。
keep passing the ball to each other, and you'll be ok.坚持互相传球，你们就行。
2.keep on doing sth. 意为"持续做某事"。如：
the pupil kept on asking me the same question.这个学生不断地问我同一个问题。
i kept on thinking about the match in the afternoon.我总是想起下午的那场比赛。
3. keep...from doing sth.意为"阻止/防止……做某事"。如：
the heavy snow kept us from going out.大雪使我们不能出去。
keep 的用法
Keep的用法： keep vt., vi. kept, keeping 保留；保守 I keep old letters.我保存旧信。 I'll keep the original copy of your report on file. 我会把你报告的原件归档的。 It's an interesting suggestion and we'll keep it on ice." 这是一项有趣的建议,我们将留待以后考虑采用。" 保持；继续 We will keep on trying and, if we get anything done, will notify you. 我们将继续努力，有结果将通知你。 Leaders shouldn't keep themselves aloof from the masses. 领导人决不应该脱离群众。 Keep calm!安静! You shouldn't keep chopping and changing like this; you'd better make up your mind right now! "你不能再这样变化无常了,最好现在就拿定主意!" 遵守 He keeps to his promise.他守约。 "Everyone should keep discipline, and you, officers are no exception." "每个人都应该遵守纪律,你们军官也不例外。" 保卫；保护 Keep the baby warm.别把婴儿冻着。（常与from连用）防止；抑制 Keep one's temper。抑制住不发脾气。 Keep a curb on your anger.请抑制住怒气。 扣留；留下 Please keep me a place in the queue.请在队里给我留个位置。 赡养；饲养 to keep a dog养狗 Farmers usually keep chickens in their backyard. 农民们通常在自己的后院养鸡。 经营；经销；管理 to keep a shop开商店 to keep house治家 （常与from连用）远离；不接触 Keep away from the scene of the accident.勿靠近事故现场。 Their dog looked dangerous, we decided to keep our distance from it. 他们家那条狗样子很凶恶,因此我们决定离它远一点。 But the stone walls keep the farmer's cows from joining his neighbor's cows. 但是石头墙使这家农民的母牛不会加入到邻居的牛群中去。
when的用法总结大全
when的用法总结大全 when的用法你知道多少，今天给大家带来when的用法，希望能够帮助到大家，下面就和大家分享，来欣赏一下吧。 when的用法总结大全 when的意思 adv. 什么时候,(用于时间的表达方式之后)在那时,其时,当时conj. 在…时,既然,如果 pron. 什么时候,那时 n. 时间，时候,日期,场合 when用法 when可以用作副词 when的基本意思是“什么时候”。可用作疑问副词,用来询问某事曾发生或将要发生的时间,引导特殊疑问句; 还可用作关系副词引导限制性定语从句、非限制性定语从句和表语从句,表示“是…时候的事”。 when可用作从属连词,引导状语从句,表示时间时作“当…时,在…的时候”解; 表示条件时作“如果,要是”解; 表示对比时作“既
然,考虑到”解。当when所引导的从句的主语和主句的主语一致时,常将其主语、系动词或助动词省去,只留实义动词或表语,或者改写为短语。 when所引导的时间状语从句用一般现在时代替将来时,用现在完成时代替将来完成时。 when用作副词的用法例句 When did that happen?那件事是什么时候发生的? They stood respectfully when he entered the room.当他走进房间时，他们都恭恭敬敬地站着。 Iron will melt when it is made very hot.当铁烧得很热时就会熔化的。 when可以用作连词 when可用作从属连词,引导状语从句,表示时间时作“当…时,在…的时候”解; 表示条件时作“如果,要是”解; 表示对比时作“既然,考虑到”解。当when所引导的从句的主语和主句的主语一致时,常将其主语、系动词或助动词省去,只留实义动词或表语,或者改写为短语。 when所引导的时间状语从句用一般现在时代替将来时,用现在完成时代替将来完成时。
keep的用法
1.keep +形容词 2.keep+sth/sb +形容词 3.keep +doing 一直做某事 4.keep ... from doing ... 阻止做某事。。。 5.keep a pet 饲养一个宠物 6.How long may I keep this book ？ keep指借。 keep的用法小结 keep是高考常考词汇之一，其含义丰富，与其搭配的短语也很多，其主要用法如下： A、用作及物动词 （1）保留、保存、保持、留下 e.g. We'd better keep a seat for him. 我们最好给他留个座位。 He kept all the money in the bank. 他把所有的钱都存入了银行。 （2）履行（诺言）遵守 e.g. One should keep one's promise. 一个人应当遵守自己的诺言。 Everybody must keep the law. 人人都必须守法。 （3）赡养，养活，饲养 e.g. He has a large family to keep. 他有一大家人要养活。 The old man kept many animals like dogs, pigs and cats. 这位老人养了许多动物，像狗、猪、还有猫等。 （4）经营，管理
e.g. He kept a hotel in this city. 在这座城市里，他开了一家旅店。 She is good at keeping house. 她擅长管理家务。 （5）保守（秘密），记（日记、帐） e.g. All of the people keep the Spring Festival in our country. 我国所有的人都庆祝春节。 Some of them keep birthdays. 他们中有些人庆祝生日。 （7）使……处于某种状态（情况） 在这种情况下，keep常跟复合结构（keep＋宾语＋补语）。用作宾语补足语常见的词有现在分词、过去分词、形容词、副词以及介词短语。 e.g. He kept me waiting for half an hour. 他让我等了半个小时。 Keep your mouth shut and your eyes open. 少说话，多观察。 The doctor kept me in for a week. 医生一周没让我出去。 He always keeps his books in good order. 他总是把书放得整整齐齐。 B、用作不及物动词 （1）保持、继续（处于某种状态）（keep为连系动词）
keep的用法
用作动词(v.) keep about〔around〕1( v.+adv. ) 1. 继续履行职责go on with one's duties keep about〔around〕 She is very ill, but she still keeps about. 她虽然病得很重,但仍然继续工作。 2. 使手边常有have sth always present keep sth ? about〔around〕 I like to keep a few envelopes around in case I need them.我喜欢手边常有几个信封,以应不时之需。 keep about〔around〕2 ( v.+prep. ) keep abreast of( v.+adv.+prep. ) keep after( v.+prep. ) keep aloof( v.+adv. )
keep apart( v.+adv. ) keep at( v.+prep. ) keep away( v.+adv. ) keep away from( v.+adv.+prep. ) keep back( v.+adv. ) keep behind1( v.+adv. ) keep behind2 ( v.+prep. ) keep by1( v.+adv. ) keep by2( v.+prep. ) keep down( v.+adv. ) keep for( v.+prep. ) keep from( v.+prep. ) keep going( v.+adj. ) keep in1( v.+adv. ) keep in2( v.+prep. )
Keep_用法
Keep 用法知多少 keep 是英语中用法灵活的动词之一，用法归纳如下： 一、用作系动词，意为“保持（某种状态）”，其后常接形容词作表语。如： Please keep quiet / silent! 请保持安静！ After the accident, he still kept alive. 这次事故之后，他仍然活着。 二、用作实义动词，可表示： 1. 保管；保存；保留。如： Keep the change. 零钱不用找了。 Please keep these things for me while I am away. 在我离开期间，请你替我保管这些东西。 2. 赡养；饲养。如： Does he earn enough to keep himself and his family? 他的收入够养活他自己和他的家人吗？ I used to keep sheep in my childhood. 我在孩提时常常养羊。 3. 经营。如： Her father kept a grocer's shop for a number of years. 她父亲开了几年杂货店。 4. 坚持；继续。后面如接动词，要用V-ing 形式作宾语。如： If you keep (on) practising your spoken English, you'll soon make great progress. 如果你坚持练习英语口语，你很快就会取得很大的进步。 5. 阻止；阻碍。常用于keep sb/sth from doing sth 结构中，其中介词from 不能省略。如： The heavy rain didn't keep them from watching the football match. 大雨没能阻止他们观看足球赛。 6. 保持。其后常接复合宾语，表示使（某人或某物）保持某种状态或使某一动作继续。 ①keep + sb/sth + 介词。如：
when-的用法
when 的用法 一、when 用作副词。 1. 用作疑问副词，引导特殊疑问句。(什么时候，何时 [at what time ])例如： ①When will you come to see me? ②When are they going to visit the Great Wall? 2. 用作连接副词，通常用来引导名词性从句[主语从句、表语从句、同位语从句、宾语从句]及起名词作用的“when ＋动词不定式”结构。(什么时候，何时 [at which; on which ])例如： ①When he comes is not known. [主语从句] ②The morning is when I am busiest. [表语从句] ④I don't know when the plane takes off. [宾语从句] ⑤I don't know when to leave for London. [宾语] 3. 用作关系副词，引导限定性定语从句和非限定性定语从句。(在…的时候 [at/on/in/during which])例如： ①Do you still remember the days when we stayed in America? ②The day will come soon when the Chinese astronauts will go to the moon. ③It happened ten years ago, when I was a child. ④We will go to the countryside at the beginning of June, when the summer harvest will start. 二 . when 用作连词。 1. 用作从属连词，意为“当……的时候[at the time when ]”，引导时间状语从句。例如： ①They learned a lot from the peasants when they stayed in the village. ②It was snowing when he arrived at the station. 【点津】如果 when 引导的从句中的主语和主句中的主语一致，且从句中的谓语动词是“be ＋分词”或从句主语是 it ，则 be 动词及其主语常可省略。例如： ③When（ he was ）asked why he was late, he made no answer. ④I'll tell him about it when（ it is ）possible. 2. 用作从属连词，意为“一……就……”，引导时间状语从句。[immediately after]例如： ①We will stand up when the teacher comes into the classroom. 老师一进教室我们就起立。 ②Fire the rockets when I give the signal. 3. 用作从属连词，意为“还没 / 刚刚/刚一……就”，引导时间状语从句。[immediately after]例如： ①I had hardly opened the door when he came in. 我刚一开门，他就进来了。 ②I had not been reading for half an hour when I heard someone call my name. 【点津】hardly…when和no sooner…than的结构要注意三点：意思为“一A就B“；A句通常用完成时态；hardly 和 no sooner 位于句首时要注意部分倒装。 4. 用作从属连词，意为“倘若，如果”，表示条件。例如： ①Turn off the switch when anything goes wrong with the machine. 如果机器发生故障，就把电源关上。 ②He will be likely to recover when he is operated on. 5. 用作从属连词，意为“既然，尽管”，表示让步。例如： ①Why use metal when you can use plastic?既然能用塑料,为什么用金属? ②They kept trying when they knew it was hopeless. 尽管他们知道那件事没有希望，可是他们还在不断地努力。6. 用作并列连词，意为“在那时，届时;就在这时”，表示时间。这时主句中可以用过去进行时，过去完成时或“ was/were about to do sth. ”结构。 ①Last night I was about to go to bed when the phone rang. ②I was cooking in the kitchen when someone knocked at the door. ③He had just finished the book when supper was served. 7. 用作并列连词，意为“虽然、然而、可是”，表示转折。例如： ①He usually walks to work when he might take a bus. 虽然他可 以坐公共汽车上班，但他却常常步行上班。 ②I had only twenty dollars when I needed thirty to buy the dictionary.我需要 30 美元买那本字典，可是我只有20美元。 8. 用作并列连词，意为“而、却”，表示对比。例如： How can he say that everything is fine when it's obvious that it is not? 他怎能说一切都好呢？情况显然不是那样。 三 . when 用作代词[which time]。 when 作为代词常常位于介词之后，意为“那时，什么时候”。例如： ①Since when have you been studying Japanese? 【点津】since when 作引导词时是“介词（since）+关系代词（when）”的结构，when意为which time。since when常引导非限制性定语从句，从句应用完成时态。 ②I came here in 1949, since when I have been engaged in this work. 我1949年到这里，从那时起我就担任这项工作。 ③We came back on Tuesday, since when we have been working in the repair shop. ④We came a week ago, since when the weather has been bad. 四、when 还可用作名词，前面常常用定冠词 the。 the when 表示事 件发生的时间,常常与 the where, the how 并列使用。 He told the police the when and the how of the accident. 他告 诉警察事故发生的时间及发生的原委。 ［巩固练习］ 1. I remember ______ this used to be a quiet village. A. when B. how C. where D. what 2. Why do you want a new job _____ you've got such a good one already? A. that B. where C. which D. when 3. It was an exciting moment for these football fans this year, ______ for the first time in years their team won the World Cup. A. that B. while C. which D. when 4. We are living in an age _______ many things are done on computer. A. which B. that C. where D. when 5. The reporter said that the UFO ______ east to west when he saw it. A. was travelling B. travelled C. had been travelling D. was to travel 6. ______ got into the room _________ the telephone rang. A. He hardly had; then B. Hardly had he; when C. He had not; than D. Not had he; when 7. ---- Can I join your club, Dad? ---- You can when you _______ a bit older. A. get B. will got C. are getting D. will have got 8. I shall never forget those days ________ I lived in the countryside with the farmers, ________ had a great effect on my life. A. that; which B. when; which C. which; that D. when; who 9. The film brought the hours back to me ______ I was taken good care of in that faraway village. A. until B. that C. when D. where 10. He was about to tell me the secret ______ someone patted him on the shoulder.
中考英语keep用法归纳
Keep用法归纳 在人教版初中英语教材中，keep是要求学生必须掌握的四会词之一，现将其多见用法归纳小结如下，以利于大家正确地使用该词。 一、用作及物动词 1.意为“保存；保留；保持；保守“。如： Could you keep these letters for me, please?你能替我保存这些信吗？ I“ll keep a seat for you.我给你留个座位。 It can help to keep vegetables, fruit and meat for a long time in hot summer.在炎夏的夏天，它有助于蔬菜、水果和肉类长时间保鲜。 Can you keep a secret?你能保守秘密吗？ 2.意为“照顾；养活“等。如： She kept her sister for a week while her sister was ill.她妹妹有病时，她照看她了一个星期。 I have a family to keep.我得养活一家人。 3.意为“留下；不必还“。如： You can keep the pen if you like it.你要是喜欢就把钢笔留下吧。 Keep the change.不用找零钱了。 4.意为“遵守；维护“。如： Everyone must keep the rules.人人必须遵守规章制度。 The teacher is keeping order in class.老师正在课堂上维持秩序。 5.意为“售；卖“。如： The shop keeps everything you need.那家商店里出售的东西应有尽有。
连词when的用法
一、作为副词，它有以下的用法： 1. 作为疑问副词，引导特殊疑问句，意为“什么时候；何时”。 （1 ）When will they come back？ （2 ）What time will they come back？ 回答when 引导的从句，不一定指出具体的时间点。如回答句（ 1 ）可用tomorrow，next month 等。而回答what time 引导的问句，则必须说出具全的时间点，如at two o'clock，at five past ten 等。 2. 作连接副词，引导名词性从句或不定式，意为“什么时候”。从句使用陈述句语序，时态根据实际情况而定。 （1 ）I'd like to know when they will come. 我想知道他们什么时候来。（when 引导宾语从句） （2 ）Can you tell me when the bank opens？你能告诉我银行什么时候开门吗？（when 引导宾语从句） （3 ）When she'll be back depends much on the weather. 她何时回来在很大程度上取决于天气。（when 引导主语从句） （4 ）Have you decided when to go sightseeing？你们已经决定什么时候去郊游了吗？（when 引导不定式结构） 3. 作疑问代词，常和介词since，till，up to 等连用，意为“什么时候”。 如：（1 ）Since when have they had the house？他们从什么时候起有这幢房子的？（2 ）Till when is the library open？图书馆开放到几点呢？ 4. 作关系副词，引导限制性定语从句和非限制性定语从句。 （1 ）The days are gone forever when the Chinese people were looked down upon. 中国人民被人轻视的日子一去不复返了。 （2 ）The main school holidays are from mid-December till early February，when the days are long and warm. 学校的主要假期是从12 月中旬到2 月初，这段时间里白天长而且很温暖。 （3 ）Considering （the time）when these paintings were done，they are in excellent condition. 考虑到这些油画的创作时期，它们保存的状况是极好的。 （4 ）Do you remember （the time）when the three of us went on a picnic？你还记得我们三个人去野餐的那段时光吗？ A. 在定语从句中，that 在某些条件下可用来代替when ，这时其先行词通常是time，
keep用法
?keep at 1.坚持做…：继续某项工作或行为 ?keep down 1.压制，镇压：阻止…成长、完成或成功 Keep down prices; keep the revolutionaries down. 控制物价；镇压革命 ?keep off 躲开，避开 ?keep to 1.坚持，信守Keep to the original purpose.遵守原定宗旨 ?keep up 1.保持良好状态Kept up the property保存财产 2.保持；继续We asked her to stop talking, but she kept up. 我们请她别再说话了，但她依旧说下去 3.并行：按相同的水平或步伐继续下去 4.不落后，赶得上：赶上对手、同事或邻居，指在成就或生活方式上 Unsuccessfully tried to keep up with his associates.没能赶上他的同事们 ?you can't keep a good man (或woman) down (非正式)有能力的人是不会被挫折或问题吓倒 ?keep one's feet 站稳，不倒 ?keep goal (主英足)守球门 ?keep going (困难时）努力维持正常生活 ?keep open house 好客 ?keep to oneself 避开与人接触，独处 ?keep something to oneself 守口如瓶 ?keep up with the Joneses 与人攀比 ?keep wicket (板球)守板球门 ?keep someone after (美)（作为对小学生的惩罚）放学后留校
when 的用法
我手里关于when用法的资料全再这了. 一、 when 意为“当…时”,用作连词,引导时间状语从句,从句的谓语动词可以是延续的（此时相当于while）,也可以是非延续性的.引导的时间状语从句通常用现在时表将来. I will write to my sister when I have finished the book.我读完这本书后便给姐姐写信. When he sees the photo,he can't help thinking of his childhood. 每当看到这张照片,他就不禁想起童年. 二、 when 引导时间状语时,若主从句主语一致或从句主语为it且从句谓语动词含be的形式,可省略从句的主语及be 部分. When (I was) walking on the street,I came across Mary.我在街上漫步时遇上了玛丽. He gave good practical advice when (he was) asked.他有求必应,给出了好的可行性建议. She would weep when (she was) alone.她孤独时便哭. When（you are）in trouble,you can ask her for help.有麻烦时,你可找她帮忙. We will do that only when ( it is) necessary.只有当有必要时我们才会那么做. 三、 when用作连词,表突然发生某事,意为“就在这时/那时”（=at this/that time）,常构成句型be doing…when…或be about to do…/be on the point of doing…when…. I was just coming along to see you when I ran into Tom.遇见汤姆时,我正在来看你的路上. He was about to go to bed when the telephone rang.他准备睡觉时电话铃响了. 四、 When用作连词表过早发生某事,意为“还没（刚刚）…就”,可构成句型hardly/scarcely…when….使用该句型时应注意两点：①主句的谓语动词用过去完成时,从句谓语动词用过去时.②若hardly/scarcely 位于句首时,其后的句子部分倒装,而when引导的从句不倒装. I had been there little more than a week when I set to work in earnest. 我在那还不到一个星期就开始认真工作. Hardly had I opened the door when he hit me.我一打开门他就撞了我. 六、 when引导条件状语从句,意为“在…情况下；如果；要是”,相当if. Why do you walk when you have a car?你有车为什么还走路呢? No one can make a dress when they haven't learnt.没有人能够不学就能制作衣服的. 七、 when 引导时间状语从句,意为“一…就…”,相当于as soon as . We will start when everything is ready.一切准备好了我们就出发. When she comes,I will give it to her.她来了我就给她. 八、 when可引导原因状语从句,意为“既然；考虑到…”,相当于since,as 或now that. You can't go home when you haven't finished your work. 既然你没完成工作,你就不可以回家. 九、 when可引导名词性从句或接不定式. Could you tell me when you will leave for Shanghai?能告诉我你什么时候去上海吗? Ask him when to open it.告诉他什么时候打开. 十、
keep 是英语中用法灵活的动词之一
keep 是英语中用法灵活的动词之一，下面笔者就其用法归纳如下： 一、用作系动词，意为“保持（某种状态）”，其后常接形容词作表语。如： Please keep quiet / silent! 请保持安静！ After the accident, he still kept alive. 这次事故之后，他仍然活着。 二、用作实义动词，可表示： 1. 保管；保存；保留。如： Keep the change. 零钱不用找了。 Please keep these things for me while I am away. 在我离开期间，请你替我保管这些东西 2. 赡养；饲养。如： Does he earn enough to keep himself and his family? 他的收入够养活他自己和他的家人吗？ I used to keep sheep in my childhood. 我在孩提时常常养羊。 3. 经营。如：。 Her father kept a grocer's shop for a number of years. 她父亲开了几年杂货店。 4. 坚持；继续。后面如接动词，要用 V-ing 形式作宾语。如： If you keep (on) practising your spoken English, you'll soon make great progress. 如果你坚持练习英语口语，你很快就会取得很大的进步。 5. 阻止；阻碍。常用于 keep sb/sth from doing sth 结构中，其中介词 from 不能省略。如： The heavy rain didn't keep them from watching the football match. 大雨没能阻止他们观看足球赛。 6. 保持。其后常接复合宾语，表示使（某人或某物）保持某种状态或使某一动作继续。 ① keep + sb/sth + 介词。如： If your hands are cold, keep them in your pockets. 如果你觉得手冷，就把它们放在口袋里。
when的用法小结
when 用法小结 不管是在口语中，还是在书面语中，when是一个十分活跃的词，该词主要用作连词和副词，但是在意义方面其用法比较复杂。 一、作副词 1. 作疑问副词，用于构成特殊疑问句，意为“什么时候；何时”。 When will they come back？他们什么时间回来？ When can you finish the work? 你什么时间能完成这项工作？ 2. 作连接副词，引导名词性从句，或与不定式连用，意为“什么时候”。 Can you tell me when the bank opens？你能告诉我银行什么时候开门吗？ When she'll be back depends on the weather. 她何时回来取决于天气。 Have you decided when to go sightseeing？你们已经决定什么时候去郊游了吗？ 3. 作关系副词，引导定语从句。 The main school holidays are from mid-December till early February，when the days are long and warm. 学校的主要假期是从12 月中旬到2 月初，这段时间里白天长而且很温暖。 Do you remember the time when the three of us went on a holiday in Guilin？ 你还记得我们三个人在桂林度假的那段时光吗？ 二、作从属连词，引导状语从句。 1. 表示时间，意为“当……时；在……的时候”。 When you see him, please say hello to him. 见到他时，代我问他好。 When I reached the station，the train had left. 当我到达火车站时，火车已经开走了。 2. 表示条件，相当于if。 How can I get a job when I can't even read or write？
keep的详细用法
keep 1.NOT CHANGE 不改变[linking verb,连系动词, T] to(使)保持，(使)处于 keep (sb/sth) warm/safe/dry etc?We huddled around the fire to keep warm. 我们挤在火堆边取暖。 keep calm/awake/sane etc?I was struggling to keep awake. 我努力不让自己睡着。 keep sth clean/tidy?Keep your room tidy. 保持房间整洁。 keep sb busy/amused/occupied?some toys to keep the kids amused 一些供孩子消遣的玩具?You won’t be able to keep it secret for ever. 你不可能永远保密下去。 ?Peter cycles to work to keep fit. 为了保持健康，彼得骑自行车上班。 ?Don’t keep us in suspense any longer! 别再让我们心里悬着了！ keep (sb/sth) away/back/off/out etc?The police put up barriers to keep the crowds back. 警方设置了障碍物来挡住人群。?If I were you, I’d keep away from that area at night. 要是我的话，晚上就不会去那个地区。?a sign saying ‘Danger: Keep out’ 写着“危险，请勿靠近”字样的告示牌?The little boy kept close to his mother. 那个小男孩总黏着他妈妈。 keep (sb) out of sth?Keep him out of trouble. 别让他闯祸。 ?You keep out of this, Mother (= do not get involved ). It’s no concern of yours. 妈妈，这事你别掺和。不关你的事。 ?How can I cut your hair if you won’t keep still! 你老是动来动去的，叫我怎么给你剪头发！keep left/right (=stay to the left or right of a path or road as you move)靠左侧/右侧〔行走〕keep sb/sth doing sth?Jane kept the engine running. 简让引擎保持运转。 2.继续；重复keep (on) doing sth ?I keep thinking about Joe, all alone in that place. 我老是想到乔，他独自一人在那种地方。?I keep telling you, but you won’t listen! 我一再跟你说，但你就是不肯听！ ?She pretended not to hear, and kept on walking. 她假装没听见，继续往前走。 3.保留，留下，留着?You can keep it. I don’t need it any more. 你留着吧，我不需要了。 4.保留，留着 ?We decided to keep our old car instead of selling it. 我们决定留着我们的旧汽车不卖。 ?I kept his letters fo r years. 我把他的信保留了许多年。 ?In spite of everything, Robyn’s managed to keep her sense of humor. 尽管发生了这一切，萝宾还是努力保持了她的幽默感。 5.存放，储存 ?Where do you keep your teabags? 你把茶包放哪儿啦？ ?George kept a bottle of whiskey under his bed. 乔治在床底下放了一瓶威士忌。 6.监禁，关押，拘留〔尤在监狱或医院里〕 ?He was kept in prison for a week without charge. 他被关押了一个星期，但没被起诉。 7.耽搁，延误 ?He should be here by now. What’s keeping him? 他现在本该到这儿了，什么事把他耽搁了？
when的用法大全
when的用法大全 你们知道when的用法吗?我们一起来学习学习吧，下面就和大家分享，来欣赏一下吧。 曾几何时：when用法大全 Is life always this hard, or is it just when youre a kid? ——Leon 人生总是这么苦么，还是只有在小的时候? ——《这个杀手不太冷》 一、关于when，你应该知道的用法有 adv. 1.什么时候，何时，什么情况下，什么场合下at what time; on what occasion Id like to know when theyll let him out. 我想知道他们什么时候放他。
2.(用语时间的表达方式之后)在那时，其时used after an expression of time to mean at which or on which The Queens last visit was in May, when she opened the new hospital. 女王上次来访是在五月份，她那时主持了这座医院的落成典礼. 3.其时，当时，当场at which time; on which occasion conj. 1.在……时候，当……时，在……期间at or during the time that Here the local were always barbered at this hour on this day. 原来本地人老是在这一天这个时候这个地方理发。 2.在……之后after When I mingled with other families I distinctly discerned how peculiarly fortunate my lot was. 在我接触到别的一些家庭之后，我清楚地体会到自己可谓得天独厚的天之骄子。 3.在任何……时候at any time that; whenever You can save the game at any time when youre at your bunk.
when-引导的从句用法一
when 引导的从句用法一、引导时间状语从句 1. 表示"当……的时候",相当于at the moment when。例如: When we got to the cinema, the film had been on for half an hour. 当我们到达电影院时,电影已放映半小时了。She was writing a letter when I came in. 当我进来时,她在写信。 2. 表示"一……就……",相当于as soon as。例如: The students got up when the bell rang. 铃声一响,学生们就起床了。I'll ring you up when I arrive in Beijing. 我一到北京就给你打电话。 3. 表示"就在这时;当时",相当于just at the moment或just then .例如: We were about to start out when it began to rain heavily. 我们正要启程,就在这时,天下起了大雨。 He had just returned from one business trip when he was asked to make another one. 他刚刚出差回来,这时,又叫他再次出差。 4. 表示"每当;每次",相当于every time或whenever。例如: She always turns to us for help when she is in trouble.每当她遇到困难,她总是向我们求助。 It is freezing cold here when it snows. 每当这儿下雪,天气就十分寒冷。 5. 表示"当……之后;在……以后",相当于after the time that。例如: We went home when the film was over. 电影结束以后,我们回家去了。 When she got home, she started to prepare supper. 她回到家后,开始准备晚饭。 二、引导条件状语从句 when引导的条件状语从句相当于if/ in case引导的条件状语从句.例如: When there is no gravity, our feet can no longer stay on the ground. 如果没有重力,我们的脚就不能够在地面上站稳。Turn off the switch when anything goes wrong with the machine. 如果机器发生故障,就把电闸关上。 三、引导原因状语从句 when引导原因状语从句时,相当于since/now that引导的原因状语从句。例如: How can they learn anything when they spend all their spare time watching television? 他们把所有的空闲时间都用来看电视了,还能学到什么东西呢? Why do you want a new job when you have got such a good one? 既然你已经有了这么好的一份工作,为什么还要再找新的工作呢? 四、引导让步状语从句 when引导的让步状语从句相当于though或although引导的让步状语从句。例如: He usually walks when he might ride. 虽然有车可乘,但他通常是步行。 The little girl can tell right from wrong when she is only twelve. 这个小女孩虽然只有十二岁,却能分清是非。 五、引导定语从句when引导定语从句时,有时可用in which或on which来替代。例如: We'll put off the picnic until next week, when the weather may be better. 我们要把野餐推迟到下周,那时可能天气好些。 I'll never forget the day when I joined the Party. 我将永远不会忘记我入党的那一天。 六、引导名词性从句 1. 引导宾语从句。例如: Please tell us when his father will return from abroad. 请告诉我们他父亲什么时候从国外回来。 2. 引导主语从句。例如: When they will leave for Australia hasn't been decided. 他们什么时候动身去澳大利亚还没有决定。 3. 引导表语从句。例如: The question is when they will get so much money to set up the factory. 问题是他们将在什么时候弄到这么多钱来把这个工厂办起来。 when, while 和 as 引导时间状语从句的用法 这三个词的意思很简单，都有“当……时候”的意思。但学生经常会问三个词的区别在哪儿，特别是在做选择题的时候。别说是学生，就我个人而言，做这样的选择题要保证百分之百的正确也是不可能的。现根据大量的实例和个人的思考，做一点小结，供大家参考。 一、when 的用法如果只从现象来看，when 从句用的最多的是一般过去时，而主句的时态没有限制,根据具体情况而定1. When he was a child he was always trying out new ideas. 他小时候就常常试验一