Be动词和助动词的用法区别

1、be动词的用法。

be am / is are 现在时

was were 过去时

单数复数

英语中，be动词选用单数还是复数，要由主语来定，主语是单数，就用单数，反之用复数。

◆句中含有be动词时：

肯定句：主语＋be ＋其他

否定句：主语＋ be ＋ not ＋其他

一般疑问句： Be ＋主语＋其他＋？

特殊疑问句：疑问词（what / who / when / where）＋ be ＋主语＋其他＋？

I am a teacher. You are right.

She is 16 years old. My father is at home.

The students are playing games. My teacher was ill yesterday.

There is a picture on the wall.

There are two books on the table.

★ be动词用法歌：

我用am，你用are，is 连接他她它。单数名词用is，复数名词全用are。

变疑问，往前提，句末问号莫丢弃；变否定，更容易，be后not莫忘记；

疑问否定任你变，句首大写莫迟疑。

★ be动词作谓语，它后面一般跟名词、形容词或介词短语。

2、助动词的用法。

英语句子按正常语序是“什么人或事物” + “做什么”，即，我们常说的“主语 + 谓语 + 其他”。①主语为I 或复数名词、代词时：

肯定句： I / We / They / The students ＋动词原形＋其他＋。

We watch TV every night.

变否定：主语＋don’t ＋动词原形＋其他＋。

We don’t watch TV every night.

一般疑问句 Do + 主语 + 动词原形 + 其他 + ？

Do you watch TV every night?

Yes, we do. / No, we don’t.

特殊疑问句：疑问词 + do + 主语 + 动词原形 + 其他 + ？

How often do you watch TV?

②主语为单数名词或代词时：

肯定句：主语 + 动词第三人称单数形式 + 其他 + 。

He watches TV every night.

否定句：主语+ doesn’t+动词原形+其他+。

He doesn’t watch TV every night.

一般疑问句：Does + 主语 + 动词原形 + 其他 + ？

Does he watch TV every night?

Yes, he does. / No, he doesn’t.

特殊疑问句：疑问词 + does + 主语 + 动词原形 + 其他 + ？

How often does he watch TV?

③过去时的句式（当句子时态为过去时时，动词用过去式，不受主语单复数的影响）肯定句：主语 + 过去式 + 其他 + 。

He / We got up early every morning last year.

否定句：主语+ didn’t + 动词原形 + 其他 + 。

He / We didn’t get up early every morning last year.

一般疑问句： Did + 主语 + 动词原形 + 其他 + ？

Did he / you get up early every morning last year?

Yes, he / we did. / No, he / we didn’t.

特殊疑问句：疑问词 + did + 主语 + 动词原形 + 其他 + ?

When did he / you get up every morning last year?

完整word版Be动词助动词练习题

小学英语Be动词、助动词、人称代词主宾格练习 一、选择括号里的词的恰当形式填空。 1、There _________(be)some water in the glass. 2、_______(be)Tom ___________(read) a book now? 3、Please pass_____(we) the ball. 4、When _________ (do) your father usually _________ (go) to work? 5、How old __________ (be)you last year? 6、Which dog ________ (be) yours? /Ten and two ________ (be) twelve. 7、Where ________(be) your friends yesterday? 8、I will give the presents to________(they). 9、Lily is taller than (I)./ Put the desk between (he) and (I). 二、选择填空： 1、My brother ____ a teacher. He ____ his pupils very much. A. is, like B. is, likes C. are, likes D. are, like 2、_____ you go to school by bus? A. Are B. Is C. Do D. Does 3、When _____ your birthday? D. does C. do B. is A. are 4、Which ____ bigger, the sun or the moon? A. are B. is C. be D. / 5、What ______ they _____ on Saturdays?

be动词与助动词的用法

be动词与助动词的用法 1.陈述句:be动词第一人称用am,第二人称用are,第三人称单数用is复数用are. 助动词do一般省略,直接用动词,注意动词时态和人称变化.有时在动词前加do,表示强调,加强语气.如:Do be quiet! 2.疑问句:be动词直接提前,其他部分不变(由陈述句转变).助动词do同样,由省略直接提前放置,后面动词不变,注意do的时态和人称变化. 3.否定句:be动词和助动词do后面加not. be作助动词用的形式如下： ①am, is, are, was, were ②助动词+be：shall be, will be, can be, etc. ③have/has/had + been（完成时） ④am, is, …being（进行时） （1）表达进行时态 句型be + V-ing…（进行时态） 例：What are you reading? （你正在阅读什么？） I am reading a magazine. （我正在阅读杂志。） 例：He will be taking a walk in the park at this time tomorrow morning. （明天早晨此时他将会正在公园散步。） 例：She has been teaching English in our school for years. （她已在我们学校教英语许多年了。） 解说第一例句是表达现在进行时，第二例句是将来进行时，第三例句是现在完成进行时。（2）表达被动语态 句型be +p.p. …（被动语态） 例：English is spoken in both Canada and the United States. （加拿大和美国都讲英语。）

be动词、助动词、情态动词讲解(基础篇)第一讲

be 动词、助动词、情态动词讲解（基础篇） 1、 用单数，反之用复数。 ◆ 句中含有be动词时： 肯定句：主语＋be ＋其他 否定句：主语＋be ＋not ＋其他 一般疑问句：Be ＋主语＋其他＋？ 特殊疑问句：疑问词(what / who / when / where)＋be ＋主语＋其 他＋？ I am a teacher. You are right. She is 16 years old. My father is at home. The students are playing games. My teacher was ill yesterday. There is a picture on the wall. There are two books on the table. ★ be 动词用法歌： 我用am，你用are，is 连接他她它。单数名词用is，复数名词全用are。 变疑问，往前提，句末问号莫丢弃；变否定，更容易，be 后not 莫忘记； 疑问否定任你变，句首大写莫迟疑。 ★ be 动词作谓语，它后面一般跟名词、形容词或介词短语。她个子很高。 她在教室里。她是一个高个子的女孩。 2、助动词的用法。 英语句子按正常语序是“什么人或事物” + “做什么”，即，我们常说的“主语+ 谓语+ 其他” 。 ①主语为I 或复数名词、代词时：肯定句：I / We / They / The students

＋动词原形＋其他＋。 We watch TV every night. 变否定：主语＋don't ＋动词原形＋其他＋。 We don't watch TV every night. 一般疑问句Do + 主语+ 动词原形+ 其他+ ？ Do you watch TV every night? Yes, we do. / No, we don 't. 特殊疑问句：疑问词+ do + 主语+ 动词原形+ 其他+ ？ How often do you watch TV? ②主语为单数名词或代词时：肯定句：主语+ 动词第三人称单数形式 + 其他+ 。 He watches TV every night. 否定句：主语+ doesn't+动词原形+其他+。 He doesn't watch TV every night. 一般疑问句：Does + 主语+ 动词原形+ 其他+ ？ Does he watch TV every night? Yes, he does. / No, he doesn 't. 特殊疑问句：疑问词+ does + 主语+ 动词原形+ 其他+ ？ How often does he watch TV? ★主语为单数或不可数名词，谓语要用单数第三人称，反过来，看见动词用了单数第三人称，可以推知主语是单数或不可数名词。 ( )1. How __ ______ your dad help at home? A. do B. does C. is ( )2. ______ goes bad easily in summer. A. Milk B Apples C. Cakes ③过去时的句式（当句子时态为过去时时，动词用过去式，不受主语单复数的影响） 肯定句：主语+ 过去式+ 其他+ 。 He / We got up early every morning last year. 否定句：主语+ didn't + 动词原形+ 其他+ 。 He / We didn't get up early every morning last year. 一般疑问句：Did + 主语+ 动词原形+ 其他+ ？ Did he / you get up early every morning last year? Yes, he

Be动词和助动词用法辨析

Be动词和助动词用法区别其实be动词也是助动词（auxiliary verbs）。 英语动词大致可分为三种：助动词（auxiliary verbs），情态动词（modal verbs），实意动词（full verbs）。 助动词（auxiliary verbs）：do，be，have。没有实意，“帮助”别的动词，表示时态，否定和提问。情态动词（modal verbs）：can，must，may。也是“帮助”别的动词，但是有自己的实意。实意动词（full verbs）：play，run，think。其他有实意的动词。 be动词可用作助动词（auxiliary verbs）：1，be+Ving：所有的进行时态，如：2，be+过去分词：被动式。 be动词也可用做实意动词（full verbs）：be[bi]v.有；在；是。 你这样想，一个句子里要有动词吧。再看看它们的名字，“be 动词”和“助动词”， 先说“be动词”，（1）这名字里有动词，说明他是动词，句子里有他就不会有别的动词（除非这些动词以别的形式出现，这是后话）了，（2）“am,is,are,was,were”叫be动词，是因为他们是be的不同形式 再说“助动词”，（1）一定要注意“助”，是帮助的意思，说明他不是动词，只是起到了辅助的作用，所以，他们就一定要与动词同时出现。[记住啊，他们离不开动词，但是动词没有他们也是可以的]

（2）did,do,does只是do的不同形式，根据你所需要的时态来选择（1）用于肯定句，否定句和疑问句 am：第一人称单数（即只与I连用），用于现在时（一般现在，现在进行，只要那时态中是现在的就行）eg:①I am a girl.一般现在时②I am eating an apple.现在进行时 ③I am going to do my homework.[be going to表将来，将来中只有这一种] is：第三人称单数，用于现在时（一般现在，现在进行，只要那时态中是现在的就行）(it就不举例了)eg:①She/He is a girl/boy.一般现在时②He/She is eating an apple.现在进行时③He/She is going to do his homework.[be going to表将来，将来中只有这一种] are：第二人称单数，所有人称复数，用于现在时（一般现在，现在进行，只要那时态中是现在的就行）eg:①You are a girl. We/You(你们)/They are girls.一般现在时②You are eating an apple.We/You(你们)/They are eating apples.现在进行时③We/You(你们)/They are going to do our/your/their homework.[be going to表将来，将来中只有这一种] was：第一人称单数，第三人称单数，用于过去时（一般过去，

be动词、助动词、情态动词讲解(基础篇)第一讲

be动词、助动词、情态动词讲解 (基础篇) 1、be动词的用法。 英语中，be动词选用单数还是复数，要由主语来定，主语是单数，就用单数，反之用复数。 ◆ 句中含有be动词时： 肯定句：主语＋be ＋其他 否定句：主语＋ be ＋ not ＋其他 一般疑问句： Be ＋主语＋其他＋？ 特殊疑问句：疑问词（what / who / when / where）＋ be ＋主语＋其他＋？ I am a teacher. You are right. She is 16 years old. My father is at home. The students are playing games. My teacher was ill yesterday. There is a picture on the wall.

There are two books on the table. ★ be动词用法歌： 我用am，你用are，is 连接他她它。单数名词用is，复数名词全用are。 变疑问，往前提，句末问号莫丢弃；变否定，更容易，be后not莫忘记； 疑问否定任你变，句首大写莫迟疑。 ★ be动词作谓语，它后面一般跟名词、形容词或介词短语。 她个子很高。她在教室里。 她是一个高个子的女孩。 2、助动词的用法。 英语句子按正常语序是“什么人或事物” + “做什么”，即，我们常说的“主语 + 谓语 + 其他”。 ① 主语为I 或复数名词、代词时： 肯定句： I / We / They / The students ＋动词原形＋其他 ＋。 We watch TV every night. 变否定：主语＋don’t ＋动词原形＋其他＋。

be动词,情态动词,助动词do

be动词，情态动词，助动词do/does的用法区别及练习 1.由连系am，is，are构成的句子：变一般疑问句时把am，is，are提到句子的前面，句尾用问号即可。变否定句时直接在am，is，are后面加not即可。例如： 肯定句:He is a student. 一般疑问句: Is he a student? 否定句: He is not a student. 画线提问:对he提问: Who is a student? 对a student提问: What is he? or What does he do? 2.由情态动词can, may, should等构成的句子:变一般疑问句时把can,may,提到句子的前面,句尾用问号即可.变否定句时直接在can,may,后面加not即可.例如: 肯定句: She can swim. 一般疑问句: Can she swim? 否定句: She can not swim. 画线提问:对she提问: Who can swim? 对swim提问: What can she do? 3.由行为动词构成的句子:需要加助词do或does.变一般疑问句时把do/does放在句子前面.变否定句时把don’t/doesn’t放在动词的前面。要注意观察动词的形式并对号入座。一般疑问句和否定句的动词三单式都要变回原型。 play-----do plays-----does 例如: 肯定句: They play football after school. He plays football after school. 一般疑问句: Do they play football after school? Does he play football after school? 否定句: They don't (do not) play football after school.He doesn’t’play football after school. 画线提问:对they/he提问: Who plays football after school? 对play football提问: What do they do after school?What does he do after school?对after school提问: When do they play football?When does he play football? 针对性练习 按要求改写句子： 1.I know the answer.(一般疑问句) ______ ______ __________the answer? 2.We can see some birds.(一般疑问句) ______ ______ see ______ birds? 3.He designs clothes.(一般疑问句) ______ he ________ clothes? 4.There are some flowers on the teachers’ desk.(一般疑问句) ______ ______ ______ flowers on the teachers’ desk? 5.There are some apples on the tree.(否定句)

be动词-情态动词及助动词用法

七年级英语双休日作业 班级：姓名：等级 英语句型变化总结练习 1、含有be动词am，is，are构成的句子： 变一般疑问句时把am，is，are提到句子的前面，句尾用问号即可。 变否定句时直接在am，is，are后面加not即可。例如： 肯定句:He is a student. 一般疑问句: a student? 否定句: He a student. 肯定句：We are from China. 一般疑问句: from China? 否定句：We from China 2. 由情态动词can, may, should等构成的句子: 变一般疑问句时把can, may,提到句子的前面,句尾用问号即可. 变否定句时直接在can, may,后面加not即可. 例如: 肯定句: She can swim. 一般疑问句:she swim? 否定句: She swim. 3. 由行为动词构成的句子: 需要加助词do或does. 变一般疑问句时把do/does放在句子前面. 变否定句时在主语后面加don’t / doesn’t , 谓语用动词原形。例如: 肯定句: They play football after school. 一般疑问句: play football after school? 否定句: They football after school. 肯定句：Tom watches TV every day. 一般疑问句: Tom TV every day? 否定句: Tom TV every day.

注意：变否定句时相关词的改变 肯定句变否定句时，除将谓语变为否定式外，句中其他词语也可能随之改变： 如将some改为any，too和also改为either，and改为or等：There are some birds in the tree. 树上有些鸟。 →There aren’t ______ birds in the tree. 树上没有鸟。 He likes the book, too. 他也喜欢这本书。 →He doesn’t like the book, ______. 他也不喜欢这本书。He likes singing and dancing. 他喜欢唱歌和跳舞。 →He doe sn’t like singing ______dancing. 他不喜欢唱歌也 不喜欢跳舞。补充练习： 根据句后括号内的要求，填入句中所缺的词： 1. I know the answer. (一般疑问句) ______ ______ know the answer? 2. We can see some birds. (一般疑问句) ______ ______ see ______ birds? 3. There is a computer in the house. (一般疑问句) ______ ______ a computer in the house? 4. There are some flowers on the teachers’ desk. (一般疑问句) ______ ______ any flowers on the teachers’ desk? 5. There are some apples on the tree. (否定式) There ______ ______ ______ apples on the tree. 6. I think he is old. (否定句) I ______ think he ______ old.

be动词,一般动词和助动词

be动词、一般动词和助动词 一、be动词、一般动词的现在式 （1）be动词的现在式—am/are/is a.是（表状态） We are happy.—我们很高兴 b.在（表存在） She is in America.—她在美国 含be动词（am/are/is）的肯定句变成否定句时，在be动词后加not即可。 肯定句：主语+am/are/is… 否定句：主语+am/are/is+not… He is a good baseball player. 他是一个好棒球员 （否定句）He is not a good baseball player. = He’s not a good baseball player. = He isn’t a good baseball player. 含be动词（am/are/is）的肯定句变成疑问句时，将be动词拿到主语前，句尾加？即可。肯定句：主语+am/are/is… 疑问句：Am/Are/Is+主语…？ 1.That is his camera. 那是他的相机 （疑问句）Is that his camera?

2.The girl is a junior high school student. 那女孩是初中生 （疑问句）Is the girl a junior high school student? 动词开头的疑问句为一般疑问句，可用yes或no回答，而答句中的主语 （问句）Am/Are/Is+主语…？ （答句）Yes,主语+am/are/is No,主语+am/are/is not 1.Is that man your math teacher? Yes, he is./No,he is not. 2.Are you eating your lunch? Yes, I am./No, I’m not. （2）一般动词的现在式 凡是日常生活中具体的动作，如：eat-吃饭，walk-走路及抽象的动作如：like-喜欢，think-思考…皆为一般动词 a.大部分动词加s works/plays b.一般动词词尾为o/s/sh/ch时。加es go-goes/wash-washes/watch-watches c.一般动词词尾为字音+y时，去y加ies cry-cries/study-studies have和has has为have（有，吃）的单数形式 They have a lot of money.

人教版七年级上册英语语法知识——助动词do和be动词的用法及区别(无答案)

人教版七年级上册英语语法知识——助动词do和be动词的用法及区别(无答案） 助动词do与be动词的用法及区别 【知识精讲】 I．复习BE动词 1、be动词的用法。 be am / is are 现在时 was were 过去时 单数复数 英语中，be动词选用单数还是复数，要由主语来定，主语是单数，就用单数， 反之用复数。 ◆句中含有be动词时： 肯定句：主语＋be ＋其他 否定句：主语＋be ＋not ＋其他 一般疑问句：Be ＋主语＋其他＋？ 特殊疑问句：疑问词（what / who / when / where）＋be ＋主语＋其他＋？ I am a teacher. You are right. She is 16 years old. My father is at home. The students are playing games. My teacher was ill yesterday. There is a picture on the wall. There are two books on the table. ★ be动词用法歌： 我用am，你用are，is 连接他她它。单数名词用is，复数名词全用are。 变疑问，往前提，句末问号莫丢弃；变否定，更容易，be后not莫忘记； 疑问否定任你变，句首大写莫迟疑。 ★ be动词作谓语，它后面一般跟名词、形容词或介词短语。 II 助动词的用法。 1.助动词：帮助一个句子构成否定句、疑问句，不充当任何成分和任何意义。 2.初一年级的助动词一般是do/does. 3.英语句子按正常语序是“什么人或事物” + “做什么”，即，我们常说的“主语+

Be动词和助动词的用法区别

1、be动词的用法。 be am / is are 现在时 was were 过去时 单数复数 英语中，be动词选用单数还是复数，要由主语来定，主语是单数，就用单数，反之用复数。 ◆句中含有be动词时： 肯定句：主语＋be ＋其他 否定句：主语＋ be ＋ not ＋其他 一般疑问句： Be ＋主语＋其他＋？ 特殊疑问句：疑问词（what / who / when / where）＋ be ＋主语＋其他＋？ I am a teacher. You are right. She is 16 years old. My father is at home. The students are playing games. My teacher was ill yesterday. There is a picture on the wall. There are two books on the table. ★ be动词用法歌： 我用am，你用are，is 连接他她它。单数名词用is，复数名词全用are。 变疑问，往前提，句末问号莫丢弃；变否定，更容易，be后not莫忘记； 疑问否定任你变，句首大写莫迟疑。 ★ be动词作谓语，它后面一般跟名词、形容词或介词短语。 2、助动词的用法。 英语句子按正常语序是“什么人或事物” + “做什么”，即，我们常说的“主语 + 谓语 + 其他”。 ①主语为I 或复数名词、代词时： 肯定句： I / We / They / The students ＋动词原形＋其他＋。 We watch TV every night. 变否定：主语＋don’t ＋动词原形＋其他＋。 We don’t watch TV every night. 一般疑问句 Do + 主语 + 动词原形 + 其他 + ？ Do you watch TV every night? Yes, we do. / No, we don’t. 特殊疑问句：疑问词 + do + 主语 + 动词原形 + 其他 + ？ How often do you watch TV? ②主语为单数名词或代词时： 肯定句：主语 + 动词第三人称单数形式 + 其他 + 。 He watches TV every night. 否定句：主语+ doesn’t+动词原形+其他+。

be动词和助动词句式

1.be动词（am/is/are） 主语be动词（原形）be动词（过去式） I am was He/she/it is was We/you/they are were 口诀：我用am, 你用are，is用在他她它，所有复数全用are ①肯定和否定句 I am (not) from London. He is(not) a teacher. She is(not) in the dining room. My hair is(not) long. Her eyes are(not) small. ②一般疑问句 Am I a Chinese?——Yes, you are. /No, you aren’t. Is the cat fat? ——Yes, it is. /No, it isn’t. Are they American?——Yes, they are. /No, they aren’t. 表示疑问，一般回答只有两种可能Yes或No，句中没有疑问词。 如何将一个肯定的陈述句改为否定句： 1、看句中有无be动词，如有，把be动词提到句首即可。 2、看句中有无情态动词，如有，把情态动词提到句首即可。 3、如上述二者都没有，就应把助动提到句首。分四个步骤： （1）肯定陈述句中本来是没有助动词的，要加上去，位置在主语（某人/某物）后，动词前。 （2）确定助动词用do、does还是did，根据句中动词，动词是原形的助动词就用do，动词是第三人称单数的助动词就用does，动词用过去式的助动词就有did。

（3）把助动词后提到句首。 （4）原句中动词假如发生变化就要恢复成原形。 有some的要考虑是否要用any 2.助动词（do/does/did） 主语助动词（原形）助动词（过去式）否定形式I/We/you/they do did don’t/didn’t He/she/it does did doesn’t/didn’t ①.Do+非第三人称单数＋动词原形…? do/don't you/they have...?—Yes, I do/No, I don’t. ②.Does+第三人称单数＋动词原形…? does/doesn't he/she have...?—Yes, he does./No, he doesn’t. ③Did+所有主格＋动词原形…? did/didn't you/he/she/they go to school?—Yes, i did./No, I didn’t. 3.特殊疑问句 表示疑问，有疑问词开头，回答有很多种可能。常用疑问词：What、Who、When、Which、Why、Whose、How ※What do you/they/we…+动词原形？I/They/We+动词原形… What does he/she/it…He/She/It +(动词＋S)…. What did you/they/we/ he/she/it…I/They/We/ He/She/It +动词过去式Eg:What did you do last weekend? I cleaned my room. Who cleaned my room? Your mother cleaned your room. When do you go to school? I go to school at 7 o’clock. Which one is your book? The red one is my book. Why do you like this book? Because it is funny.

助动词do doesdid 和be动词am is are用法的区别

助动词do \ does \ did 和be动词am \ is \ are 用法的区别 助动词do \ does \ did do是原形，用于一般现在时态中的第一二人称和第三人称的复数（I,you,we,they）； does是do的第三人称单数形式，用于一般现在时态的第三人称单数（he,she,it，姓名）；did是do的过去式，用于一般过去时态的任何人称（I,you,he,she,it,we,they）。 不管怎样，跟在这三个词后面的动词都必须为动词原形。 do \ does \ did+ V.（动词原形） 例如： Do you like meat\ bananas\fish\apples? No,I don`t. Does he like apples? No,he doesn`t. He does like apples. like就是原形 Where did he go yesterday? 他昨天哪儿了？ Did you study English? 你们学过英语吗？ 系动词（be动词）am \ is \ are be是系动词,又称be动词,包括am、is、are三个。 am用于第一人称单数；(I) 第三人称单数用is；(he\she\it) 其他人称全部都用are。(we \they\ you\ 、、、) was （am \ is 的过去式） wasn’t were（are 的过去式） weren’t 练习题： ______she like drinking? ________they play football? ______she beautiful? ________your dog walk in the zoo? ______she come from China? He ________ like pears. ______she from China? _______ your cats eat fish? ______ he watch TV at night? _______ you go to school everyday? ______ we have a good teacher? I ________ have a watch. ______you a student? , .（否定回答） There ______ many boats on the lake. Children ______ happy yesterday. Amy ______ hungry yesterday. ______ they young then? ______ he tall then? , .（否定回答） ______ it sunny? , .（否定回答） ______ it windy yesterday ______ Beijing? , .（否定回答）______ she ______ ______ zoo then? , .（否定回答）

小学be动词的用法及助动词_do

苏打水1. 由连系am，is，are构成的句子：变一般疑问句时把am，is，are提到句子的前面，句尾用问号即可。变否定句时直接在am，is，are后面加not即可。例如： 肯定句:He is a student. 一般疑问句: Is he a student? 否定句: He is not a student. 反问句: He is a student, isn't he? He isn't a student, is he? 画线提问: 对he提问: Who is a student? 对a student 提问: What is he? or What does he do? 2. 由情态动词can, may, should等构成的句子: 变一般疑问句时把can,may,提到句子的前面,句尾用问号即可.变否定句时直接在can,may,后面加not即可. 例如: 肯定句: She can swim. 一般疑问句: Can she swim? 否定句: She can not swim. 反问句: She can swim, can't she? She can not swim, can she? 画线提问: 对she提问: Who can swim? 对swim提问: What can she do? 3. 由行为动词构成的句子: 需要加助词do或does. 变一般疑问句时把do/does放在句子前面. 例如: 肯定句: They play football after school. 一般疑问句: Do they play football after school? 否定句: They don't (do not) play football after school. 反问句: They play football after school, don't they? They don't play football after school, do they? 画线提问: 对they提问: Who play football after school?

英语中be动词用法和助动词---do

英语中be动词用法和助动词---do 1. 由连系am，is，are构成的句子：变一般疑问句时把am，is，are提到句子的前面，句尾用问号即可。变否定句时直接在am，is，are后面加not即可。例如： 肯定句:He is a student. 一般疑问句: Is he a student? 否定句: He is not a student. 反问句: He is a student, isn't he? He isn't a student, is he? 画线提问: 对he提问: Who is a student? 对a student 提问: What is he? or What does he do? 2. 由情态动词can, may, should等构成的句子: 变一般疑问句时把can,may,提到句子的前面,句尾用问号即可.变否定句时直接在can,may,后面加not即可. 例如: 肯定句: She can swim. 一般疑问句: Can she swim? 否定句: She can not swim. 反问句: She can swim, can't she? She can not swim, can she? 画线提问: 对she提问: Who can swim? 对swim提问: What can she do? 3. 由行为动词构成的句子: 需要加助词do或does. 变一般疑问句时把do/does放在句子前面. 例如: 肯定句: They play football after school. 一般疑问句: Do they play football after school? 否定句: They don't (do not) play football after school. 反问句: They play football after school, don't they?

小学BE动词的用法及助动词

1. 由连系am，is，are构成的句子：变一般疑问句时把am，is，are提到句子的前面，句尾用问号即可。变否定句时直接在am，is，are后面加not即可。例如： 肯定句:He is a student. 一般疑问句: Is he a student? 否定句: He is not a student. 反问句: He is a student, isn't he? He isn't a student, is he? 画线提问: 对he提问: Who is a student? 对a student 提问: What is he? or What does he do? 2. 由情态动词can, may, should等构成的句子: 变一般疑问句时把can,may,提到句子的前面,句尾用问号即可.变否定句时直接在can,may,后面加not即可. 例如: 肯定句: She can swim. 一般疑问句: Can she swim? 否定句: She can not swim. 反问句: She can swim, can't she? She can not swim, can she? 画线提问: 对she提问: Who can swim? 对swim提问: What can she do? 3. 由行为动词构成的句子: 需要加助词do或does. 变一般疑问句时把do/does放在句子前面. 例如: 肯定句: They play football after school. 一般疑问句: Do they play football after school? 否定句: They don't (do not) play football after school. 反问句: They play football after school, don't they? They don't play football after school, do they? 画线提问: 对they提问: Who play football after school?

be动词及助动词的一般疑问句专题

济宁七中初一英语培优学案（2） 一般疑问句专题 （命题人：刘金凤赵琦审核人：王之箬） 班级：___________姓名：___________ ※知识点： 概念：一般疑问句是针对一种事物或情况是否属实而提出疑问的句子，回答时一般用yes 或no开头作简略回答。其结构为：Be动词/助动词/情态动词+主语+其他成分？ 读时通常用升调（↗）. ★含 (1)构成：Be（Am/Is/Are）+主语+其他成分?如：Are you Alice?/Is this a map ? /Are those your parents? (2)其肯定及否定回答为:Yes,主语+be./No,主语+be not. （3）含有be(am，is，are)动词的陈述句变为一般疑问句时，要:?Be动词提前?首字母大写?句末加问号？④注意有无人称转换：第一人称（I，my...）→第二人称(you,your...) 例如：This is my ruler.(改为一般疑问句并作肯定及否定回答) _____________________________________________________? Yes,__________ _________./No,___________ ____________. (1)构成 :助动词Do/Does +主语+实义动词原形+其他成分?如：Do you have a soccer ball?/Does your brother have a computer ? /Do they love ping-pong? (2)其肯定及否定回答为:Yes,主语+do/does./No,主语+don’t/doesn’t.

Be动词和助动词用法辨析

Be动词和助动词用法区别 其实 be 动词也是助动词( auxiliary verbs )。 英语动词大致可分为三种：助动词( auxiliary verbs )，情态动词( modal verbs )，实意动词( full verbs )。 助动词(auxiliary verbs): do, be, have。没有实意，“帮助” 别的动词，表示时态，否定和提问。情态动词( modal verbs )：can, must, may。也是“帮助”别的动词，但是有自己的实意。实 意动词( full verbs )：play , run , think 。其他有实意的动词。 be动词可用作助动词(auxiliary verbs): 1， be+Ving：所有的进行时态，如：2，be+过去分词：被动式。 be 动词也可用做实意动词( full verbs)： be [bi]v. 有；在；是。 你这样想,一个句子里要有动词吧。再看看它们的名字, “be 动词”和“助动词”, 先说“ be 动词”,( 1 )这名字里有动词,说明他是动词,句子里有他就不会有别的动词(除非这些动词以别的形式出现,这是后话) 了，(2) am,is,are,was,were ”叫be动词，是因为他们是 be的不同形式再说“助动词”,(1)一定要注意“助”,是帮助的意思,说明他不是动词,只是起到了辅助的作用,所以,他们就一定要与动词同时出现。 [ 记住啊,他们离不开动词,但是动词没有他们也是可以的] （2） did,do,does 只是 do 的不同形式，根据你所需要的时态来选择

（ 1）用于肯定句，否定句和疑问句 am第一人称单数（即只与I连用），用于现在时（一般现在，现在进行，只要那时态中是现在的就行）eg:①I am a girl. 一般现在时② I am eating an apple. 现在进行时 ③ I am going to do my homework.[be going to 表将来，将来中只有这一种 ] is ：第三人称单数，用于现在时（一般现在，现在进行，只要那 时态中是现在的就行）（it 就不举例了）eg: ①She/He is a girl/boy. 一般现在时②He/She is eating an apple. 现在进行时③He/She is going to do his homework.[be going to 表将来，将来中只有这一种 ] are ：第二人称单数，所有人称复数，用于现在时（一般现在，现在进行，只要那时态中是现在的就行）eg: ① You are a girl. We/You（你们）/They are girls. 一般现在时② You are eating an apple.We/You( 你们 )/They are eating apples. 现在进行时③ We/You( 你们 )/They are going to do our/your/their homework.[be going to 表将来，将来中只有这一种 ] was：第一人称单数，第三人称单数，用于过去时（一般过去，