in,on与at在表示时间名词前的用法

in,on与at在表示时间名词前的用法

介词in,on与at都可用于表示时间的名词前，但用法各不相同，其区别在于：

一、用in的场合

（1）表示“在某年/月/季节”这个含义时，须用介词in。例如：

She came to this city in 1980.他于1980年来到这个城市。

It often rains here in summer.夏天这里常常下雨。

（2）表示“从现在起一段时间以后”时，须用介词in。例如：

They will go to see you in a week.他们将在一周后去看望你。

I will be back in a month.我将在一个月后回来。

（3）表示“在某世纪”时，须用介词in.例如:

This machine was invented in the eighteenth century.这台机器是在18世纪发明的.

Great changes took place in the twentieth century.20世纪发生了巨大变化.

（4）表示“在某年代或特定世纪某年代”时，须用介词in。例如：

This incident happened in the 1970's.该事件发生在20世纪70年代。

The Anti-Japanese War broke out in the 1930's.抗日战争爆发于20世纪30年代。

除此之外，morning / evening / afternoon 三个词也常跟介词in连用。例如：

Don't watch TV too much in the evening.晚上看电视不要太多。

They sometimes play games in the afternoon.他们有时在下午做游戏。

二、用on的场合

（1）表示“在具体的某一天”或“（在具体的某一天的）早上、中午、晚上”等，须用介词on。例如：

Jack was born on May 10th,1982.杰克生于1982年5月10日。

They left on a rainy morning.他们是在一个雨天的早上离开的。

He went back to America on a summer afternoon.他于一个夏天的下午返回了美国。

（2）表示“在星期几”或“在星期几的早上、中午、晚上”等，须用介词on。例如：We don't go to school on Saturday and Sunday.我们星期六和星期天不上学。

What time do you get up on weekdays?你在平日什么时候起床？

I heard this story on Saturday morning.我是在星期六的早晨听到这个故事的。

（3）表示“在某一节日”时，须用介词on。例如：

We usually eat mooncakes on Mid-autumn Festival.我们通常在中秋节吃月饼。

Mr Hu received a card on Teachers'Day.胡老师在教师节那天收到了一张卡片。

注意：当morning,evening,afternoon被of短语修饰，习惯上用in,而不用on.例如：in the early morning of September 10th 在9月10的清晨；in the late afternoon of September 12th 在9月12日的傍晚。

三、用at的场合

（1）表示“某一具体时刻（即几点几分时）”，须用介词at。例如：

He gets up at six o'clock every day .他每天六点起床。

I got home at five thirty yesterday afternoon.我昨天下午五点半到家。

（2）用在特定的时候（时节、时机）时，须用介词at。例如：

They were happy at that time.他们那时很幸福。

I think the shop is clcsed at this time lf day.我认为商店在白天的这个时候关门了。

（3）表示“在中午、在夜晚、在周末”时，须用介词at。例如：

What do you often do at noon?你中午经常做些什么？

You can see many stars in the sky at night.夜晚你能看到天空中有许多星星。

（4）表示“在……岁”时，须用介词at。例如：

At the age of nine ,the boy could swim well.在九岁的时候，这孩子就游泳游得很好了。

At the age of twenty,I began to teach English at this school.在二十岁的时候，我就开始在这所学校教英语了。

注意：在含有next ,last,this,one ,any, each, every , some, all的词组和tomorrow,yesterday, the day after tomorrow, the day before yesterday 前不用任何介词。例如：

What did you do last summer holidays?去年暑假你做了些什么？

What are you going to do the day after tomorrow?后天你打算做什么？

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The meeting was held at [in] the hotel. 会议在宾馆举行。 ③at与in的另一个区别是：at多用于指较小的地方，而in多用于指较大的地方：in Shanghai 在上海at the station 在车站 ④介词on 用于地点，主要指在某物的表面： What’s on the table? 桌上有什么? There’s a wallet lying on the ground. 地上有个钱包。 【注】在少数搭配中，也用介词on： He works on a farm. 他在农场工作。 3. 在某些搭配中，三者的区别与英国英语和美国英语有关： in the street (英) / on the street (美) 在街上 in the road (英) / on the road (美) 在路上 in the team (英) / on the team (美) 在这个队 at the weekend (英) / on the weekend (美) 在周末 at weekends (英) / on weekends (美) 在周末 4. 有时三者的差别与搭配习惯和用法有关： in bed / on the bed 在床上 in the tree (多指树外之物) / on the tree (多指树本身之物) 在树上

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Inonat用法与练习

I n o n a t用法与练习 集团标准化办公室：[VV986T-J682P28-JP266L8-68PNN]

In.1.表示时间：泛指一般意义上的上午、下午、晚上，以及月、季节、年 等较长的时间如： inthemorning,intheafternoon,intheevening.(在一天的上、下午，晚上) inspring,insummer,inautumn,inwinter.(在春天、夏天、秋天、冬天) in2011,inMay.(在2011年，在五月) 2.表示空间范围。“在……里面”，相对于“在…...外面”而言如：inthebox,inthehouse.(在盒子里，在房子里) 3.表示地理方位。如： IliveinBeijing.（我住在北京） In1999,IlivedinChina.(在1999年，我住在中国) On.1.表示特定的星期几如： onMonday,onTuesday,onWednesday.(在星期一，星期二，星期三) 2.表示具体的日期，某年某月某日，或某月某日如： onthefifthofMay,2002.(在2002年的五月15)， onthefirstofMay.(在五月一日) 3.表示空间范围。主要指在物体表面，或“在……上面”，相对于“在……下面”而言如： onthetable,ontheground.(在桌子上，在地上) At.1.表示具体时间，时间的某一点，某一时刻，或具体年龄如： a ts ix o’clock.（在六点钟），atnoon(在中午) attheageofsix.(在六岁) 2.表示某一点位置如： atschool,athome(在学校，在家) 3.与名词所有格连用表示地点如： atmysister’s(在我姐姐那里)，atthedoctor’s(在医务室) 4.在表示位置的时候，in与a t的区别： in 多用于较大的地方，如国家、地区、城市等 a t 多用于相对较小的地方，如某地方的学校、车站等 inShanghai,atthestation. 历年真题 wentothecountry＿averycoldmorning. lies ___ theeastofAsiaand＿thenorthof Australia.

It的用法专题训练20题

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【思路点拨】B 此题考查强调句，所以用that 4.(MET 2000上海单项填空) It was how the young man had learned five foreign languages______ attracted the audience’s interest. A. so that B. that C. what D. in which 【思路点拨】B 此题考查强调句，所以用that 1. Was it during the Second World War_____ he died? A .that B .while C. in which D .then (88) 2. Is ____ necessary to complete the design before National Day? A. this B .that C. it D .he (89) 3. I don't think ____ possible to master a foreign language without much memory work. A .this B. that C .its D .it (91) 4 .Does ______ matter if he can't finish the job on time? A. this B .that C .he D it (91) 5 .It was not _____ she took off her glasses _____ I realized she was a famous film star. A .when , that B .until , that C .until , then D. when , then (92) 6.I was disappointed with the film . I had expected ______ to be much better. A. that B. this C. one D .it (93)

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at 表示某个具体时刻。 at eight o’clock 在8点钟 at this time of the year 在一年中的这个时候 at the moment 在那一时刻 at that time 在那时 注意：在英语中，如果时间名词前用this, last, next 等修饰时，像这样的表示，“在某时”的时间短语前，并不需要任何介词。 例如：last month, last week, this year, this week, next year, the next day, the next year 等。 1．What’s the weather like in spring/summer/autumn/winter in your country? 你们国家春天/夏天/秋天/冬天的天气怎么样？ in 在年、月、周较长时间内 in a week 在里面 in the room 用某种语言 in English 穿着 in red on 某日、某日的上下午on Sunday afternoon 在……上面 on the desk 靠吃……为生live on rice 关于 a book on Physics 〔误〕We got to the top of the mountain in daybreak. 〔正〕We got to the top of the mountain at day break. 〔析〕at用于具体时刻之前，如：sunrise, midday, noon, sunset, midnight, night。〔误〕Don't sleep at daytime 〔正〕Don't sleep in daytime. 〔析〕in 要用于较长的一段时间之内，如：in the morning / afternoon, 或in the week / month / year. 或in spring / supper /autumn / winter等等。 〔误〕We visited the old man in Sunday afternoon. 〔正〕We visited the old man on Sunday afternoon. 〔析〕in the morning, in the afternoon 如果在这两个短语中加入任何修饰词其前面的介

介词in,on,at及其练习附答案(解析版)

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高中英语It的用法专项练习题一 1. Was it during the Second World War_____ he died? A.that B.while C.in which D.then 2. Is ____ necessary to complete the design before National Day? A.this B.that C.it D.he 3. I don't think ____ possible to master a foreign language without much memory work. A.this B.that C.its D.it 4. Does ______ matter if he can't finish the job on time? A.this B.that C.he D.it 5. It was not _____ she took off her glasses _____ I realized she was a famous film star. A.when, that B.until, that C.until, that D.when, then 6. I was disappointed with the film. I had expected ______ to be much better. A.that B.this C.one D.it 7. It was not until 1920 ______ regular radio broadcasts began. A.while B.which C.that D.since 8. ______is a fact that English is being accepted as an international language. A.There B.This C.That D.It 9. It was only when I reread this poems recently _____ I began to appreciate their beauty. A.until B.that C.then D.so