英语中时间名词前介词的用法

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介词,英语,用法,名词,时间
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时间名词前介词的用法

一、用in的场合

1)表示在某年//季节这个含义时,须用介词in。例如: in 1980.

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. 3)表示在某世纪时,须用介词in. 例如:This machine was invented in the eighteenth century. 4)表示在早上、下午、晚上须用介词in. 例如: in the morning / evening / afternoon 二、用on的场合

1)表示在具体的某一天(在具体的某一天的)早上、中午、晚上等,须用介词on 例如:on May 10th,1982on a rainy morning on a summer afternoon. 练习:

This festival is a cheerful occasion, for ____this day, the dead are said to return to their homes and they are welcomed by the living

这是个欢乐的日子,据说这一天,死者回家而活着的人欢迎他们

Mother's Day is ______the second Sunday of MayIt’s a day to thank mothers On that day mothers usually get flowers and cards from their children

2)表示在星期几在星期几的早上、中午、晚上等,须用介词on 例如:on Saturday on Saturday morning, on weekdays在平时/周日 3)表示在某一节日时,须用介词on

例如:on Mid-autumn Festival, on Teachers' Day.

注意:当morning,evening,afternoonof短语修饰,习惯上用in,而不用on.例如:

in the early morning of September 10th 910的清晨;in the late afternoon of September 12th 912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:at six 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。

3)表示在中午、在夜晚、在午夜、在周末(也可用on时,须用介词at 例如: at midnight, at/on weekends

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……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。 四、用by的场合

by+时间名词。意为:时(已发生某事),此时谓语多用完成时;最晚、不迟于,在之前如:by now/then/this time/next Friday/the end of/three o`clock等。 By the end of last year,another new gymnasium had been completed.

到去年年底,又有一座新体育馆峻工了。

The train leaves at 6:00 pm.So I have to be at the station by 5:40 pm at the latest. 火车下午六点开,所以最晚我得五点四十赶到车站。

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时间名词前不用介词的情况

1. today, tomorrow, yesterday, the day before yesterday, 等表示时间概念的名词前一般不用介词。:

1) What are you going to do tomorrow? 2) We have had six lessons today.

3) We had a good time the day before yesterday.

2.this, that ,these, those 等用于表示时间概念的名词前,前面往往不加介词。例如: 1) That morning he got up very early. 2) What are you busy with these days?

3.next, last, the next, the last 等用于表示时间概念的名词前时,前面不用介词修饰。例如: 1) We planted many trees last spring.

2) She said she would pay a trip to Suzhou the next month. 3) The very next time I saw her, she was working in London.

4.each, any, every, some, all 等用于表示时间概念的名词前,一般不用介词来修饰。例如: 1) The buses go every 10 minutes. 2) Jack coughed all night.

3) We have to get up very early every/each day.

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