used to的用法小结

used to的用法小结

1．used to do sth.表示“过去常常做某事”，将过去和现在对比，暗示现在不做了。to为动词不定式符号，后接动词原形。如：

He used to go to school at six o'clock.他过去常常六点去上学。

2．used to do sth.的否定形式

主语＋usedn't to do sth.或主语＋didn't use to do sth.如：

He used to play computer games all day.他过去常常整天玩电脑游戏。

→He usedn't to play computer games all day.

＝He didn't use to play computer games all day.他过去不常整天地玩电脑游戏。

【注意】usedn't＝used not

3．used to do的疑问句形式及其答语

(1)Used＋主语＋to do…？

回答：Yes，ed to./No，edn't to.如：

Tom used to watch TV.→Used Tom to watch TV?

Yes，he used to./No，he usedn't to.

(2)Did＋主语＋use to do…？

回答：Yes，sb.did./No，sb.didn't.如：

I used to do homework after school.→Did you use to do homework after school?

Yes，I did./No，I didn't.

4．used to do的反意疑问句形式也有两种，类似于否定句形式。如：

—They used to see English movies on Sundays，usedn't they？/didn't they?

—Yes，they used to./No，they usedn't to.或Yes，they did./No，they didn't.

5．used to也可用于there be结构，表示“过去常有”。如：

There used to be a meeting every Monday morning last month.上个月每个星期一上午总要开会。

6．get/be used to (doing) sth.习惯于(做)某事；use sth.to do sth.用……做某事；be used to do sth.被用来做某事；be used for (doing) sth.被用来做某事；be used by 被……所用。

语法精练

Ⅰ.用括号内所给单词的适当形式填空。

1．My little brother used (play) ping－pong.

2．I'm used to (get) up early.

3．Wood is used (make)desks，chairs，tables and so on.

4.you (use) to be short?

5．Today，computers (use)in both cities and towns.

Ⅱ.根据汉语提示完成句子，每空一词。

6．He (以前是) a history teacher in our school.

7．There (以前有) an old temple near the village.

8．She (习惯于散步) after supper.

9．Wood (被用来制造) paper.

10．Mrs.Black (已习惯于) eating with chopsticks.

Ⅲ.按要求完成下列句子，每空一词。

11．My brother used to play football after school.(改为一般疑问句并作否定回答)

—your brother football after school?

—No，he ．

12．Tom used to be a quiet boy.(改为否定句)

Tom a quiet boy.

13．There used to be an old hospital behind our school.(完成反意疑问句)

There used to be an old hospital behind our school，

14．I used to see my aunt once__a__month．(对画线部分提问)

you use to see your aunt?

15．Mary used to stand at the window and wave goodbye.(改为一般疑问句) Mary stand at the window and wave goodbye？