初中英语知识点ud-to的用法小结

2023年12月24日发(作者：面如什么)

ud to的用法小结

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

2．ud to do sth.的否定形式

主语＋udn't to do sth.或主语＋didn't u to do sth.如：

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

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

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

【注意】udn't＝ud not

3．ud to do的疑问句形式及其答语

(1)Ud＋主语＋to do…？

回答：Yes， to./No，'t to.如：

Tom ud to watch TV.→Ud Tom to watch TV?

Yes，he ud to./No，he udn't to.

(2)Did＋主语＋u to do…？

回答：Yes，./No，'t.如：

I ud to do homework after school.→Did you u to do homework after school?

Yes，I did./No，I didn't.

4．ud to do的反意疑问句形式也有两种，类似于否定句形式。如：

—They ud to e English movies on Sundays，udn't they？/didn't they?

—Yes，they ud to./No，they udn't to.或Yes，they did./No，they didn't.

5．ud to也可用于there be结构，表示“过去常有”。如：

There ud 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 ud to (doing) sth.习惯于(做)某事；u do sth.用……做某事；be ud to do sth.被用来做某事；be ud for (doing) sth.被用来做某事；be ud 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 ud (play) ping－pong.

2．I'm ud to (get) up early.

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

4. you (u) to be short?

5．Today，computers (u)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． (已习惯于) eating with

chopsticks.

Ⅲ.按要求完成下列句子，每空一词。

11．My brother ud 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 ud to be a quiet boy.(改为否定句)

Tom a quiet boy.

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

There ud to be an old hospital behind our school，

14．I ud to e my aunt once__a__month．(对画线部分提问)

you u to e your aunt?

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

Mary stand at the window and wave goodbye？

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