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人教新目标九年级Unit 2 语法透视
use to 表示过去经常的习惯，但现在不再这样了，常译为“过去常常”，to是动词不定式符号，后接动词原形。

Li Ming used to do his homework on Sundays, but now he often does his homework on Saturdays. 李明过去经常星期天做作业，但是现在他经常星期六做作业。

I used to get up at half past six in the morning, but now I usually get up at seven. 我过去常常六点半起床，但是现在我通常七点钟起床。

1.其否定句为didn’t use to do或used not to do，used not可缩写为usedn’t。

Mr Li didn’t use to drink beer.
=Mr Li usedn’t to drink beer. 李先生不常喝啤酒。

ed to 的疑问句形式是“Did…use to do?”或“Used…to do”。

Did she use to get up early?
=Used he to get up early? 她过去经常早起吗？
ed to 的反意疑问句也用助动词did(n’t)或used(n’t)构成。

Maris used to be late for school, didn’t/usedn’t he?马里奥以前上学经常迟到，对不对？
典例题解
〖例1〗He used to_______ in the sun, but now he is used to ______ at night.
A. read, read
B. reading, read
C. read, reading
D. reading, reading
〖解析〗C。

本题考查used to do sth和be used to doing sth。

前者表示“过去常常做某事”，后者意为“习惯于做某事”。

由but now可知前一句说的是过去的情况，后一空说的是现在的情况。

〖例2〗I used to go outside on weekends. (改为否定句)
I____ ____ to go outside on weekends.
〖解析〗didn’t use/used not。

本题考查used to do的否定结构。

其否定句为didn’t use to do 或used not to do。

〖例3〗Mrs Green used to have long curly hair. (改为一般疑问句)
____ Mrs Green ____ to have long curly hair?
〖解析〗Did, use。

本题考查used to do的一般疑问句结构。

此句也可写成Used Mrs Green to have long curly hair?
语法精练
I. 用used to do, be used to do, be used to doing和括号内动词的正确形式填空。

1.You _____ (go) to work by bike, did you?
2.Wood can ____(make) clothes.
3.I think you will _____(live) in the countryside.
4.There ____(be) a quiet village.
5.They ____(read) Chinese for half an hour every morning.
6.My uncle ____ (work) in that factory before he left this city.
7.A colour TV set like that ____(cost) about 5,000 yuan.
8.We ____ (come) on foot, but we don’t do that now.
9.He ____(play) soccer when he was young.
10.This kind of knife ____(cut) things.
II. 用used to和括号内动词的正确形式补全对话。

Susan: Lily, you (1)_____(be) afraid of the dogs, didn’t you?
Lily: Yes, I did. But now I’m afraid of snakes.
Susan: What (2)_____ your mother (2)_____(be) afraid of?
Lily: She used to be afraid of dogs.
Susan: How about you aunt?
Lily: She (3)_____(be) afraid of going out at night.
Susan: (4)_____ your uncle (4)_____(be) afraid of going out at night?
Lily: No, he didn’t. He (5)_____(go) out at night because he often goes to work at night. What about you, Susan?
Susan: I used to be afraid of my mother, but now my teacher.
III.根据汉语提示，完成下列句子。

1.竹子用来造纸。

____________________________________
2.他过去经常是在六点以前就去上班了。

____________________________________
3.她过去通常一天只做一次饭。

____________________________________
4.他的女儿不习惯吃美国的饭菜。

____________________________________
5.我习惯步行，因为我没有汽车。

____________________________________
6.她习惯早上跑步。

____________________________________
参考答案
I.1.didn’t used to go 2.be used to make 3.be used to living ed to be 5.are used to reading
ed to work
ed to cost
ed to come
ed to play 10.is used to cut
ed to be 2.did, use to be ed to be 4.Did, use to be 5.is used to going
III.1.Bamboo is used to make paper.
2.He used to go to work before six in the morning.
3.She used to cook a meal only once a day.
4. His daughter is not used to American food.
5.I am used to walking because I don’t have a car.
6.She is used to running in the morning.。