1、单元语法小专题(Grammar Focus)语法精讲used to do sth.的用法小结1.used to do sth.表示“过去常常做某事，将过去和现在比照，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 oclock.他过去常常六点去上学。2.used to do sth.的否认形式主语usednt to do sth.或主语didnt use to do sth. 如:He used to play computer games all day.他过去常常整天玩游戏。He usednt to play compu
2、ter games all day.He didnt use to play computer games all day.他过去不常整天地玩游戏。注意:usedntused not3.used to do的疑问句形式及其答语(1)Used主语to do？答复:Yes， to./No，sb.usednt to.如:Tom used to watch TV.Used Tom to watch TVYes，he used to./No，he usednt to.(2)Did主语use to do？答复:Yes，sb. did./No，sb. didnt.如:I used to do homewor
3、k after school.Did you use to do homework after schoolYes，I did./No，I didnt.4.used to do的反意疑问句形式也有两种，类似于否认句形式。如:They used to see English movies on Sundays，usednt they？/didnt theyYes，they used to./No，they usednt to.或Yes，they did./No，they didnt.5.used to也可用于there be结构，表示“过去常有。如:There used to be a meet
4、ing 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.用括号内所给单词的适当形式填空。1. My little brother used _(play) ping-pong.2. Im used to _(get) up early.3. Wood is used _(make) de
5、sks，chairs，tables and so on.4. _ you _(use) to be short5. Today，computers _(use)in both cities and towns.根据汉语提示完成以下句子，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
6、 _ _ _ _(已习惯于)eating with chopsticks.按要求完成以下句子，每空一词。11. My brother used to play football after school.(改为一般疑问句并作否认答复)_ your brother _ _ _ football after schoolNo，he _.12. Tom used to be a quiet boy.(改为否认句)Tom _ _ _ _ a quiet boy.13. There used to be an old hospital behind our school，_ _？(完成反意疑问句)14.
7、 I used to see my aunt once a month.(对画线局部提问)_ _ _ you _ _ see your aunt15. 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？ 单元语法小专题(Grammar Focus).1.to play3.to make；use5.are used.6.used to be7.used to be9.is used to make/is used for making10.has been/got used to；use to play；didnt12.didnt use to be13.didnt/usednt there14.How often did；use to；use to