内容正文:
原创新课堂
英语九年级上册人教版
第三课时
(Grammar Focus-4c)一单
元同步语法精讲精练
used to的用法
·概念:used to用来表示过去的习惯、动作或状态,但现在己经不发生或不存在
了,意为“过去常常”,后接动词原形。
eg:I used to go to school by bike.我过去常常骑自行车去上学。
·句型结构
①否定句:used to的否定句形式为didn't use to或usedn'ttoo
②一般疑问句:含有used to的句子变成一般疑问句时,可用“助动词Did十主语十
use to do sth.?”或“Used+主语+to do sth.?”结构。肯定回答用“Yes,sb.
did”;否定回答用“No,sb.didn't”。
③特殊疑问句:含有used to的特殊疑问句的结构为“特殊疑问词十助动词did十主语
十use to d0.?”。
④反意疑问句:used to的反意疑问句可由“did/used十主语”或“didn't/usedn't+主
语”构成,遵循“前肯后否、前否后肯”的原则,主语一般用代词。
eg:Bob used to like pop music,didn'the/usedn'the?鲍勃以前喜欢流行音乐,是吗?
·拓展相关知识
①be used to(doing)sth.“习惯于(做)某事”,在此结构中,to为介词,后接名词或动
词-ing形式。
cg:I am used to getting up early..我习惯早起。
②be used to do sth.“被用来做某事”,属于被动语态形式。
eg:A bookshelf is used to store books.书架被用来储藏书。
语法精练
一、根据句意,用括号内所给单词的适当形式填空。
1.Grandpa used to go (go)fishing on Sundays.
2.When I was young,I was used to taking (take)a walk after dinner.
3.Tom used to
live
(live)in Chongqing with his father,but now he lives in
Zhengzhou.
4.-Didn't you use to eat
(eat)sweet food?
-No,I didn't.But I get used to eating (eat)it now.
5.This kind of robot can be used to look
(look)after the patients in the hospital.
二、按要求完成下列句子。每空一词。
6.I used to get up early..(改为否定句)
I didn't
use/used
not to get up early.
7.His grandpa used to be a history teacher..(改为一般疑问句,并作肯定回答)
-Did his grandpa use to be a history teacher?
-Yes,he did.
8.y father often played the guitar when he was young.(改为同义句)
My father used to play the guitar when he was young.
9.I used to take a walk in the morning..(对画线部分提问)
What didyou
use to
den the morning?
10.你过去住在动物园附近,不是吗?(翻译句子)
You
used to liveear the zoo,didn't/usedn't
you 9
11.我们习惯于把不同的垃圾放入不同的袋子。(翻译句子)
We are used
to
putting different rubbish into different bags.
课时精练
一、根据句意及提示完成下列句子。每空一词。
1.My sister Lucy is interested in British
(英国的culture.
2.We can see two African
(Africa)lions in the zoo.
3.These behaviors(行为)are polite for
Europeans
(Europe).
4.Mr.Li was giving a speech
(speak)about writing in the hall at 3 p.m.yesterday.
5.It