内容正文:
原创新课堂
英语九年级全一册人教版
Section A(Grammar Focus一4c语法专讲
重点呈现
必记单词
1.欧洲(人)的ad.欧洲人n.
European
2.非洲(人)的a.非洲人n.African
3.英国(人)的ad.British
4.讲话;发言n.speech
5.民众n.公开的;公众的ad
public
重点短语
1.做演讲
make a speech
2.公开的in public
3.害怕be afraid of
4.恐怖电影
scary movies
典型句式
1.—他过去很矮,对吗?
—是的。
—He
used to be
short,didn't/usedn't he?
-Yes,he didused to
核心语法
used to do的用法
难点探究
used to do sth.的用法
used to do sth.意为“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。
eg:He used to go to school at six o'clock.他过去常常六,点钟去上学。
1.used to do sth.的否定形式:
主语+usedn't to do sth.;主语+didn't use to do sth.(usedn't=used not)
eg:He usedn't to play computer games all day.
=He didn't use to play computer games all day.他过去不常整天玩电脑游戏。
2.used to do的一般疑问句形式及其答语:
①-Used+主语+todo..?-Yes,sb.used to.No,sb.usedn'tto.
eg:一Used Tom to watch TV?汤姆过去常常看电视吗?
一Yes,he used to.No,he usedn'tto.是的,他常看。/不,他不常看。
②一Did+主语+use to do..?-Yes,sb.did.No,sb.didn't.
eg:一Did you use to do homework after school?你过去经常放学后做作业吗?
一Yes,Idid.No,I didn't.是的,我经常。/不,我不常(做作业)。
3.sed to do的反意疑问句形式也有两种,类似于否定句形式。
eg:一They used to watch movies on Sunday,usedn't they/didn't they'?他们过去常
常在星期天看电影,对吗?
一Yes,they used to../No,they usedn'tto.(=Yes,they did../No,they didn't,)是的,
他们经常。不,他们不常(看电影)。
4.used to也可用于there be结构,表示“过去常有”。
eg: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。