中考复习考点之动词不定式

1、中考复习考点之动词不定式考点之动词不定式非谓语形式；结构：to + V 1，作主语It is + adj +for/of +N +to + v. it 是形式主语，不定式是真正的主语。for 与事物有关的形容词possible impossible important necessary different hard easy uselessof 与人有关的赞美或批评的形容词nice kind wise good polite right clever bad wrong cruel foolish impolite Its impossible for him to give up smok

2、ing.Its foolish of him to make such a mistake.2, 作宾语a, SVhow/where/when + Owhat/which/whom + to + vi/vtWe dont know what to dob,t know what I should say.c,S + + adj/N +find make thinkI make it a rule to get up early.I find it hard to ride a bike.=I find (that)it is hard to ride a bike.3, 做定语不定式作定语要后

3、置当不定式中的动词为不及物动词时要加上适当的介词I have no pen to write with.They have no house to live in.Give him a seat to sit on.4, 做表语此类词有job work duty dream wishMy dream is to be a doctor.His job is to water the flowers every day.5, 省略to 的不定式a,感官动词see /watch/ hear /feel +V被动语态：I saw him swim yesterday.She was seen to

4、enter this room last night.b, 使役动词have make let + V被动语态：be had/made + to +VHe made the boy cry.+ 宾语+p.p 某事让别人去做make + 宾语+ understood 让别人理解I had my bike mended.He can make himself understood.c, 惯用语had better(not) + Vwould rather + V + than + VYou had better not go there.I would rather die than do it.

5、6, 动词+ to + V和V.ing 的区别a，stop doing/to dostop to do停止，中断做某事后去做另一件事。stop doing停止做某事。They stop to smoke a cigarette.他们停下来，抽了根烟。I must stop smoking.我必须戒烟了。b，forget doing/to doforget to do忘记要去做某事。(未做)forget doing忘记做过某事。(已做)The light in the office is stil on. He forgot to turn it off.办公室的灯还在亮着，它忘记关了。(没有做

6、关灯的动作)He forgot turning the light off. 他忘记他已经关了灯了。( 已做过关灯的动作)Dont forget to come tomorrow. 别忘了明天来。(to come动作未做) c，remember doing/to doremember to do 记得去做某事(未做)remember doing记得做过某事(已做)Remember to go to the post office after school. 记着放学后去趟邮局。Dont you remember seeing the man before?你不记得以前见过那个人吗?d，regr

7、et doing/to doregret to do对要做的事遗憾。(未做)regret doing对做过的事遗憾、后悔。(已做)I regret to have to do this, but I have no choice.我很遗憾必须这样去做，我实在没有办法。I dont regret telling her what I thought.我不为告诉她我的想法而后悔。e，感官动词+ doing/to do感官动词see, watch, hear, feel+ do表示动作的完整性，真实性；+doing 表示动作的连续性，进行性I saw him work in the garden yesterday.昨天我看见他在花园里干活了。(强调我看见了这个事实)I saw him working in the garden yesterday昨天我见他正在花园里干活（强调我见他