动词不定式学案
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动词不定式:
一、基本结构:___________________ 否定:_________________
二、不定式做宾语
I can`t afford ___________a car.(buy) 我买不起汽车。
Remember ______________the lette.(post) 记得把信寄了。
I want _______________something.(eat) 我想吃东西。
总结:不定式作宾语时,放在__________________之后。
常用的动词不定式作宾语的动词有:
afford, agree, ask, decide, promise___________________________________________________
你可以找到更多的这样的动词吗?
拓展:
(一)不定式不仅用作动词的宾语,还可以作个别介词的宾语,如but、except.
1. I had no choice____________to wait. 除了等,我别无选择。
2. It had no effect _____________to make him angry.除了惹他生气以外,没产生任何效果。
(二)翻译
我感到学会日语不容易。
I find ____________________________________________.
他们发现不可能把一切按时准备好。
They found_____________________________________________________.
“主谓+不定式宾语+宾补”时,用_____代替不定式,句型变为___________________________.
“疑问词+不定式 ”作宾语
I don`t know______________________next.我不知道下一步该做什么。
I asked ___________________________the problem.我问如何解决这一问题。
He forgot__________________________such a book.他忘了去哪儿买这样一本书。
三、不定式与V-ing形式作宾语的区别
A: The light in the office is still on.
B: Oh, I forgot ______________.
A.turning it off B. turn it off C. to turn it off D. having tunrned it off
总结:有些动词(短语)即可接动词-ing形式,又能接不定式作宾语。
但意义不一样,这类词有remember、forget等,
当它们后接不定式时表示动作_______完成,
接动词-ing形式时表示动作________完成。
1、我记得我已经做完作业了。
______________________________________________
2、我记得我要做作业。
_______________________________________________
remember to do__________________
remember doing__________________
根据remember,可以归纳出forget也有相似的规律。
forget to do______________________
forget doing______________________
I forgot ________________a notebook.我忘记买笔记本了.
I forgot_________________a notebook. 我忘记我已经买了笔记本了.
拓展stop to do_________________
stop doing_________________
try to do___________________
try doing___________________
go on to do__________________
go on doing__________________
四.不定式与V-ing形式作主语的区别
_______________is my favourite.(swim) 我喜欢游泳。
________________is difficult.=It is difficult ________.(swim)游泳很难。(复习:it作为________,代替__________________提前。)
总结:________做主语时,表示习惯性的,抽象的事情,是一种经验或已知的事情。
________做主语时,表示一次性的、具体的事情,是一种未完成或表目的事情。
练习:
1、______________is very interesting.学习英语很有趣。
2、_______,one needs much practice.
A. To learn swimming well B. To learn to swim well
C. Swimming to be learned well D. Learning swimming well
中考演练场
1.--My parents always tell me____others late at night.
--They`re right. It`s not polite.(2008.湖北中考)
A.call B.not call C. to call D.not to call
2.—Will you please show me ________Skype to talk to others?
---Sure ,it`s quite easy.(2008.石家庄)
A. how can I use B. what can I use C. what to use D. how to use
3. Alice pretented _______me when I passed by.
A. to not see B. not seeing C. not to see D. having not seen
4. Mr Brown asked us to stop _____,an we stopped _____to him at once.
A. talking ;to listen B. to talk ; to listen C. talking; listening D.to talk; listening
5. I try________the door,but she doesn`t agree.
A. to close B. closed C. closing D. picked
6. ___________now seems impossible .
A. Saving money B. To save money C. Being saved money D. To be saved money
作业:1、完成讲义剩下的题目,巩固本节课所学内容
2、预习不定式作定语的讲义,下节课小测。