PETS语法辅导:动词不定式c
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(单词翻译:双击或拖选)
举例:
  He wants to move to France and marry the girl.
  He wants to do nothing but go out.
  比较:
  He wants to do nothing but go out.
  He wants to believe anything but to take the medicine.
  典型例题
  1) —— I usually go there by train.
  ---- Why not ___ by boat for a change? 
  A. to try going  B. trying to go  C. to try and go  D. try going
  答案:D. why not 后面接不带to 的不定式,因此选D。
  2) Paul doesn’t have to be made ___. He always works1 hard.
  A. learn  B. to learn  C. learned2  D. learning3
  答案:B. make后接不带to 的动词不定式,当其用于被动时,to 不可省略。
  10、 动词不定式的否定式
  Tell him not to shut the window…
  She pretended not to see me when I passed by. 我走过的时候,她假装没看见。\
  典型例题
  1)Tell him ___ the window.
  A. to shut not  B. not to shut  C. to not shut
  D. not shut
  答案:B。 tell sb to do sth 的否定形式为tell sb not to do sth.
  2) She pretended ___ me when I passed by.
  A. not to see  B. not seeing  C. to not see
  D. having not seen
  答案:A。 pretend 后应接不定式。其否定形式为pretend not to do sth.。
  3)Mrs. Smith warned her daughter ___ after drinking.
  A. never to drive  B. to never driver
  C. never driving  D. never drive
  答案:A。warn sb to do sth. 的否定形式为warn sb not to do sth. 此处用的是否定词never.
  4) The boy wanted to ride his bicycle in the street,but his mother told him ____.
  A. not to  B. not to do  C. not do it
  D. do not to
  答案:A。not to 为not to do it 的省略形式。可以只用to这个词,而不必重复整个不定式词组。及物动词do后应有名词、代词等,否则不对,因此B,D不对。
  5) The patient was warned ___ oily food after the operation.
  A. to eat no  B. eating not  C. not to eat
  D. not eating
  答案:C。warn一词要求后用不定式,此处为不定式的被动,否定形式为be warned not to do。
  11、 不定式的特殊句型too…to…
  1)too…to  太…以至于…
  He is too excited to speak.
  他太激动了,说不出话来。
   ---- Can I help you ? 需要我帮忙吗?
   ---- Well, I’m afraid the box is too heavy for you to carry it, but thank you all the same. 不用了。这箱子太重,恐怕你搬不动。谢谢您。
  2) 如在too前有否定词,则整个句子用否定词表达肯定, too 后那个词表达一种委婉含义,意 为"不太"。
  It’s never too late to mend. (谚语)
  改过不嫌晚。
  3) 当too 前面有only, all, but时,意思是:非常… 等于very。
  I’m only too pleased to be able to help you. 我非常高兴能帮助你。
  He was but too eager to get home. 他非常想回家。
  12 、不定式的特殊句型so as to
  1) 表示目的;它的否定式是so as not to do。
  Tom kept quiet about the accident so as not to lose his job.
  汤姆对事故保持沉默是为了不丢掉他的工作。  轻点进去,别惊醒了婴儿。
  2) so kind as to ——劳驾
  Would you be so kind as to tell me the time?
  劳驾,现在几点了。
  13 、不定式的特殊句型Why not
  "Why not +动词原形"表达向某人提出建议,翻译为:"为什么不……?" "干吗不……?"
  例如:
  Why not take a holiday?
  干吗不去度假?
  14 、不定式的时态和语态
  时态\语态    主动     被动
  一般式      to do      to be done
  进行式      to be doing
  完成式      to have done   to have been done
  完成进行式    to have been doing
  1) 现在时:一般现在时表示的动词,有时与谓语动词表示的动作同时发生,有时发生在谓语动词的动作之后。
  He seems to know this.
  I hope to see you again. = I hope that I’ll see you again. 我希望再见到你。
  2) 完成时:表示的动作发生在谓语动词表示的动作之前。
  I’m sorry to have given you so much trouble.
  He seems to have caught a cold.
  3) 进行时: 表示动作正在进行,与谓语动词表示的动作同时发生。
  He seems to be eating something.
  4) 完成进行时:
  She is known to have been wreaking4 on the problem for many years.
  15、 动名词与不定式
  1) 动名词与不定式的区别:
  动名词表达的是: 状态,性质,心境,抽象,经常性,已发生的
  不定式表达的是: 目的,结果,原因,具体,一次性,将发生的
  2) 接不定式或动名词,意义相同。
  3) 动名词与不定式语义不同的有11 组:
  1 stop to do     stop doing
  2 forget to do     forget doing
  3 remember to do   remember doing
  4 regret to do     regret doing
  5 cease to do     cease doing
  6 try to do      try doing
  7 go on to do     go on doing
  8 afraid to do     afraid doing
  9 interested to do  interested doing
  10 mean to do      mean doing
  11 begin/ start to do  begin/ start doing


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1 works ieuzIh     
n.作品,著作;工厂,活动部件,机件
参考例句:
  • We expect writers to produce more and better works.我们期望作家们写出更多更好的作品。
  • The novel is regarded as one of the classic works.这篇小说被公认为是最优秀的作品之一。
2 learned m1oxn     
adj.有学问的,博学的;learn的过去式和过去分词
参考例句:
  • He went into a rage when he learned about it.他听到这事后勃然大怒。
  • In this little village,he passed for a learned man.在这个小村子里,他被视为有学问的人。
3 learning wpSzFe     
n.学问,学识,学习;动词learn的现在分词
参考例句:
  • When you are learning to ride a bicycle,you often fall off.初学骑自行车时,常会从车上掉下来。
  • Learning languages isn't just a matter of remembering words.学习语言不仅仅是记些单词的事。
4 wreaking 9daddc8eb8caf99a09225f9daa4dbd47     
诉诸(武力),施行(暴力),发(脾气)( wreak的现在分词 )
参考例句:
  • Coal mining is a messy business, often wreaking terrible environmental damage nearby. 采矿是肮脏的行业,往往会严重破坏周边环境。
  • The floods are wreaking havoc in low-lying areas. 洪水正在地势低洼地区肆虐。
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