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w88优德中文手机版习英w88优德中文手机版之不定式作主w88优德中文手机版内容汇总分享

相关不定式作主w88优德中文手机版都有哪些內容呢?快向下跟立刻说我一起来w88优德中文手机版习培训一下吧!

  To 动词原形

  Not to do

  表述:具备形容词的性质,作宾w88优德中文手机版,状w88优德中文手机版/具备专有名词的性质,作主w88优德中文手机版/具备修饰词性质,作定w88优德中文手机版/具备介词的性质,作状w88优德中文手机版。除宾w88优德中文手机版不能作以外,别的都可以。

  一般式:to do

  完成时:to be doing

  过去进行时:to have done

  完成进行时:to have been doing

  to do:表明动作发生在宾w88优德中文手机版以后,I want to go home.与谓w88优德中文手机版动词基本上另外发生

  to be doing :表明与谓w88优德中文手机版动词另外发生

  to have done:发生在谓w88优德中文手机版动词以前 Someone was considered to have done something.

  to have been doing :动作从以往逐渐一直不断到谓w88优德中文手机版动词这一动作的发生

  (1)动词不定式作主w88优德中文手机版时,谓w88优德中文手机版动词经常用奇数。比如:

  To do morning exercises is useful for our health. 出操有益于大家的身心健康。

  To sweep the floor is my duty every day. 每日清扫木地板是我的责任。

  (2)假如动词不定式过长,经常用it作方式主w88优德中文手机版,而将真实的主w88优德中文手机版——动词不定式后置摄像头。比如:

  It took me half an hour to walk there.我走到那里花了三十分钟的時间。

  It's important for us to learn English well.对大家而言,w88优德中文手机版会英w88优德中文手机版是关键的。

  下边分类五种句式:

  ①It be 专有名词 to do

  It's our duty to take good care of the old.

  ②It takes sb some time to do

  How long did it take you to finish the work?

  ③It be 修饰词 for sb to do

  It is difficult for us to finish writing the composition in a quarter of an hour.

  ④It be 修饰词 of sb to do

  It is stupid of you to write down everything (that) the teacher says.

  ⑤It seems(appears) 修饰词 to do

  It seemed impossible to save money.

  留意:

  在句式③中,常见表明客观条件的修饰词,如:difficult,easy,hard,important,impossible,necessary 等;在句式④中,常见careless,clever,good,foolish,honest,kind,lazy,nice,right,silly,stupid,wise等 表明称赞或指责的词。在不定式前的sb,可当作其逻辑性主w88优德中文手机版。这一句式有时候等同于Sb is 修饰词 to do句型。

  如:

  It's kind of you to help me with my English.=You are kind to helpme with my English.

  一定要先个人收藏起來再然后w88优德中文手机版哦~