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[其他] 中考英语复习资料:不定式

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  下面整理了《2019中考英语复习资料:不定式 》,供同学们参考。更多中考英语的相关内容也可关注下北京新东方的中考英语课程,相信可以帮助到大家。
  1.定义:具有名词、形容词及副词性质并具有时态、语态变化。
  2.形式:(以do为例)
  主动语态 被动语态
  一般时 to do to be done
  进行时 to be doing
  完成时 to have done to have been done
  完成进行时 to have been doing
  3.用法:
  (1)用作主语:
  To speak good English is not easy.
  or: It is not easy to speak good English.
  (采用形式主语 it 以避免头重脚轻)
  It took me an hour to do the work.
  (2)用作宾语:
  She decided to take the examination.
  I hope to meet him soon.
  (3)宾语补足语:
  They expected us to help them.
  He wants his son to study hard.
  金牌重点:
  不定式作宾补,如谓语动词是感官动词,使役性动词(see, hear, notice, watch, make, have, let...),则不定式符号“to”须省略,但在被动语态中不能省。
  I heard them sing in the classroom.
  I made her clean the room.
  The girl is heard to sing an English song.
  (4)用作表语:
  To teach is to learn.
  His job is to sell cars.
  (5)用作状语,表示目的,结果:
  We come to school to study English.(目的)
  = in order to
  I hurried to the store, only to find it closed.(结果)
  (6)定语:不定式短语作定语须位于名词之后。
  He asked for a piece of paper to write it on.
  = to write it on the piece of paper.
  The poor man has no house to live in.
  = to live in the house.
  Have you anything to do?
  = to do anything
  4.不定式的时态意义:
  She seems to dance very well.(现在情况)
  She seems to be dancing in the dancing hall.(正在进行)
  She seems to have danced well.(过去情况)
  Has was happy to have been staying with his uncle.(动作持续一段时间)
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