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2015山西省成考英语基础知识学习(七)
2014-12-26 14:08:18   来源:   评论:0 点击:
  1.部分动词可用进行时表示按计划安排将发生或进行的动作,此时动词多为表示行止往返者 (如:)。

  The Wangs are leaving for Japan this Wednesday.

  I am seeing the American film this evening.

  2.表示经常反复的行为:表示在现阶段经常反复发生的行为,常常有感情色彩,句中常用al- ways,constantly,continually,forever 等时间状语。

  You are constantly changing your minds.

  3.不能用于进行时态的动词:

  有的动词不是表示动作,而是表示状态,不能用于进行时态(但有的用于别的语义时可以),表示心理状态者:believe,know,think, understand, want, wish 等;表示感情状态者:hate, like,love, mind,prefer等;表示事物间关系者:hate, like, love, mind, prefet等;表示不自觉的五官感觉者: hear,see,smell,taste;等等。如:

  I feel (不用am feeling) our luck is about to turn.我认为我们就要时来运转了。

  (但可以说我感觉好多了)

  4. 过去进行时

  (1) 表示过去某时正在发生的动作,如:

  He was reading when I entered his office.

  What were you doing at eight PM yesterday?

  (2) 表示过去某阶段暂时性的习惯动作,如:

  He was teaching at No. 3 Middle School that year.

  We were studying at Beijing University from 1991 to 1994.

  (3) 表示过去的将来,如:

  They said they were leaving a few days later.

  (4) 表示虚拟用法:表示现在或将来臆想的或非真实的情况,多用于某些句型中,如:

  I wish my parents were staying with us.

  5. 现在完成时

  (1) 现在完成时表示:a)过去发生的动作对现在的影响。

  b)过去发生的动作或状态一直持续到现在。

  时间状语常用:for +—段时间,since +点的时间(或句子),in the past + 一段时间,如: these days,this week 等0 Great changes have taken place in China since 1978.

  The city has cut its birth—rate by almost 60% in the past 20 years.

  I have lived in the village for a long time.

  Has any of you seen him these days?

  (2) 句中有already,yetust,never,ever等状语时,谓语常用现在完成时。

  —Do you know what the book is about?

  一 No,I haven’t read it yet.

  They have already finished the building.

  She has just arrived here.

  (3) 短暂件动词不用于带有延续性时间的现在完成时。

  误:His grandfather has died for 8 years.

  更多资讯,请关注山西省成人高等教育网http://sxckz.com

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