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2020中考英语现在完成时与一般过去时的区别

文章来源: 点击:时间:2020年06月03日

  现在完成时与一般过去时的区别

  1.共同点:

  现在完成时和一般过去时都表示一个在过去完成的动作。

  2.区别:

  ①现在完成时强调的是与现在的关系,如对现在产生的结果或影响等,属于现在时范围,谈论的是现在的情况。而一般过去时只表示动作在过去某一时刻发生,不表示和现在的关系,现在情况可能已发生变化。

  Who opened the door? (“谁开的门?”只强调过去开门这一动作,门现在可能已关上。)

  Who has opened the door? (“谁把门开了?”强调门现在依然还开着。)

  ②现在完成时不能与明确的过去时间状语连用,如:three days ago, last year, yesterday, last Sunday, in2008等等。如句中有以上这些明确的过去时间状语,应用一般过去时。再有,过去发生的一个动作,如现在情况已经发生的变化,也应用一般过去时。

  ☆特别提醒:如果这些过去时间状语前有since,表示“自过去某一时间一直延续到现在”,应用现在完成时。

  He finished reading the book the day before yesterday.

  I put my ruler in my pencil-box, but I can’t find it now.

  My cousin has been in Nanjing since 2009.

  ③现在完成时不与when引导的特殊疑问句连用,when后只用一般过去时表示已发生的动作。但现在完成时可与where, why等疑问词连用。如:Where have you been? (你去过哪里了?)

  --The train has left.

  --When did the train leave?

  ④since引导的时间状语从句后面用一般过去时,只有前面的主句才用现在完成时。

  We have known each other since we came to the school two years ago.

  ⑤有些时间状语,如this morning, this month, tonight等,既可以与一般过去时连用,又可以与现在完成时连用,但内涵不同。与一般过去时连用时,表示与“现在”无关,时间已成为过去。而与现在完成时连用,则表示包括“现在”在内。

  I saw him this morning. (时间已不在上午了。)

  I have seen him this morning. (说话时间还是上午。)

  He lived in New York for eight years. (他现在已经不在纽约住了。)

  He has lived in New York for eight years. (他现在还在纽约居住。)

  同步练习

  动词填空:

  1. I ______(see)Tom last Friday.

  2. _____you _____(go)to the Great Wall last summer?

  3.--Where _____you _____(put) my pen?

  --I ______(put) it in my pencil-box, but it’s nowhere to be found.

  4.When ______you______(start) to live in China?

  5.--The train______ (leave) already.

  --When ______ the train ______(leave)?

  6.It is five years since I ______(meet) you last.

  7.Where _____ you_____(be) for the last two weeks?

  8.I _____ (lose)my pen in the bedroom. I have to write with a pencil.

  单项选择:

  ( ) 1. --Where ____ the recorder? I can’t see it anywhere.

  -- I _____ it right here. But now it’s gone!

  A.did you put; have put

  B. have you put;put

  C. had you put; was putting