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1、,一般过去时 VS 现在完成时,青岛53中 赵依萍,I have already cleaned the blackboard.,(黑板现在已经干净了),I cleaned the blackboard yesterday.,(黑板现在不一定是干净的),一般过去时只强调动作发生在过去，与现在没有任何联系。现在完成时则是强调过去发生的动作对现在造成的影响或结果。,一般过去时：yesterday,last week,ago,in1980,just now,in the past现在完成时：already,yet,ever,never,just,before,twice(表次数)，recently，
2、(ever)since,for+时间段,Key words,锁定关键词 快速做题,1.I _(join)the book club last month and I _(read)five books already.2.-_ he _(plant)the apple trees?-No,he hasnt.-When _ he _(plant)them?-Tomorrow,I think.He _ now _(mend)his car.3.-_ you ever _(drive)a car?-Yes,I have.-When _ you first _(drive)a car?-Five ye
3、ars ago.4.-Tom,_ you _(finish)the fiction yet?Yes.I _(finish)the fiction just now.5._ you _(visit)the Palace museum before?,joined,have read,Has,planted,will,plant,is,mending,Have,driven,did,drive,have,finished,finished,Have,visited,Challenge,1.I wont go to see the film because I _my ticket.lost B.h
4、ave lost,分析：我把电影票弄丢了所以不能去看电影了，对现在造成了影响，所以用现在完成时。,2.Sorry,Peter.I _ I was in the way.A.didnt realize B.havent realized,分析：不好意思，Peter.我刚才没有意识到我挡路了，只是刚才没有意识到。如果选B的话，那就意味着现在仍然没有意识到，根据语境是错误的，所以选didnt realize.,Summary,一般过去时只强调动作发生在过去，与现在没有任何联系。,现在完成时则是强调过去发生的动作对现在造成的影响。,yesterday,last week,ago,in1980,just now,in the past,already,yet,ever,never,just,before,twice(表次数)，recently，since,for+时间段,Thank you,
