一般过去时VS现在完成时

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,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,，,(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 years 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. have 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,现在完成时,用法,关键词,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,