Unit 10 I've had this bike for three years.现在完成时与一般过去时的区别（课件）(共有PPT17张）

(共17张PPT)
现在完成时与一般过去时的区别
I visited Tailand in 2016.
I studied English in the classroom.
I climbed the mountian with my classmates.
I ate dinner with my foreign friends.
I went to the elephant camp and played with them.
I went to Tailand again in 2019.
I visited the Grand Palace in Bankok.
I took the subway with my friend.
I swam in the pool.
I walked in the Phae Gate.
I have been to Thailand twice.
目录
时间轴上的区别
壹
贰
叁
具体用法上区别
时间状语的区别
研究思路与方法
The research ideas and methods
时间轴上的区别
壹
现在完成时
现在
过去
将来
一般过去时
He cut his hair yesterday.
He has cut his hair.
具体用法上区别
贰
I got married.
I have got married.
32%
He opened the door.
He has opened the door.
I saw the movie.
I have seen the movie.
一般过去时表示过去发生的某一个动作，与现在无关；现在完成时表示过去发生的动作对现在有影响。
I did my homework last night.
I have done my homework for three hours.
I learned English ten years ago.
I have learned English for ten years.
现在完成时还表示动作从过去延续到现在，可能还要持续下去。
1.现在完成时表示过去发生的动作对现在有影响。
2.现在完成时还表示动作从过去延续到现在，可能还要持续下去。
一般过去时表示过去发生的某一个动作，与现在无关。
时间状语的区别
叁
遇到yesterday, last year, in+月份, in+过去某一年， two days ago, just now等就用一般过去时（表示过去的时间）。
当有already, yet, just, ever, never, so far, before, in+一段时间， since+时间点/for+时间段等常用现在完成时（不能与确定的的时间）。
一般过去时常用时间状语
现在完成时常用时间状语
I' ve already / just / never finished my homework. (已经/ 刚刚/没)
I haven' t found my book yet. ( 已经，用于否定句)
Have you found your book yet (已经，用于疑问句)
Have you ever been to America (曾经)
I' ve done my homework since 3 hours ago / since 7 p.m. (自从+时间点)
I've done my homework for 3 hours.(持续+时间段)
现在完成时常用时间状语
Thank you!