内容正文:
现在完成时与一般过去时
现在完成时与一般过去时的区别
structure
结构
usage
用法
time expressions
时间状语
1
Structure(结构)
1. I saw this film yesterday.
一般过去时: did
2. I have seen this film.
现在完成时:have/has done
saw
have seen
past future
now
一般过去时 表示纯粹发生在过去的动作或状态,着眼在过去
现在完成时 表示事情发生在过去,并持续到现在,有可能继续
持续下去,或者强调对现在的影响,所以着眼在现在
2
Usage (用法)
一般现在时
现在完成时
For example
I began to learn English five years ago.
五年前开始学
past now
I have learnt English since five years ago.
五年前开始学,并延续至今(还在学)
For example
I ate my breakfast this morning
今早吃了
past now
I have just eaten my lunch.
刚刚吃了,并强调对现在的影响(不饿)
For example
I joined the Sports Meeting in 2015 and 2016.
past