现在完成时用法
:already,so far,never,just,before,recently,
I have lost my key.(说明过去某时丢的,现在还未找到.)
,+一段时间,since+一段时间 How long..
I have known him for ten years.
For 和since要用延续性动词leave/go- be e-be here/be in,buy- have,borrow-keep,join-be in/a member of,die-be dead,begin- be on,finish- be over
,常用often,always,seldom,.
We have been to the Summer Palace twice.
4. 表示次数.
been to /have gone to
haven’ t seen you for a long have you been?I have been to many times have you been there?I have been there twice
1)侧重点不同:现在完成时侧重于过去的动作对现在造成的影响,而一般过去时侧重于表示过去的动作与现在无关.
2)连用的时间状语不同.
3)询问某事过去发生的具体时间,.
1)由since引导
现在完成时态 来自淘豆网m.daumloan.com转载请标明出处.
