初三总复习:现在完成时专项练习 一、基本结构: 助动词 have/has+动词的过去分词 二、用法 1: 表示:过去发生或已经完成的某一动作对现在造成的影响或结果
标志词: already,yet,just,ever,never,before I have lost my English book
She has never seen such an interesting movie before
我已经看过这部电影
I already the film
你已经浇过花了吗
you the flowers yet
他刚刚完成了家庭作业
He just his homework
我们曾经去过五仙山
We ever to the Wuxian Hills
李雷从不抽烟
Lilei never 用法 2: 表示:过去已经开始,持续到现在的动作或状态
标志词: for,since,since… ago she has lived here since 1996
She has learned English since three years ago
我学习英语达到3 年了
I English for 3 years
I English for 3 years
自从 9 点钟以来,我们就在这儿等他
We for him since 9:00
We for him since 9:00
自从两周前以来,他就在练习打篮球
He basketball since 2 weeks ago
自从 Lucy来中国以来,她就结交了许多朋友
She many friends since Lucy came to China
动词转换 结束性动词不能和表示一段时间的时间状语连用,但是可以转换成相应的