现在完成时复习课件.ppt

The Present
Perfect Tense
Designed by
SHI JIAN GUO
已学****过的时态
名称
常见时间状语
动词形式
一般现在时
现在进行时
一般将来时
一般过去时
过去进行时
often, always, sometimes,
every day…
now, look, listen…
tomorrow, next week
soon, in ten years,
in 2008 …
yesterday, last week
two days ago,in 1997
…
at 8:00 last night
at this time yesterday
…

+s/es(三单)
am/is/are+v-ing
+v原形
going to +v原形
-ed(规则动词)

was/were+v-ing
判断下列句子的时态
works in a factory.
was doing my homework at this time yesterday.
are going to have a ic this Sunday.
didn't hold a sports meeting last week.
you helping your mother .
一般现在时
过去进行时
一般将来时
一般过去时
现在进行时
现在完成时定义
came here
in 1996
have breakfast
I still live here
I’m not hungry now
I have just had my breakfast.
(现在我不饿)
。
,持续到现在的动作或状态
常与:already, yet, ever, never, just, before 等连用
I have lived here for ten years.
I have lived here since 1996/ten years ago.
now
past
future
常与for +时间段,since+时间点/从句连用, 谓语只可用延续性动词.
你会用already,yet,ever,never,just等吗?
eg. you _____been to Japan?
have _____ finished my homework.
have ______ finished my homework.
haven’t finished my homework ____.
你能区分since 和for 的用法吗
have been a teacher ______ a year.
He has been at this school _______ 1992.
We have learned 1,000 English words
_______ we came to this school.
请你练一练
for
since
since
ever
just
already
yet
现在完成时动词构成
have /has+v 过去分词
助动词
否定
疑问
haven’t
hasn’t
Have you……?
Has he……?
I, finish,
homework
I haven’t finished my homework.
Have you finished your homework?
Yes, I have. / No, I haven’t.
I have finished my homework.
现在完成时和一般过去时的区别
现在完成时所表明的是过去发生的动作对现在的影响,强调的是现在的情况,不可以和表示过去的时间状语yesterday,in 1991,three days ago, last time,last night等连用.
一般过去时表明的是过去发生的事实,和现在不发生关系.
Think it over! saw it on Lin Tao’s desk five minutes ago. saw 能用have seen代替吗? bought a book yesterday. bought 能用has bought代替吗?
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