现在完成时公开课课件

B: For 6 years.
Key words
so far
到目前为止
have only ____________ planted We _______ 100 trees so far. (plant)
Key words
yet for just before
ever
never since so far
already
in the past 10 years twice
how long
也可以是其他表示次数的词
• He has bought the book. • He has bought the book for a week. • He has had the book for a week.
come to
have/has been in borrow
have/has been a soldier
The film has begun for 10 minutes.
been on
buy go to got to join have/has had leave have/has been away have/has kept have/has been on
have you _______ been in China? A: How long ____
have been here for 3 years. B: I _________
have/has gone to have/has been to have/has been in 去了 说话时某人不在 只用于第三人称 去过 常与ever, never, once,twice,连用 在… 与时间段连用 用how long 提问
Spring has already come,
夏天还会远吗 ?
will it still be far in summer?
Spring has already come.
现在完成时态
一)构成:
have/has+动词过去分词
基本结构 have / has + done
助动词 （可以帮助 构成肯定、疑问和 否定句）
现在完成时 The Present Perfect Tense
滑县八里营乡初级中学 黄利英
Studying aims
1.现在完成时的构成
2.现在完成时的主要用法
及相关的时间状语
3. 短暂性动词与时间段的关系 4. have been 与have gone 比较
5.与一般过去时的用法比较
春天已经来了,
come to
have/has been in
have/has been a soldier
I have borrowed the dictionary since 3 days ago .
kept
buy go to got to join have/has had have/has been in have/has been in have/has been in leave have/has been away have/has kept
1.He has cleaned his rபைடு நூலகம்om.
(写一个一般疑问句） Has he cleaned his room?
2. She has lived in London
for four years. (划线部分提问）
How long has she lived in London?
he 3. He has been to China, hasn’t ____ ____?
Have you ever ________ been to the city ? A: _____
B: No , never .
与一般过去时的用法比较
现在完成时和一般过去时都是说过 去的事情，但现在完成时注意的不
是事情本身,而是强调事情与现在保 持的某种密切联系（如现在的结果 ，影响,一直延续到现在等）;而一般
come to
have/has been in borrow have/has been in begin have/has been in
have/has been in
have/has been a soldier
The concert has finished for half an hour.
Key words
yet
already
注意：already 用于肯定句，
yet 用于疑问句和否定句中
Has your brother ______ finished his A: ______ homework yet? (finish)
B: Yes, he ‘s already done it.
过去时，则只讲述发生在过去的动 作和事情与现在没有关系。
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know
have known each We ____________ other since childhood .
knew We ____________ each other when we were young .
saw I ________ him just now . (see)
had
buy have/has had
How long have you come to the United States？
been in
buy have/has had have/has been in
come to
Ann has gone to China since three months ago.
Key words
since
since 后面带过去时间或有一般过去时的句子
has worked Tom ___________ in the factory since he left school ten years ago. (work )
Key words
since
for + 一段时间
have you ________ taught A: How long ______ in this school? (teach )
been over
buy go to got to join have/has had leave have/has been away have/has kept have/has been on have/has been over
come to
have/has been in borrow have/has been in begin have/has been in finish
have/has been in
have/has been a soldier
His dog has died for two years .
been dead
buy go to got to join have/has had leave have/has been away have/has kept have/has been on have/has been over have/has been dead come to have/has been in borrow have/has been in begin have/has been in finish have/has been in die
have/has been a soldier
have gone to
have been to
have been in
去了某地 去过某地已经回来 一直留在某地 还没回来 常与ever, never, 与for / since连用 只用于第三人称 once,twice,连用 用how long 提问
Key words
yet
already
ever
never
注意： ever 曾经
用于疑问句中
never 从不 带有否定意义
Have been A: _______ you ever _______ to the park? ( be )
B: No, never.
Key words
yet
just
already
（写出反义疑问句部分）
4. They have come back from work.
(写否定句）
They haven’t come back from work.
现在完成时的主要用法
(一)表示过去发生的动作或事情对 现在的影响和产生的结果 . 它强调 的是过去的动作同现在的联系 . 常 用的时间状语有already, yet, ever, never, just, before等.
been in
buy go to have/has had have/has been in have/has been in
come to
I have left Shanghai for 3 days.
been away for 3 days.
buy go to got to join have/has had have/has been in have/has been in have/has been in leave have/has been away
Exercises
用动词的适当形式填空
mended Have you _________your • 1.--______ pen? (mend) have • --Yes, I _______. mend it? did • --When_______ you _______ mended it yesterday. • --I __________ • 2.--How do you like the film? haven’t seen • --I ____________(not see) such a moving film • before. joined • lie’s sister _______(join) the club last week. has been • So she _________(be) in the club for nearly • one week.
buy have be in leave borrow come /go/get to begin finish die reture be away keep be on be over be dead be back
join
be in be a …member
She has bought the computer for two years.
smoking has given • 4.My father__________(give) up ________(smoke). smoke • He doesn’t _________(smoke) now. haven’t come • 5.The Green family_____________(not come) back • yet from the cinema.
has gone to Her sister _____________ Australia,
She left this morning.
have/has gone to have/has been to have/has been in 去了 说话时某人不在 只用于第三人称 去过 常与ever, never, once,twice,连用 在… 与时间段连用 用how long 提问
have just _____ lost my pen. I _____ (lose)
did see the film ? A: When______ you ______ saw it two months ago. (see) B: I ____
has finished The writer ________________ several story-books since 5 years ago. (finish)
ever
never
Just 刚刚 与现在完成时连用 一般置句中 Just now 刚才 与一般过去时连用
have just ________ mended the desk, I ______ you can take it to your classroom . (mend )
( 二 ) 表示一个从过去开始 , 一直持 续到现在 ,有可能继续下去的动作 或状态.通常和for或since引导的时 间状语连用.