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外研版高中英语Book 1 Module 4 A Social Survey ---My neighborhood grammarPresent perfect tense教学课件 2.ppt


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外研版高中英语Book 1 Module 4 A Social Survey ---My neighborhood grammarPresent perfect tense教学课件 2.ppt
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外研版高中英语Book 1 Module 4 A Social Survey ---My neighborhood grammarPresent perfect tense教学课件 2.ppt上一页
现在完成时
下一页
主菜单
思考几个问题:
1. 现在完成时与过去时的区别
2.现在完成时与过去完成时的区别
3.非延续性动词是否有完成时?
一.导
二. 学
按要求完成学案上的任务
(1)~~ (4)( 7分钟).
Mother: John, clean your teeth please.
John: Mum, I have already cleaned them.
Mother: when did you do that ?
John: I had done before you came back.
John: 妈妈,我已经刷过了.
Mother :什么时候刷的?.
John: 您回来之前我就刷了。
三. 展
present(now)
future
past
现在完成时
( present perfect tense)
do my homework
一.现在完成时的基本含义
上一页
下一页
They have surveyed that matter since last year. It`s said it may refer to some key persons.
主菜单
1.表示过去发生的某一动作对现在造成的 ____和_____
2. 表示过去已经开始且 ____________的动作或状态
影响
结果
持续到现在
I have ever been to the Summer Palace
I have never heard about so moving a story.
3.表示人们_________或到目前为止 __________经历
从未有过的
曾有过的
二. 现在完成时的标志
◆常与① already, ② never,
③ ever, ④ just,
⑤ yet, ⑥ before,
⑦ up to now, ⑧ so far,
⑨ for a long time
⑩ these days,
⑾ since
⑿ for/in/during recent / the last /the past few
weeks等连用
上一页
下一页
主菜单
三.现在完成时的特殊情况
It ______ 6 weeks since I began to write
this story.
has been
have warned
have been to
has stopped
2. It`s the last time that I ___________(警告)you !
3. This is one of the most attractive places that I
______________(曾经去过的) .
4. Don`t get off the bus before it __________ well.
※非延续性动词是否有完成时?
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