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《Past and Present》PPT课件(第4课时)

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《Past and Present》PPT课件(第4课时) 详细介绍:

《Past and Present》PPT课件(第4课时)《Past and Present》PPT课件(第4课时)

牛津译林版八年级英语下册《Past and Present》PPT课件(第4课时),共18页。

Present perfect tense 现在完成时

1.含义:

(1) 表示过去发生的事持续到现在;

(2) 表示过去发生的事情对现在产生影响。

eg:Mr Wang has lived here since he came to Anhui.

自王先生来到安徽,他就住在这儿了。

I have lost my mobile phone.   我的手机丢了。

2.构成:have/ has(+not)+动词的过去分词。

eg:He has not returned the book to me yet.

他还没有把书还给我。

She has never seen this film.

她从没看过这部电影。

3. 动词的过去分词

a.一般直接在词尾加­ed

b.以不发音的字母­e结尾的词直接加­d

c.以“辅音字母+­y”结尾的词,变­y为­i,再加

d.以“元音字母+­y”结尾的词,直接加­ed

e.以“元音字母+一个辅音字母”结尾的重读闭音节词,先双写这个辅音字母,再加­ed

4.常用时间状语:

just 刚刚;

yet 用于疑问句,表示“已经”,用于否定句表“还”;

ever 曾经;

already 用于陈述句,表示“已经”,否定句中改为yet;never 用在句中表示否定,从未,从不;

recently 近来,最近。

一、用所给词的适当形式填空

1. I ___________(study) in America for over three years.

2. The young man __________(live) alone since he graduated from college.(兰州)

3. This is the best film that I __________(see) so far.

4. —Hello. Can I speak to Miss Brown?

—Sorry, she __________( fly) to Canada already. She'll be back in a week.

5. In the past two weeks, the artist __________(draw) many pictures about his hometown.

6. I __________( know) Jimmy for over two days and now we are good friends.

7. —Why are the windows so dirty?

—Because we _____________( not clean) them for a long time.

8. My life __________( change) a lot in the past few years.(枣庄改编)

二、单项选择

9. —Dave,we will leave in 10 minutes. Are you ready?

—No,I________ our guidebook and towels yet.(玉林)

A. don't pack         B. didn't pack

C. have packed      D. haven't packed

10. The singers ________ many concerts in the countryside since 2001.(湘潭)

A. hold                  B. held                 C. have held

11. —Have you finished your homework?

—________. Just half of it. How about you?(苏州)

A. Not at all            B. Not likely     

C. Not a bit            D. Not yet

12. Ann is a nurse in our hospital. She______ here for ten years.

A. works               B. has worked     

C. worked             D. was working

... ... ...

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