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牛津译林版八年级下册Grammar图文ppt课件
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这是一份牛津译林版八年级下册Grammar图文ppt课件，共41页。PPT课件主要包含了coach 1958，Taxi 1913，past，present，一现在完成时的含义，Chat time，单项选择等内容，欢迎下载使用。
cach 1958
Peple began t use a cach in 1958 .
Peple have used a cach since 1958 .
Caches have been in use since 1958.
Taxi 1913
Peple began t use a taxi in 1913.
Peple have used a taxi since 1913.
Taxis have been in use since 1913.
Peple began t use a duble-decker in 1990.
duble-decker 1990
Peple have used a duble-decker since 1990.
Duble-deckers have been in use since 1990.
light rail 2002
Peple began t use a light rail in 2002
Pelpe have used a light rail since 2002
Light rails have been in use since 2002
Present perfect tense（现在完成时） 形式：have/has + dne (过去分词)用法:1）动作发生在过去，对现在有影响或与现在有联系；2）动作发生在过去，并延续到现在。常与fr时间短语、since引导的时间连用。
Present perfect tense
Eddie has lived with Millie since he was brn.
Eddie has lived with Millie fr fur years.
Eddie was brn fur years ag.
have/has+动词的过去分词
A 规则动词的过去分词
B 不规则动词的过去分词
Practice(Page14)
1 They ______________ ( finish) their hmewrk.2 Mr. And Mrs. Li _______________(nt cme) back yet.3 Jhn___________ (play) this cmputer game a few times.4 We _____________ (nt see) that film yet.5 Mr. Dng _____________ (repair) ver ten bicycles since last Mnday.6 Yu _______________ (nt visit) me fr a lng time.
haven’t cme
haven’t seen
haven’t visited
have finished
has repaired
Have/Has + 主语 + 动词的过去分词
现在完成时的特殊疑问句特殊疑问词+have/has+主语+过去分词+… Hw many times have yu been t the Great Wall?Hw lng have yu knwn each ther?What have yu finished recently?
The Present Perfect Tense (现在完成时）
表示过去发生并结束的动作对现在产生的影响，常与“already”、“yet”、“just”等连用；e.g. We have just/already finished the reprt. 也可表示过去发生动作持续到现在，常与“since”、“fr”等连用。e.g. I have lived here since I was brn. He has knwn Andy fr ver 10 years.
现在完成时的时间副词和时间短语:
1. 副词already和yet。already一般用于肯定句中，yet一般用于否定句和 疑问句中。 如: We have already finished ur hmewrk. 我们已完成作业了。
They haven't finished their hmewrk yet. 他们还没有完成作业。
注意：当在肯定陈述句中含有already或just 时，在转换成否定句或疑问句时，要把句中的already 或just 去掉，在句末加上yet.
I haven’t seen the film yet.
● I have dne my hmewrk already.
I haven’t dne my hmewrk yet.
● Mther has just cleaned the huse.
Mther hasn’t cleaned the huse yet.
● I have seen the film already.
- I have never been t the Great Wall. 我从未去过长城。
副词ever 和never。多用于否定或疑问 句中，表示“曾经”或“从未“等。 如: - Have yu ever been t the Great Wall? 你曾经去过长城吗?
He has just eaten ten apples. 他刚吃完十个苹果。
3. 用just表示到说话时为止的时间状语, 如: I have just seen her, but I dn’t knw where she is nw .
我刚看见她，但我不知道她现在在哪。
这种用法常与already, just, yet, ever, never, befre(句末)等连用.
I ________ (d) my hmewrk already.He _____________(nt finished) his hmewrk yet.____yu ever _____(be) t Beijing?We ______ never ______ (see) such an exciting match befre.Mther _____ just _______(clean) the huse. Please dn’t cme in.They _________________(practice) this dialgue twice.
has nt finished
have practiced
A: Have yu dne yur hmewrk? B: Yes, I have. A: When did yu d it? B: I did it an hur ag.
现在完成时和一般过去时的区别：
现在完成时，强调这一动作产生的结果对现在的影响，与现在有关。 一般过去时，仅仅表示在过去某一时刻曾发生过这一动作，与现在无关。
He has studied English fr five years.
He studied English fr five years.
（说明他还继续学下去）
（只说明他过去学过五年英语，但现在不学了。）
He speaks French s fluently. He learned it in Paris. He was there fr tw years. He has studied French. (他学过法语。) 这句话所说明的结果是他现在懂法语。
Lk! The blackbard is s clean nw. He has cleaned the blackbard. (他已经擦过黑板了。) 这句话所表示的结果是黑板现在是干净的。
用法1：表示过去开始的动作或状态已经结束，但是对现在有影响
一般过去时与现在完成时有一些明显的时间状语。
遇到yesterday, Last year, in May, in+过去某一年，tw days ag, the ther day, just nw等就用一般过去时
当有 ver these years, in the past/ last few days(在过去/最近的几年里)，s far, since, befre, up t nw接过去时间状语或过去时的句子等常用现在完成时
He has been there twice in the last few days. 近几年他去过那里两次了。
I have seen her befre, but I can nt remember where. 我以前见过她，但记不起在哪里见过。
Chat time(Page15)M : ______ yu ____ (see)any exhibitins recently, Sandy?S : N, I _______.What abut yu?M : Well, I _____________ (see) ne. I saw it at the histry museum last week.S : What’s it abut?M : I ______________ (frget) the title.It’s abut changes in Beijing ver the past century.S : Oh. yes. I ___________(hear) abut it.______ yur cusin ____ (g) with yu?
have frgtten
M : N, he________. He ________(be) very busy this week.S : Did yu enjy the exhibitin? M : Yes, I did.I _________ (learn)a lt abut Beijing’s past and present. It’s a gd exhibitin and I __________(decide) t see it again. D yu want t g with me?S : Sure. I wn’t miss it this time.
have decided
一、动词填空1) _______Wuxi _______(change) a lt since 2000?2) Millie ________(knw) Eddie fr ten years.3) Bb ________(frget) t bring his key last Mnday.4) It _________(rain) heavily when I went hme yesterday. 5) I _________(nt eat) lunch. I’m hungry.6) _______yur mther _______(ck) at this time yesterday?7) He ___________(nt write)the letter last night. He _______(write) it this mrning.8) ________she ________(live) here in the past.9) Lk! The rain ________(stp). We can g ut t play.10) LiuXiang _______(becme) interested in running since he ________(be) yung.
用正确时态填空Hurry up! Lunch ________already _________(begin).________ he ever _________(ride) a bike?Liming ________(hurt) his arm last week. He ________ already ________(stay) in bed fr five days.Yesterday, she ________(buy) ne bk in the bkshp. She ___________ (nt read) it since then.I ________already _________(lse) my pen. I_________(buy) it tw days ag. He ___________ (wait) at the bus stp fr an hur. I ________________ (nt finish) the wrk yet. ___________ yu ________ (knw) him since then?
haven’t finished
hasn’t read
have lst
9. We ___________ (be) there many times in the past 3 years.10. Hw lng ________ yu__________ (stay) at hme since last Wednesday?11. He ___________ (nt read) the bk befre. I ___________ (hear) frm my brther recently. Her sister _________ (g) t Changchun. She______ (leave) this mrning. He ___________ (live) in his hmetwn since he left schl. The writer ______________ (finish) several stry- bks since 1990.
has finished
( )1. I have finished my hmewrk ____. Have yu finished yur hmewrk ____? A. yet, yet B. yet, already C. already, yet D. already, already
( )2. I haven’t seen Kate ____ 4 mnths. A. Already B. since C. fr D. yet( )3. He has ____ seen the film Harry Ptter. S he knws nthing abut it. A. already B. ever C. never D. yet
( ) 4. She has been ill in bed ____ tw days ag. A. since B. in C. during D. fr( )5. — Have yu seen him ____? — N, I haven’t. A. already B. never C. ever D. recently
( )6. I have ____ watched a wnderful film. It’s really interesting. A. yet B. just C. just nw D. never
( )7. Mike ____ the bkshp. I have t wait fr him t return. A. went t B. was in C. has been t D. has gne t
( )8. — Oh, Mrs King, yur dress lks very nice. Is it new? — N, I ___ it since tw years ag. A. had B. bught C. have had D. have bught
( )9. — ___yu __a ticket fr the ftball match? — Nt yet. A. Is, bught B. Are, bught C. Has, bught D. Have, bught
( )10. — What a nice dg! Hw lng have yu had it? — __tw years. A. Fr B. Since C. In D. Befre( )11. Great changes ____in China since 1978. A. was happened B. have happened C. have been taken place D. tk place
( )12. Tm ______a lt f friends since he came t China last year. A. made B. makes C. is making D. has made( )13. “The Wrld Withut Thieves” is a very mving film. I ___ it twice already. A. will see B. saw C. see D. have seen
( )14. They ___ since the factry pened. A. have wrked there B. have wrked here C. wrked there D. wrked here( )15. — Lucy, __ yu ___ yur ticket? — Nt yet. A. did, find B. have, fund C. has, fund D. d, find
cach 1958
Peple began t use a cach in 1958 .
Peple have used a cach since 1958 .
Caches have been in use since 1958.
Taxi 1913
Peple began t use a taxi in 1913.
Peple have used a taxi since 1913.
Taxis have been in use since 1913.
Peple began t use a duble-decker in 1990.
duble-decker 1990
Peple have used a duble-decker since 1990.
Duble-deckers have been in use since 1990.
light rail 2002
Peple began t use a light rail in 2002
Pelpe have used a light rail since 2002
Light rails have been in use since 2002
Present perfect tense（现在完成时） 形式：have/has + dne (过去分词)用法:1）动作发生在过去，对现在有影响或与现在有联系；2）动作发生在过去，并延续到现在。常与fr时间短语、since引导的时间连用。
Present perfect tense
Eddie has lived with Millie since he was brn.
Eddie has lived with Millie fr fur years.
Eddie was brn fur years ag.
have/has+动词的过去分词
A 规则动词的过去分词
B 不规则动词的过去分词
Practice(Page14)
1 They ______________ ( finish) their hmewrk.2 Mr. And Mrs. Li _______________(nt cme) back yet.3 Jhn___________ (play) this cmputer game a few times.4 We _____________ (nt see) that film yet.5 Mr. Dng _____________ (repair) ver ten bicycles since last Mnday.6 Yu _______________ (nt visit) me fr a lng time.
haven’t cme
haven’t seen
haven’t visited
have finished
has repaired
Have/Has + 主语 + 动词的过去分词
现在完成时的特殊疑问句特殊疑问词+have/has+主语+过去分词+… Hw many times have yu been t the Great Wall?Hw lng have yu knwn each ther?What have yu finished recently?
The Present Perfect Tense (现在完成时）
表示过去发生并结束的动作对现在产生的影响，常与“already”、“yet”、“just”等连用；e.g. We have just/already finished the reprt. 也可表示过去发生动作持续到现在，常与“since”、“fr”等连用。e.g. I have lived here since I was brn. He has knwn Andy fr ver 10 years.
现在完成时的时间副词和时间短语:
1. 副词already和yet。already一般用于肯定句中，yet一般用于否定句和 疑问句中。 如: We have already finished ur hmewrk. 我们已完成作业了。
They haven't finished their hmewrk yet. 他们还没有完成作业。
注意：当在肯定陈述句中含有already或just 时，在转换成否定句或疑问句时，要把句中的already 或just 去掉，在句末加上yet.
I haven’t seen the film yet.
● I have dne my hmewrk already.
I haven’t dne my hmewrk yet.
● Mther has just cleaned the huse.
Mther hasn’t cleaned the huse yet.
● I have seen the film already.
- I have never been t the Great Wall. 我从未去过长城。
副词ever 和never。多用于否定或疑问 句中，表示“曾经”或“从未“等。 如: - Have yu ever been t the Great Wall? 你曾经去过长城吗?
He has just eaten ten apples. 他刚吃完十个苹果。
3. 用just表示到说话时为止的时间状语, 如: I have just seen her, but I dn’t knw where she is nw .
我刚看见她，但我不知道她现在在哪。
这种用法常与already, just, yet, ever, never, befre(句末)等连用.
I ________ (d) my hmewrk already.He _____________(nt finished) his hmewrk yet.____yu ever _____(be) t Beijing?We ______ never ______ (see) such an exciting match befre.Mther _____ just _______(clean) the huse. Please dn’t cme in.They _________________(practice) this dialgue twice.
has nt finished
have practiced
A: Have yu dne yur hmewrk? B: Yes, I have. A: When did yu d it? B: I did it an hur ag.
现在完成时和一般过去时的区别：
现在完成时，强调这一动作产生的结果对现在的影响，与现在有关。 一般过去时，仅仅表示在过去某一时刻曾发生过这一动作，与现在无关。
He has studied English fr five years.
He studied English fr five years.
（说明他还继续学下去）
（只说明他过去学过五年英语，但现在不学了。）
He speaks French s fluently. He learned it in Paris. He was there fr tw years. He has studied French. (他学过法语。) 这句话所说明的结果是他现在懂法语。
Lk! The blackbard is s clean nw. He has cleaned the blackbard. (他已经擦过黑板了。) 这句话所表示的结果是黑板现在是干净的。
用法1：表示过去开始的动作或状态已经结束，但是对现在有影响
一般过去时与现在完成时有一些明显的时间状语。
遇到yesterday, Last year, in May, in+过去某一年，tw days ag, the ther day, just nw等就用一般过去时
当有 ver these years, in the past/ last few days(在过去/最近的几年里)，s far, since, befre, up t nw接过去时间状语或过去时的句子等常用现在完成时
He has been there twice in the last few days. 近几年他去过那里两次了。
I have seen her befre, but I can nt remember where. 我以前见过她，但记不起在哪里见过。
Chat time(Page15)M : ______ yu ____ (see)any exhibitins recently, Sandy?S : N, I _______.What abut yu?M : Well, I _____________ (see) ne. I saw it at the histry museum last week.S : What’s it abut?M : I ______________ (frget) the title.It’s abut changes in Beijing ver the past century.S : Oh. yes. I ___________(hear) abut it.______ yur cusin ____ (g) with yu?
have frgtten
M : N, he________. He ________(be) very busy this week.S : Did yu enjy the exhibitin? M : Yes, I did.I _________ (learn)a lt abut Beijing’s past and present. It’s a gd exhibitin and I __________(decide) t see it again. D yu want t g with me?S : Sure. I wn’t miss it this time.
have decided
一、动词填空1) _______Wuxi _______(change) a lt since 2000?2) Millie ________(knw) Eddie fr ten years.3) Bb ________(frget) t bring his key last Mnday.4) It _________(rain) heavily when I went hme yesterday. 5) I _________(nt eat) lunch. I’m hungry.6) _______yur mther _______(ck) at this time yesterday?7) He ___________(nt write)the letter last night. He _______(write) it this mrning.8) ________she ________(live) here in the past.9) Lk! The rain ________(stp). We can g ut t play.10) LiuXiang _______(becme) interested in running since he ________(be) yung.
用正确时态填空Hurry up! Lunch ________already _________(begin).________ he ever _________(ride) a bike?Liming ________(hurt) his arm last week. He ________ already ________(stay) in bed fr five days.Yesterday, she ________(buy) ne bk in the bkshp. She ___________ (nt read) it since then.I ________already _________(lse) my pen. I_________(buy) it tw days ag. He ___________ (wait) at the bus stp fr an hur. I ________________ (nt finish) the wrk yet. ___________ yu ________ (knw) him since then?
haven’t finished
hasn’t read
have lst
9. We ___________ (be) there many times in the past 3 years.10. Hw lng ________ yu__________ (stay) at hme since last Wednesday?11. He ___________ (nt read) the bk befre. I ___________ (hear) frm my brther recently. Her sister _________ (g) t Changchun. She______ (leave) this mrning. He ___________ (live) in his hmetwn since he left schl. The writer ______________ (finish) several stry- bks since 1990.
has finished
( )1. I have finished my hmewrk ____. Have yu finished yur hmewrk ____? A. yet, yet B. yet, already C. already, yet D. already, already
( )2. I haven’t seen Kate ____ 4 mnths. A. Already B. since C. fr D. yet( )3. He has ____ seen the film Harry Ptter. S he knws nthing abut it. A. already B. ever C. never D. yet
( ) 4. She has been ill in bed ____ tw days ag. A. since B. in C. during D. fr( )5. — Have yu seen him ____? — N, I haven’t. A. already B. never C. ever D. recently
( )6. I have ____ watched a wnderful film. It’s really interesting. A. yet B. just C. just nw D. never
( )7. Mike ____ the bkshp. I have t wait fr him t return. A. went t B. was in C. has been t D. has gne t
( )8. — Oh, Mrs King, yur dress lks very nice. Is it new? — N, I ___ it since tw years ag. A. had B. bught C. have had D. have bught
( )9. — ___yu __a ticket fr the ftball match? — Nt yet. A. Is, bught B. Are, bught C. Has, bught D. Have, bught
( )10. — What a nice dg! Hw lng have yu had it? — __tw years. A. Fr B. Since C. In D. Befre( )11. Great changes ____in China since 1978. A. was happened B. have happened C. have been taken place D. tk place
( )12. Tm ______a lt f friends since he came t China last year. A. made B. makes C. is making D. has made( )13. “The Wrld Withut Thieves” is a very mving film. I ___ it twice already. A. will see B. saw C. see D. have seen
( )14. They ___ since the factry pened. A. have wrked there B. have wrked here C. wrked there D. wrked here( )15. — Lucy, __ yu ___ yur ticket? — Nt yet. A. did, find B. have, fund C. has, fund D. d, find
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