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初中英语Unit 3 Language in use多媒体教学ppt课件
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这是一份初中英语Unit 3 Language in use多媒体教学ppt课件，共36页。PPT课件主要包含了已学习过的时态，现在完成时，现在完成时的主要用法，现在完成时二等内容，欢迎下载使用。
1.She wrks in a factry.2.I was ding my hmewrk at this time are ging t have a picnic this held a sprts meeting last yu ding yur hmewrk ?
1.v原形 2. v三单
am/is/are+v-ing
1.will/shall+v原形2.be ging t +v原形3.be+ving
1.v-ed（规则动词）2.不规则动词
was/were+v-ing
短暂性动词与时间段的关系
have been 与have gne 比较
与一般过去时的用法比较
1.表示过去发生的某一动作对现在造成的影响或结果。
2.表示过去已经开始, 持续到现在的动作或状态,
-- It’s s dark.--Smene has turned ff the light.(有人刚把灯关了,对现在造成的结果是:现在很黑)
-- Are yu free?--I have finished my hmewrk. I am free(我已经完成了家庭作业,对现在造成的结果是很有空)
常与 just, already, yet, ever, never，befre 连用, 强调动作完成,不强调动作的持续. 肯定句用already, 疑问句用yet. yet，befre 多放句尾， 其他放时前
2.现在完成时动词构成: have / has + v 过去分词
haven’thasn’t
Have yu……?Has he……?
1.规则动词2.不规则动词
finish--finished--finishedlive--lived--livedcarry--carried--carriedstp—stpped--stpped
g—went—gnesee---saw—seenfrget—frgt--frgtten
I, finish,hmewrk
I haven’t finished my hmewrk.
Have yu finished yur hmewrk?Yes, I have. / N, I haven’t.
I have finished my hmewrk.
I’ve already had dinner. 2. He has just finished his hmewrk. 3. Mum’s cked the dinner.4. Susan’s learned English at schl.
Have yu already had dinner?
Has he just finished his hmewrk?
Has mum cked the dinner?
Has Susan learned English at schl?
把下列句子改为一般疑问句
I’ve already had dinner. I ________ ________ dinner ________.2. He has just finished his hmewrk. He ________ ________ his hmewrk _____.3. Mum’s cked the dinner. Mum _______ ________ the dinner.4. Susan’s learned English at schl. Susan ________ ________ English at schl.
hasn’t cked
The huse is dirty. We _______it fr weeks. A didn’t clean B hadn’t cleaned C dn’t clean D haven’t cleaned 2. Yu dn’t need t describe her. I _______ her several times. A. had met B have met C met D meet 3. -----Will yu g t Beijing fr vacatin ? -----I _______ t g , but I dn’t knw if I can g . A was planning B have planned C had been planning D have been planning
4. --When will they leave ? ---They ______very sn . A d leave B are leaving C have left D leave 5. The teacher tld the pupils that the earth ____ rund.A is B wuld C was D were 6. She _______ such an interesting bk befre. A was never reading B will never read C had never read D has never read 7.Hw lng d yu think the meeting ______ A is lasting B is lasted C will last D lasts
动词填空：1._____ yu ________(clean) the rm? Yes, we__________(d) that already. When _______ yu ______(d) it? We _______(d) it an hur he ______(see) this film yet? Yes. When _____ he _____(see) it? He ______ it last week. 3. Hw many times _____yu______(cme) here? Once.
I’ve already had dinner. 2. He has just finished his hmewrk. 3. Mum’s cked the Susan’s learned English at schl.
What have yu already dne?
What has he just dne?
Wh has cked the dinner?
Where has Susan learned English?
1.过去发生的动作对现在造成的影响或结果。
2.过去已经开始，持续到现在的动作或状态
动词构成：have/has+v过去分词
had breakfast
I have just had my breakfast.
I’m nt hungry nw
mved herein 2010
I still live here
I have lived here fr fur years.
I have lived here since 2010/fur years ag.
肯定句式：have（has）＋过去分词
have nt (haven’t) +过去分词 has nt (hasn’t) +过去分词
Have/has +主语+过去分词
I have learnt English fr mre than ten years.我已经学了10多年的英语。(从10年前开始,持续到现在还在学)She has swum since half an hur ag.我已经游泳了半个小时(半个小时前已经开始游泳,到现在还在游)
2.表示过去已经开始, 持续到现在的，也许还会继续下去的动作或状态。常与since + 过去的时间点，fr + 一段时间，s far 等时间状语连用。
选用fr和since填空:1.We haven’t seen each ther ______ a lng father has been in the factry ______ 10 years film has been n ______ 20 Green has wrked here ______ he came t grandparents have been dead ______ several years.6. It’s five years _______ we met last time
have been 与have gne 的用法比较
have been t 意思是“到过，去过”，表示曾经到过某处，但现在人不在那儿。have gne t 意思是“去了”，表示已经去了某地，现在人可能在去的途中或已在那儿了。have been in 意思是“呆在某处一段时间了”
1. Has she ever been t Nanjing?她曾去过南京吗？ 2.Yu have never been there, have yu?你以前从未去过那儿，是吗？ 3.I have been t Guiling ,I went there last year.我去过桂林，我去年去的。 4.She has gne t Nanjing. 她已经去南京了。
用Have been t, have gne t, have been in 填空
Mike and his parents __________ the nrth fr half a year.Mum is nt at hme nw. she _________ the shp.______ yu ever _____ t kunming ? Never.Where _____ yu ______ these days?Has Jim arrived yet? Yes, he _______ here fr several days.Where is Peter? I dn’t knw where he ________.Hi Jim! Where _____ yu _____ ? Li Lei is lking fr yu.
have been in
have been
Have been
have been
4. I _______ (read) the nvel twice. It’s interesting.5. She _______(g) t Pairs, hasn’t she? Yes. Hw ______ she _______(g) there? She _______(g) there by air.6. S far, many cuntries ______________(develp) their sftware Chen ______(give)up smking last yu ever _______(ride) a hrse? ________( keep) the bk since tw days ag.
have develped
●短暂性动词在肯定句、疑问句中不能与时间段连用，这些动词是：①becme, ②begin, ③buy, ④brrw, ⑤cme (g, arrive), ⑥die, ⑦finish, ⑧jin, ⑨ leave, 等。
●在完成式中表述这种意思,我们常用相应的延续性动词 来代替短暂性动词。
●但在否定句中，短暂性动词可以与时间段连用。如：I haven’t bught the bike fr a year. 我买这辆自行车还不到一年。She hasn’t cme here fr an hur. 她来这儿还没有一个小时。
becme →be, begin→ have , brrw → keep,buy → have, cme (g, arrive, get) → be here/there/in…， die→ be dead, finish→ be ver, jin→be in …be a member f … ） leave→ be away ( frm…),
翻 译 练 习： 1.我买了这块手表五年了。 2.这位老人已经死了十年了。
I have bught this watch fr five years. I have had this watch fr five years/since 5 years ag.
The ld man has died fr ten years. The ld man has been dead fr ten years/since 10 years ag.
3.他已经回来三天了。 4.自从六点钟他就来这儿了。 5.我离开家乡已十年了。
He has cme back fr 3 days. He has been back fr 3 days/since 3 days ag.
He has cme here since 6 ’clck. He has been here since 6 ’clck.
I have left hmetwn fr 10 years. I have been away frm hmetwn fr 10 years.
一.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。
eg：He has bught an English-Chinese dictinary. 他已经买了一本英汉字典。 He bught an English-Chinese dictinary. 他曾买过一本英汉字典。
第一句用现在完成时时态，想表达意为：“He bught an English-Chinese dictinary. And he still has it” “过去他买了一本英汉字典，现在他还有这本字典” 。
第二句用过去时只叙述过去他买过一本英汉字典这一事实，至于现在他是否有这本字典并未强 调说明。
二．时间状语的区别： 当有一个表示过去某一特定时间的状语时，不用现在完成时，而用一般过去时:
eg: I saw the film n televisin yesterday .
现在完成时现在完成时总是与since+时间点，fr +时间段连用。
eg： They have knwn each ther since 1950 .
Since he was a child ,he has lived in England.
改 错1. Hw lng have yu begun t study English?2. I have brrwed this bk fr tw weeks.3. The river has becme very dirty since last August.4. Our manager is away tday. He has been t Guangzhu n business.5. He has gne ut fr tw years.
、翻译下列句子： 1. 你曾经吃过鱼和薯条吗？ 2. 我刚刚丢了我的语文书。 3. 我以前从来没去过那个公园。 4. 他已经吃过午饭了。 5. 你已经看过这部电影了吗？ 6. 我哥哥还没回来。 7. 我自从上星期看过这部电影。 8. 自从1992年他住在这里。 9.这本字典我已买了三年了。 10.他离开中国三年了
1.Have yu eatten fish and french frise? 2.I have lst my Chinese bk. 3 I have never been t that park. 4.He has already had lunch. 5 Have yu seen this mvie yet?6 My brther has nt returned. 7 I have seen this mvie since last week. 8 He has lived here since 1992. 9 I have had this dictinary fr three years. 10 He has been away China fr three years.
Thank yu Bye-bye!
1.She wrks in a factry.2.I was ding my hmewrk at this time are ging t have a picnic this held a sprts meeting last yu ding yur hmewrk ?
1.v原形 2. v三单
am/is/are+v-ing
1.will/shall+v原形2.be ging t +v原形3.be+ving
1.v-ed（规则动词）2.不规则动词
was/were+v-ing
短暂性动词与时间段的关系
have been 与have gne 比较
与一般过去时的用法比较
1.表示过去发生的某一动作对现在造成的影响或结果。
2.表示过去已经开始, 持续到现在的动作或状态,
-- It’s s dark.--Smene has turned ff the light.(有人刚把灯关了,对现在造成的结果是:现在很黑)
-- Are yu free?--I have finished my hmewrk. I am free(我已经完成了家庭作业,对现在造成的结果是很有空)
常与 just, already, yet, ever, never，befre 连用, 强调动作完成,不强调动作的持续. 肯定句用already, 疑问句用yet. yet，befre 多放句尾， 其他放时前
2.现在完成时动词构成: have / has + v 过去分词
haven’thasn’t
Have yu……?Has he……?
1.规则动词2.不规则动词
finish--finished--finishedlive--lived--livedcarry--carried--carriedstp—stpped--stpped
g—went—gnesee---saw—seenfrget—frgt--frgtten
I, finish,hmewrk
I haven’t finished my hmewrk.
Have yu finished yur hmewrk?Yes, I have. / N, I haven’t.
I have finished my hmewrk.
I’ve already had dinner. 2. He has just finished his hmewrk. 3. Mum’s cked the dinner.4. Susan’s learned English at schl.
Have yu already had dinner?
Has he just finished his hmewrk?
Has mum cked the dinner?
Has Susan learned English at schl?
把下列句子改为一般疑问句
I’ve already had dinner. I ________ ________ dinner ________.2. He has just finished his hmewrk. He ________ ________ his hmewrk _____.3. Mum’s cked the dinner. Mum _______ ________ the dinner.4. Susan’s learned English at schl. Susan ________ ________ English at schl.
hasn’t cked
The huse is dirty. We _______it fr weeks. A didn’t clean B hadn’t cleaned C dn’t clean D haven’t cleaned 2. Yu dn’t need t describe her. I _______ her several times. A. had met B have met C met D meet 3. -----Will yu g t Beijing fr vacatin ? -----I _______ t g , but I dn’t knw if I can g . A was planning B have planned C had been planning D have been planning
4. --When will they leave ? ---They ______very sn . A d leave B are leaving C have left D leave 5. The teacher tld the pupils that the earth ____ rund.A is B wuld C was D were 6. She _______ such an interesting bk befre. A was never reading B will never read C had never read D has never read 7.Hw lng d yu think the meeting ______ A is lasting B is lasted C will last D lasts
动词填空：1._____ yu ________(clean) the rm? Yes, we__________(d) that already. When _______ yu ______(d) it? We _______(d) it an hur he ______(see) this film yet? Yes. When _____ he _____(see) it? He ______ it last week. 3. Hw many times _____yu______(cme) here? Once.
I’ve already had dinner. 2. He has just finished his hmewrk. 3. Mum’s cked the Susan’s learned English at schl.
What have yu already dne?
What has he just dne?
Wh has cked the dinner?
Where has Susan learned English?
1.过去发生的动作对现在造成的影响或结果。
2.过去已经开始，持续到现在的动作或状态
动词构成：have/has+v过去分词
had breakfast
I have just had my breakfast.
I’m nt hungry nw
mved herein 2010
I still live here
I have lived here fr fur years.
I have lived here since 2010/fur years ag.
肯定句式：have（has）＋过去分词
have nt (haven’t) +过去分词 has nt (hasn’t) +过去分词
Have/has +主语+过去分词
I have learnt English fr mre than ten years.我已经学了10多年的英语。(从10年前开始,持续到现在还在学)She has swum since half an hur ag.我已经游泳了半个小时(半个小时前已经开始游泳,到现在还在游)
2.表示过去已经开始, 持续到现在的，也许还会继续下去的动作或状态。常与since + 过去的时间点，fr + 一段时间，s far 等时间状语连用。
选用fr和since填空:1.We haven’t seen each ther ______ a lng father has been in the factry ______ 10 years film has been n ______ 20 Green has wrked here ______ he came t grandparents have been dead ______ several years.6. It’s five years _______ we met last time
have been 与have gne 的用法比较
have been t 意思是“到过，去过”，表示曾经到过某处，但现在人不在那儿。have gne t 意思是“去了”，表示已经去了某地，现在人可能在去的途中或已在那儿了。have been in 意思是“呆在某处一段时间了”
1. Has she ever been t Nanjing?她曾去过南京吗？ 2.Yu have never been there, have yu?你以前从未去过那儿，是吗？ 3.I have been t Guiling ,I went there last year.我去过桂林，我去年去的。 4.She has gne t Nanjing. 她已经去南京了。
用Have been t, have gne t, have been in 填空
Mike and his parents __________ the nrth fr half a year.Mum is nt at hme nw. she _________ the shp.______ yu ever _____ t kunming ? Never.Where _____ yu ______ these days?Has Jim arrived yet? Yes, he _______ here fr several days.Where is Peter? I dn’t knw where he ________.Hi Jim! Where _____ yu _____ ? Li Lei is lking fr yu.
have been in
have been
Have been
have been
4. I _______ (read) the nvel twice. It’s interesting.5. She _______(g) t Pairs, hasn’t she? Yes. Hw ______ she _______(g) there? She _______(g) there by air.6. S far, many cuntries ______________(develp) their sftware Chen ______(give)up smking last yu ever _______(ride) a hrse? ________( keep) the bk since tw days ag.
have develped
●短暂性动词在肯定句、疑问句中不能与时间段连用，这些动词是：①becme, ②begin, ③buy, ④brrw, ⑤cme (g, arrive), ⑥die, ⑦finish, ⑧jin, ⑨ leave, 等。
●在完成式中表述这种意思,我们常用相应的延续性动词 来代替短暂性动词。
●但在否定句中，短暂性动词可以与时间段连用。如：I haven’t bught the bike fr a year. 我买这辆自行车还不到一年。She hasn’t cme here fr an hur. 她来这儿还没有一个小时。
becme →be, begin→ have , brrw → keep,buy → have, cme (g, arrive, get) → be here/there/in…， die→ be dead, finish→ be ver, jin→be in …be a member f … ） leave→ be away ( frm…),
翻 译 练 习： 1.我买了这块手表五年了。 2.这位老人已经死了十年了。
I have bught this watch fr five years. I have had this watch fr five years/since 5 years ag.
The ld man has died fr ten years. The ld man has been dead fr ten years/since 10 years ag.
3.他已经回来三天了。 4.自从六点钟他就来这儿了。 5.我离开家乡已十年了。
He has cme back fr 3 days. He has been back fr 3 days/since 3 days ag.
He has cme here since 6 ’clck. He has been here since 6 ’clck.
I have left hmetwn fr 10 years. I have been away frm hmetwn fr 10 years.
一.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。
eg：He has bught an English-Chinese dictinary. 他已经买了一本英汉字典。 He bught an English-Chinese dictinary. 他曾买过一本英汉字典。
第一句用现在完成时时态，想表达意为：“He bught an English-Chinese dictinary. And he still has it” “过去他买了一本英汉字典，现在他还有这本字典” 。
第二句用过去时只叙述过去他买过一本英汉字典这一事实，至于现在他是否有这本字典并未强 调说明。
二．时间状语的区别： 当有一个表示过去某一特定时间的状语时，不用现在完成时，而用一般过去时:
eg: I saw the film n televisin yesterday .
现在完成时现在完成时总是与since+时间点，fr +时间段连用。
eg： They have knwn each ther since 1950 .
Since he was a child ,he has lived in England.
改 错1. Hw lng have yu begun t study English?2. I have brrwed this bk fr tw weeks.3. The river has becme very dirty since last August.4. Our manager is away tday. He has been t Guangzhu n business.5. He has gne ut fr tw years.
、翻译下列句子： 1. 你曾经吃过鱼和薯条吗？ 2. 我刚刚丢了我的语文书。 3. 我以前从来没去过那个公园。 4. 他已经吃过午饭了。 5. 你已经看过这部电影了吗？ 6. 我哥哥还没回来。 7. 我自从上星期看过这部电影。 8. 自从1992年他住在这里。 9.这本字典我已买了三年了。 10.他离开中国三年了
1.Have yu eatten fish and french frise? 2.I have lst my Chinese bk. 3 I have never been t that park. 4.He has already had lunch. 5 Have yu seen this mvie yet?6 My brther has nt returned. 7 I have seen this mvie since last week. 8 He has lived here since 1992. 9 I have had this dictinary fr three years. 10 He has been away China fr three years.
Thank yu Bye-bye!
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