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初中英语Section A评优课课件ppt
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这是一份初中英语Section A评优课课件ppt，共21页。PPT课件主要包含了教学目标 ，动词过去分词的构成，规则变化，现在完成时的句型，现在完成时两大用法，用法1，用法2，for，How long，has been等内容，欢迎下载使用。
1.现在完成时的构成及注意细节。2.现在完成时的句型。3.现在完成时的主要用法（2个）。4.has/have been in has/have been t has/have gne t的用法。5.强化练习，巩固所学。
现在完成时构成:
主语 + have / has + V过去分词
Present perfect tense
现在完成时的构成 注意的细节
• 1. have (has)有人称和数的变化。• 2.主语和have(has)的缩写( I’ve / we’ve yu’ve / they’ve / he’s / she’s / it’s )。• 3. have (has)词性的辨析（助动词和实义 动词）。 He’s ill in hspital. He’s been ill in hspital. I have a bk. I have bught a bk.
1.一般在动词词尾直接加“ ed ”。 wrk---wrked---wrked 2.以“ e ”结尾的动词，在词尾加“ d ”。 live---lived---lived 3.以“辅音字母 + y ”结尾的动词，变“y” 为 “i”，再加“ ed ”。 study---studied---studied 4.重读闭音节结尾，末尾只有一个辅音字母，先 双写该辅音字母，再加“ ed ”。 stp--stpped--stpped
肯定句：主语 + have/ has + V过去分词
否定句: 主语 + haven't ( have nt) +V过去分词 主语 + has't ( have nt) + V过去分词
一般疑问句: Have/Has+主语+V过去分词
I haven’t finished my hmewrk.
Have yu finished yur hmewrk?
I have finished my hmewrk.
1. I have dne my hmewrk.否定句： I _____ _____ my hmewrk.一般疑问句：____ yu ____ yur hmewrk?肯定、否定回答： Yes, ____ _____. N, ____ ______.2. He has seen the film.否定句： He _____ ______ the film.一般疑问句：_____ he ______ the film?肯定、否定回答： Yes, _____ _____. N, _____ _____.
haven't dne
Have dne
I have
I haven't
hasn't seen
Has seen
he has
he hasn't
1.表示过去发生或已经完成的某一动作对现在造成的影响或结果。
He has cleaned the blackbard. (他擦黑板了) 这句话表示的结果是黑板现在是干净的。 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。
现在完成时用法1连用词: already “已经”用于肯定句 yet 用于： 否定句: 句末 “还(没)” 一般疑问句: 句末 “己经” never 否定词 “从来没有” ever “曾经” just “刚刚” befre“以前”（用于现在完成时放 句末）
1. I ____ already _____ (finish)my hmewrk.2. ______ yu ______(read) treasure island yet?3. He __________ (nt find)his pen yet.4. They _____ever ____ (hear)the stry.5. I__________ (nt see) this film befre.6. Lucy ___ never ___ (be) t Beijing.7. He _____ just _____ (eat) breakfast.
have finished
have read
hasn't fund
have heard
haven't seen
has been
has eaten
She has learned English fr 5 years. He has wrked in Beijing since tw years agHw lng has he wrked here? -- Since 1996.
2.表示从过去开始并持续到现在的动作或状态。a.连用词：fr + 一段时间 since + 过去的时间点b.谓语动词使用延续性动词。c.对fr +一段时间/since + 过去的时间点 提问用疑问词：hw lng（多长时间）
时间点和时间段∙时间点： eg: 2006，last Mnday , last night, yesterday , this mrning , ten’clck 等。∙时间段： eg: ten minutes, tw hurs, five days , three weeks, six mnths, ten years等。∙转化：时间段 + ag 可变为时间点 eg: fr three years=since three years ag
填空：用 “fr” / “since” 和动词的正确形式。1. Tm has lived here ______ 2000.2. Sally has learnt English ______ fur years ag. 3. Jack has been away here _____ five minutes.4. We haven't seen each ther ______ a lng time.5. His father has been in this schl ___ 10 years. 6. _________ have yu studied English? ------_____ abut tw years . 7.He __________ (be) a student fr seven __________ (live) here since tw weeks ag. 9.I _____________ (teach) English since 2005.
have taught
拓展延伸：Since常考两种句式
1. It +is/has been+一段时间段+since+从句 （一般过去时） Eg: It is five years since we met last time. Eg:It has been five years since we met last time. 2. 主句（现在完成时）+ since + 从句 （一般过去时） Eg: Mr Green has wrked here since he came t china.
1. It _________ (be) 3 years since I____ (see) yu last time. 2. It _________ (be) 2 weeks since he _____ (buy) the bike.3. I _________ (live) here since I ______ (be) brn.(出生）4. He _________ (teach) English since he ________ (cme) t this schl.
is /has been
is / has been
观察与思考 have been 与have gne
have / has been t 表示曾经到过某地。have / has gne t 表示已经去了某地。have / has been in 意思是“某人在某地”（备注：here / there / hme / abrad 副词前要省略介词in / t）
1.Where is Peter? He _________ the library.2. He __________ Zhangye many times.3. I _______________ Beijing twice. 4.The twins are nt at hme. They __________ the West Hill Farm.5. Mr Green ___________Beijing fr 2 years.
have been t
has been in
直击考点 Chse the best answer 1. I _______ treasure island twice already. A. am reading B. have read C. was reading D. will read2. _____ has he studied English? ---- Since he came t this sghl. A.Hw far B.Hw ften C.Hw sn D.Hw lng3. What are yu ging t d this weekend? —I _______ yet. A. haven’t decided B. wn’t decide C. have decided D. didn’t decide 4. It __ ten years since we ____in Beijing. A. was, met B. has been, met C. was, meet D. is, meet
5. Jack isn’t here nw. He _______ the cinema. A. has been t B. has gne t C. have been t D. have gne t 6. Hw many times ___ yu ___ t Beijing ? —Three times. A. have, been B. had, been C. have, gne D. had gne7. Julie’s father ______ t Lndn last mnth. He ______ there three times. A. went, had gne B. has gne, has been C. went, has been D. has been, had gne8. she __________ (be) a nurse fr 2 years.
1. 我是一名学生八年了。2. 我们学习英语六年了。3. 我已经完成了我的家庭作业。4. 自从他来到这个学校后，他就教英语。5. 我爸爸从来没去过北京。
I have been a student fr 8 years.
We have studied English since 6 years ag.
I have already finished my hmewrk.
He has taught English since he came t this schl.
my father has never been t Beijing.
1.现在完成时的构成及注意细节。2.现在完成时的句型。3.现在完成时的主要用法（2个）。4.has/have been in has/have been t has/have gne t的用法。5.强化练习，巩固所学。
现在完成时构成:
主语 + have / has + V过去分词
Present perfect tense
现在完成时的构成 注意的细节
• 1. have (has)有人称和数的变化。• 2.主语和have(has)的缩写( I’ve / we’ve yu’ve / they’ve / he’s / she’s / it’s )。• 3. have (has)词性的辨析（助动词和实义 动词）。 He’s ill in hspital. He’s been ill in hspital. I have a bk. I have bught a bk.
1.一般在动词词尾直接加“ ed ”。 wrk---wrked---wrked 2.以“ e ”结尾的动词，在词尾加“ d ”。 live---lived---lived 3.以“辅音字母 + y ”结尾的动词，变“y” 为 “i”，再加“ ed ”。 study---studied---studied 4.重读闭音节结尾，末尾只有一个辅音字母，先 双写该辅音字母，再加“ ed ”。 stp--stpped--stpped
肯定句：主语 + have/ has + V过去分词
否定句: 主语 + haven't ( have nt) +V过去分词 主语 + has't ( have nt) + V过去分词
一般疑问句: Have/Has+主语+V过去分词
I haven’t finished my hmewrk.
Have yu finished yur hmewrk?
I have finished my hmewrk.
1. I have dne my hmewrk.否定句： I _____ _____ my hmewrk.一般疑问句：____ yu ____ yur hmewrk?肯定、否定回答： Yes, ____ _____. N, ____ ______.2. He has seen the film.否定句： He _____ ______ the film.一般疑问句：_____ he ______ the film?肯定、否定回答： Yes, _____ _____. N, _____ _____.
haven't dne
Have dne
I have
I haven't
hasn't seen
Has seen
he has
he hasn't
1.表示过去发生或已经完成的某一动作对现在造成的影响或结果。
He has cleaned the blackbard. (他擦黑板了) 这句话表示的结果是黑板现在是干净的。 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。
现在完成时用法1连用词: already “已经”用于肯定句 yet 用于： 否定句: 句末 “还(没)” 一般疑问句: 句末 “己经” never 否定词 “从来没有” ever “曾经” just “刚刚” befre“以前”（用于现在完成时放 句末）
1. I ____ already _____ (finish)my hmewrk.2. ______ yu ______(read) treasure island yet?3. He __________ (nt find)his pen yet.4. They _____ever ____ (hear)the stry.5. I__________ (nt see) this film befre.6. Lucy ___ never ___ (be) t Beijing.7. He _____ just _____ (eat) breakfast.
have finished
have read
hasn't fund
have heard
haven't seen
has been
has eaten
She has learned English fr 5 years. He has wrked in Beijing since tw years agHw lng has he wrked here? -- Since 1996.
2.表示从过去开始并持续到现在的动作或状态。a.连用词：fr + 一段时间 since + 过去的时间点b.谓语动词使用延续性动词。c.对fr +一段时间/since + 过去的时间点 提问用疑问词：hw lng（多长时间）
时间点和时间段∙时间点： eg: 2006，last Mnday , last night, yesterday , this mrning , ten’clck 等。∙时间段： eg: ten minutes, tw hurs, five days , three weeks, six mnths, ten years等。∙转化：时间段 + ag 可变为时间点 eg: fr three years=since three years ag
填空：用 “fr” / “since” 和动词的正确形式。1. Tm has lived here ______ 2000.2. Sally has learnt English ______ fur years ag. 3. Jack has been away here _____ five minutes.4. We haven't seen each ther ______ a lng time.5. His father has been in this schl ___ 10 years. 6. _________ have yu studied English? ------_____ abut tw years . 7.He __________ (be) a student fr seven __________ (live) here since tw weeks ag. 9.I _____________ (teach) English since 2005.
have taught
拓展延伸：Since常考两种句式
1. It +is/has been+一段时间段+since+从句 （一般过去时） Eg: It is five years since we met last time. Eg:It has been five years since we met last time. 2. 主句（现在完成时）+ since + 从句 （一般过去时） Eg: Mr Green has wrked here since he came t china.
1. It _________ (be) 3 years since I____ (see) yu last time. 2. It _________ (be) 2 weeks since he _____ (buy) the bike.3. I _________ (live) here since I ______ (be) brn.(出生）4. He _________ (teach) English since he ________ (cme) t this schl.
is /has been
is / has been
观察与思考 have been 与have gne
have / has been t 表示曾经到过某地。have / has gne t 表示已经去了某地。have / has been in 意思是“某人在某地”（备注：here / there / hme / abrad 副词前要省略介词in / t）
1.Where is Peter? He _________ the library.2. He __________ Zhangye many times.3. I _______________ Beijing twice. 4.The twins are nt at hme. They __________ the West Hill Farm.5. Mr Green ___________Beijing fr 2 years.
have been t
has been in
直击考点 Chse the best answer 1. I _______ treasure island twice already. A. am reading B. have read C. was reading D. will read2. _____ has he studied English? ---- Since he came t this sghl. A.Hw far B.Hw ften C.Hw sn D.Hw lng3. What are yu ging t d this weekend? —I _______ yet. A. haven’t decided B. wn’t decide C. have decided D. didn’t decide 4. It __ ten years since we ____in Beijing. A. was, met B. has been, met C. was, meet D. is, meet
5. Jack isn’t here nw. He _______ the cinema. A. has been t B. has gne t C. have been t D. have gne t 6. Hw many times ___ yu ___ t Beijing ? —Three times. A. have, been B. had, been C. have, gne D. had gne7. Julie’s father ______ t Lndn last mnth. He ______ there three times. A. went, had gne B. has gne, has been C. went, has been D. has been, had gne8. she __________ (be) a nurse fr 2 years.
1. 我是一名学生八年了。2. 我们学习英语六年了。3. 我已经完成了我的家庭作业。4. 自从他来到这个学校后，他就教英语。5. 我爸爸从来没去过北京。
I have been a student fr 8 years.
We have studied English since 6 years ag.
I have already finished my hmewrk.
He has taught English since he came t this schl.
my father has never been t Beijing.
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