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人教版 (新课标)选修7&8选修8Unit 2 Cloning教案配套ppt课件
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这是一份人教版 (新课标)选修7&8选修8Unit 2 Cloning教案配套ppt课件，共33页。PPT课件主要包含了不定式被动式讲与练，现在时，完成时，进行时，完成进行时，NOTICE，wash，send，photograph，sell等内容，欢迎下载使用。
1、掌握和应用动词不定式的被动语态。2、活学活用，提升语法理解能力。3、培养解决难题的能力。
首先通过下定义、列表格、举例子等形式让学生们充分理解和掌握动词不定式的语法规则。在此基础上让学生通过观察图片造句子，并填空，活学活用。最后精选一些习题让学生当堂完成，进行检测。
本节课是非谓语动词中的不定式，不定式是高考的重点和难点，也是书面表达中常用的句型，鉴于此，本节课采用讲练结合的形式，力争把不定式这个知识点讲透。
不定式语法 不定式的时态和语态
不定式有时态和语态的变化，时态共四种，即一般式、完成式、进行式和完成进行式。语态分为主动语态和被动语态，如下表所示。
当动词不定式的逻辑主语是动词不定式所表示的动作的执行者时用主动语态；当动词不定式的逻辑主语是动词不定式所表示的动作的承受者时用被动语态。进行式和完成进行式没有被动语态。
一般现在时表示的动词,有时与谓语动词表示的动作同时发生，有时发生在谓语动词的动作之后。 1)He seems t knw this. 2)I hpe t see yu again. = I hpe that I’ll see yu again.
表示的动作发生在谓语动词表示的动作之前。 1) I’m srry t have given yu s muchtruble. 2) He seems t have caught a cld. 强调动作已在延续或动作正在进行。 1)They seem t be getting alng well with their new jbs. 2) He seems t be eating smething.
表示动作是在谓语动词所表示的动作之前就一直在进行。 1)They are said t have been cllecting stamps fr ver twenty years. 2)He appears t have been waiting a lng time.
不定式的被动形式有下列用法:
(1) 作主语： It is an hnur fr me t be asked t speak here.(2) 作宾语： She asked t be sent t wrk in Xinjiang.
一 .当不定式的逻辑主语是不定式所表示的动作的承受者时，不定式一般要采用被动形式。
(3) 构成复合宾语： 1)He wanted the letter t be typed at nce. 2)She didn’t like herself t be praised like that.(4) 构成复合谓语： The bks are nt allwed t be taken ut f the rm.
(5) 作定语：Are yu ging t the meeting t be heldin the teachers’ ffice?(6) 作状语：She was t yung t be assigned suchwrk.
二、不定式有时还可以有完成式的被动式，在句中作主语、宾语、定语，或者构成复合宾语、复合谓语等，如：1)It is a gd thing fr him t have beencriticized.（主语）2)She preferred t have been given heavier wrk t d. (宾语)
3)He thught it an hnur t have beeninvited t the party. （复合宾语）4)The bk is said t have been translatedint many languages. （复合谓语）5)She was the first wman t have been elected t such a pst. （定语）
三、不定式的主动形式表示被动
1. 在there be结构中。例如： 1）There is a lt f hmewrk t d． (也可用t be dne)
2）There is n time t lse (t be lst).
常用的形容词有: easy，difficult，hard，impssible，nice，pleasant，light，heavy，interesting，imprtant，expensive，cheap， fit， dangerus等。
例如： 1）He is hard t cnvince.2）He is an impssible persn t wrk with．
2. 在“n／prn + be + adj + t d”结构中。
3. 在“t…t d; enugh…t…”结构中。例如：1)The prblem is t difficult t wrk ut (t be wrked ut)．2)The huse is big enugh t live in.
4. 在“with+n+t d”结构中。例如： 1)With nthing t d, he lay in bed． 2)With s many exercises t d, I can’t g t the cinema．
5. 当不定式的逻辑主语在句中出现时。 例如： 1）I have a letter t type tday． 2）D yu have anything t say?
(I是t type的逻辑主语)
(yu是t say的逻辑主语)
6. 当不定式隐含在fr sb t d结构中时。1)This is the best bk t read (=fr us／yu t read)． 2)The imprtant thing t d is t lck the dr when we leave the huse．
7. 一些作表语用的不定式的主动形式。常见的这类动词有let(出租), rent,hire, blame等。1)The huse is t let． 2)I felt I was t blame.
动词不定式主动语态形式的使用要比被动语态形式的使用普遍，有时（尤其在口语中）虽然意思上是被动的，也往往用主动语态形式来表示。例如：1）I have three mtrs t repair tday.2）The task is difficult t finish n time.
1. The dishes need
2. The mail is intended
Sentence making
t be washed.
t be sent.
3. The singer refused
4. The huse is
t be phtgraphed.
5. The wall is expected
t be painted.
6. The bird seems
t be frightened.
1. She hates ________________ by her classmates.2. Tim refused _________________ by his father t schl. 3. She struggled _______________ by the French visitrs.
t be accmpanied
t be understd
Fill in the blanks
accmpany understand envylaughed at discuss test
t be laughed at
4. These are the issues ______________ tmrrw.5. The new drug is ___________ ut n 500 patients next year.6. She was very beautiful but she didn’t like ___________ by all the girls she met.
t be tested
t be envied
t be discussed
1. Old McDnald gave up smking fr a while, but sn ___ t his ld ways. A. returned B. returns C. was returning D. had returned In sme parts f the wrld, tea ____ with milk and sugar. A. is serving B. is served C. serves D. served
3. The new dictinaries are very useful. They ____ well and _______ already. A. sell, have been sld ut B. sld, had sld ut C. sell, sell ut D. are sld, have been sld ut4. The train ____ arrive at 11:30, but it was an hur late. A. was abut t B. was likely t C. was suppsed t D. was certain t
5. This dictinary mustn’t ____ frm the library. A. take away B. taken away C. are taken away D. be taken away6. My shes ____ . I went ut fr a new pair. A. is wrn ut B. wre ut C. were wrn ff D. were wrn ut
7. That kind f shirts __ cttn. A. is made frm B. are made frm C. is made f D. are made f8. Rice ___ in Suth China. A. grwing B. is grwn C. are grwn D. is grw
9. All the preparatins fr the task ______, and we’re ready t start. A. cmpleted B. cmplete C. had been cmpleted D. have been cmpleted
10. The teacher tld his students that they ____ t be useful men t the cuntry. A. were all expected B. were all expecting C. all were expected D. all expected
11. Sme f the htels in my hmetwn _______. A. have nw been rebuilding B. are nw rebuilding C. are nw being rebuilt D. are rebuilt nw
1、掌握和应用动词不定式的被动语态。2、活学活用，提升语法理解能力。3、培养解决难题的能力。
首先通过下定义、列表格、举例子等形式让学生们充分理解和掌握动词不定式的语法规则。在此基础上让学生通过观察图片造句子，并填空，活学活用。最后精选一些习题让学生当堂完成，进行检测。
本节课是非谓语动词中的不定式，不定式是高考的重点和难点，也是书面表达中常用的句型，鉴于此，本节课采用讲练结合的形式，力争把不定式这个知识点讲透。
不定式语法 不定式的时态和语态
不定式有时态和语态的变化，时态共四种，即一般式、完成式、进行式和完成进行式。语态分为主动语态和被动语态，如下表所示。
当动词不定式的逻辑主语是动词不定式所表示的动作的执行者时用主动语态；当动词不定式的逻辑主语是动词不定式所表示的动作的承受者时用被动语态。进行式和完成进行式没有被动语态。
一般现在时表示的动词,有时与谓语动词表示的动作同时发生，有时发生在谓语动词的动作之后。 1)He seems t knw this. 2)I hpe t see yu again. = I hpe that I’ll see yu again.
表示的动作发生在谓语动词表示的动作之前。 1) I’m srry t have given yu s muchtruble. 2) He seems t have caught a cld. 强调动作已在延续或动作正在进行。 1)They seem t be getting alng well with their new jbs. 2) He seems t be eating smething.
表示动作是在谓语动词所表示的动作之前就一直在进行。 1)They are said t have been cllecting stamps fr ver twenty years. 2)He appears t have been waiting a lng time.
不定式的被动形式有下列用法:
(1) 作主语： It is an hnur fr me t be asked t speak here.(2) 作宾语： She asked t be sent t wrk in Xinjiang.
一 .当不定式的逻辑主语是不定式所表示的动作的承受者时，不定式一般要采用被动形式。
(3) 构成复合宾语： 1)He wanted the letter t be typed at nce. 2)She didn’t like herself t be praised like that.(4) 构成复合谓语： The bks are nt allwed t be taken ut f the rm.
(5) 作定语：Are yu ging t the meeting t be heldin the teachers’ ffice?(6) 作状语：She was t yung t be assigned suchwrk.
二、不定式有时还可以有完成式的被动式，在句中作主语、宾语、定语，或者构成复合宾语、复合谓语等，如：1)It is a gd thing fr him t have beencriticized.（主语）2)She preferred t have been given heavier wrk t d. (宾语)
3)He thught it an hnur t have beeninvited t the party. （复合宾语）4)The bk is said t have been translatedint many languages. （复合谓语）5)She was the first wman t have been elected t such a pst. （定语）
三、不定式的主动形式表示被动
1. 在there be结构中。例如： 1）There is a lt f hmewrk t d． (也可用t be dne)
2）There is n time t lse (t be lst).
常用的形容词有: easy，difficult，hard，impssible，nice，pleasant，light，heavy，interesting，imprtant，expensive，cheap， fit， dangerus等。
例如： 1）He is hard t cnvince.2）He is an impssible persn t wrk with．
2. 在“n／prn + be + adj + t d”结构中。
3. 在“t…t d; enugh…t…”结构中。例如：1)The prblem is t difficult t wrk ut (t be wrked ut)．2)The huse is big enugh t live in.
4. 在“with+n+t d”结构中。例如： 1)With nthing t d, he lay in bed． 2)With s many exercises t d, I can’t g t the cinema．
5. 当不定式的逻辑主语在句中出现时。 例如： 1）I have a letter t type tday． 2）D yu have anything t say?
(I是t type的逻辑主语)
(yu是t say的逻辑主语)
6. 当不定式隐含在fr sb t d结构中时。1)This is the best bk t read (=fr us／yu t read)． 2)The imprtant thing t d is t lck the dr when we leave the huse．
7. 一些作表语用的不定式的主动形式。常见的这类动词有let(出租), rent,hire, blame等。1)The huse is t let． 2)I felt I was t blame.
动词不定式主动语态形式的使用要比被动语态形式的使用普遍，有时（尤其在口语中）虽然意思上是被动的，也往往用主动语态形式来表示。例如：1）I have three mtrs t repair tday.2）The task is difficult t finish n time.
1. The dishes need
2. The mail is intended
Sentence making
t be washed.
t be sent.
3. The singer refused
4. The huse is
t be phtgraphed.
5. The wall is expected
t be painted.
6. The bird seems
t be frightened.
1. She hates ________________ by her classmates.2. Tim refused _________________ by his father t schl. 3. She struggled _______________ by the French visitrs.
t be accmpanied
t be understd
Fill in the blanks
accmpany understand envylaughed at discuss test
t be laughed at
4. These are the issues ______________ tmrrw.5. The new drug is ___________ ut n 500 patients next year.6. She was very beautiful but she didn’t like ___________ by all the girls she met.
t be tested
t be envied
t be discussed
1. Old McDnald gave up smking fr a while, but sn ___ t his ld ways. A. returned B. returns C. was returning D. had returned In sme parts f the wrld, tea ____ with milk and sugar. A. is serving B. is served C. serves D. served
3. The new dictinaries are very useful. They ____ well and _______ already. A. sell, have been sld ut B. sld, had sld ut C. sell, sell ut D. are sld, have been sld ut4. The train ____ arrive at 11:30, but it was an hur late. A. was abut t B. was likely t C. was suppsed t D. was certain t
5. This dictinary mustn’t ____ frm the library. A. take away B. taken away C. are taken away D. be taken away6. My shes ____ . I went ut fr a new pair. A. is wrn ut B. wre ut C. were wrn ff D. were wrn ut
7. That kind f shirts __ cttn. A. is made frm B. are made frm C. is made f D. are made f8. Rice ___ in Suth China. A. grwing B. is grwn C. are grwn D. is grw
9. All the preparatins fr the task ______, and we’re ready t start. A. cmpleted B. cmplete C. had been cmpleted D. have been cmpleted
10. The teacher tld his students that they ____ t be useful men t the cuntry. A. were all expected B. were all expecting C. all were expected D. all expected
11. Sme f the htels in my hmetwn _______. A. have nw been rebuilding B. are nw rebuilding C. are nw being rebuilt D. are rebuilt nw
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