人教版九年级英语上册《Unit 7 Section A 4c》教学课件PPT初三优秀公开课

1、Unit 7 Section A Grammar Focus-4c人教版 英语 九年级 上册 To understand the grammar should be allowed to do. To practice the passive voice. If you like, you can do more exercises.cry all nightstay by ones side sleep in warm arms run through the field make surekeep sb. from danger give sb. a huglift up talk bac

2、k整夜整夜哭哭待在某人身待在某人身边边 睡在温暖的臂睡在温暖的臂弯弯 里里 穿过田穿过田野野确定；确确定；确保保 使使某人远离某人远离危危险险 拥抱某拥抱某人人 举举起，起，提提 起起 回嘴回嘴； 顶顶嘴嘴Translate the phrases.watch scary movies give sb. awful dreams be back by tenthink back to those times cough for dayshave scary dreams be late for school stay outregret doing sth.看恐怖电看恐怖电影影 带带给某人给某

3、人恶恶梦梦 在在10点点前前 回回来来 回想回想那那 些时些时光光 咳咳嗽嗽 好几好几天天 做做可可 怕的怕的梦梦 上上学学 迟迟到到待在外面；不待在外面；不回回 家家 后悔做过某后悔做过某事事What can you do at school? What cant you do at school?Do you agree or disagree?I think students should be allowed to do homework with friends.Sixteen-year-olds should not be allowed to drive.Do you think

4、 sixteen-year-olds should be allowed to choose their own clothes?Look at these sentences.含情态动词的被动语含情态动词的被动语态态肯定句肯定句: 主语主语+ 情态动词情态动词+be+ 动词过去分词动词过去分词.否定句否定句: 主语主语+情态动词情态动词+not+ be+动词过去分词动词过去分词.疑问句疑问句: 情态动词情态动词+ 主语主语+ be+ 动词过去分词动词过去分词?(一一)将主动语态的宾语变成被动语态的主语将主动语态的宾语变成被动语态的主语。(二二)将含情态动词的主动句式变成被动句式，即将含情态动

5、词的主动句式变成被动句式，即： “情态动词情态动词+动词原形动词原形”变成变成“情态动词情态动词+be+过去过去分分 词词”，然后再在其后加，然后再在其后加“by+主动句中的主语主动句中的主语(人人称称 代代 词用宾格词用宾格)”。by短语也可省略短语也可省略。请看下列各句请看下列各句：转变方转变方法法1. You should finish your homework first.Your homework should be finished (by you) first.2. You can take this magazine home.This magazine can be tak

6、en home (by you).Grammar FocusI dont think 16-year-olds should be allowed to drive.I agree. They arent serious enough.Do you think teenagers should be encouraged to make their own decisions?No, I dont agree with this.Teenagers are too young to make their own decisions.Teenagers should not be allowed

7、 to have part-time jobs.I disagree.They can learn a lot from working.Do you think we may be allowed to take photos if we dont use a flash?If you dont use a flash, then it may be okay.1. I dont think 16-year-olds should be allowed to drive.4. Do you think we may be allowed to take photos if we dont u

8、se a flash?A. I disagree.They can learn a lot from working.B. If you dont use a flash, then it may be okay.C. I agree. They arent serious enough.D.No, I dont agree with this. Teenagers are too young to make their own decisions.C2. Do you think teenagers should be encouraged to makeDtheir own decisio

9、ns?3. Teenagers should not be allowed to have part-time jobs.ABPractice the grammar含情态动词的被动语含情态动词的被动语态态can, could (能；会能；会), may; might ( 可可 以以 ) must(必须必须), should(应该应该), will; would(愿意愿意) have to(必须；不得不必须；不得不), had better(最好最好)1.含情态动词含情态动词should的被动语态结构式的被动语态结构式：should + be+及物动词的过去分词及物动词的过去分词。(1)肯定句

10、结构为：主语肯定句结构为：主语+should be+及物动词的及物动词的过过 去分词去分词+ (by+宾语宾语)。eg: 你应该自己完成作业你应该自己完成作业。Your homework should be finished byyourself.含情态动词含情态动词should的被动的被动语语 态态(2)否定结构为：主语否定结构为：主语+ should + not+ be +及物动及物动词词 的过去分词的过去分词+ (by+宾语宾语)。eg：不应该允许青少年晚上外出不应该允许青少年晚上外出。Teenagers should not be allowed to go out at night.

11、 (3)特殊疑问句结构为特殊疑问句结构为:疑问词疑问词+一般疑问句一般疑问句？eg：应该允许学生们做什么应该允许学生们做什么？What should students be allowed to do?(4)一般疑问句结构为一般疑问句结构为:Should +主语主语+ be+及物及物动动 词词 的过去分词的过去分词+ (by+宾语宾语)？回答回答:Yes，主语主语+should./No，主主语语 + shouldnt. eg:这些小树应该每天浇水吗这些小树应该每天浇水吗？Should these young trees be watered every day? Yes, they shoul

12、d. /No, they shouldnt.对，应该。对，应该。/不，不应该不，不应该。We should allow teenagers to watch TV on Sunday.Teenagers should be allowed to watch TV on Sunday( by us).People may catch fish in the river.Fish may be caught in the river (by people).1.I can finish the work.The work can be finished by me.一般问句一般问句：Can the

13、 work be finished by you?2.We should plant many more trees.Many more trees should be planted by us.一般问句一般问句：Should many more trees be planted by us?3.Parents should allow teenagers to drive the car.Teenagers should be allowed to drive the car .一般问句一般问句：Should teenagers be allowed to drive the car ?4

14、.They must water trees every day. Trees must be watered every day.一般问句一般问句：Must trees be watered every day?1.Sixteen-year-olds should be allowed to drive. (改为否定句改为否定句)Sixteen-year-olds shouldnt be allowed to drive.2.I think the work should be done at once. (改为改为否定句否定句)I dont think the work should be

15、 done at once. Teenagers should be allowed to choose their own clothes.应该允许青少年选择他们自己的服装应该允许青少年选择他们自己的服装。 Students should not be allowed to have part-time jobs.不应该允许学生们做兼职工作不应该允许学生们做兼职工作。 Can these books be taken out of the reading room?可以把这些书带出阅览室吗可以把这些书带出阅览室吗？ When must the work be finished?这些工作必须什

16、么时候完成这些工作必须什么时候完成？instead?1.You must clean your bedroom every day.Your bedroom must be cleaned every day.2.Parents should encourage teenagers to do social work for their community.Teenagers should be encouraged (by their parents) to3d. CoasnoLc iuaclywdoor kh efrohrotmh eeiwroc or km mt o muon irtr

17、oyw.Can the homework be done (by Lucy) tomorrow instead?4a Rewrite the sentences according to the example.4.Do you think we must keep teenagers away from the Internet?Do you think teenagers must be kept away from the Internet?5.Parents should give teenagers chances to make their own decisions.Teenag

18、ers should be given chances to make their own decisions.4b Fill in the blanks with the correct forms of the words in brackets.The keysare allowed starttakebe askedbe educated move continue4c You and your friend are starting an English Club.Make a list of rules about what should and should not be all

19、owed.Sample Dialogue 1A: Members should beallowed to use dictionaries.B: Yes, but they should only use English- English dictionaries.1. Members are allowed to use English-English dictionaries.A: Members shouldnt be allowed to speak Chinese.B: I agree. Only in this way can you improve your English.Sa

20、mple Dialogue 2.按要求完成下列各句。按要求完成下列各句。1. We must do the work right now. (改为被动语态改为被动语态)_Th_e_ _w_o_r_k mustbedoneright now.2. Teenagers should be allowed to go out with their friends on school nights. (改为否定改为否定句句 )their friends on school nights.3. A book should be read each month. (改为一般疑问句改为一般疑问句)Teena

21、gers s h o_u_l d_n t b_eto go out witha_l_o_w_e_dS_h_o_u_l da book be readeach month?4.4.你可以稍后考试你可以稍后考试。You can t_a_k_e thetestlater.5.5.这项工作必须按时完成这项工作必须按时完成。The work must _ _b_ _e f_ _in_ _is_ _h_ _e_ _don time.6.6.应允许青少年培养自己的爱好应允许青少年培养自己的爱好。 Teenagers _ _s_ _h_ _o_ _u_ _l db_ _ealol wedto develop

22、their own hobbies.(finish) by four oclock.1. Their work must _b_e_f_i_n_i s_h_e_d2. Your homework should b_e_d_o_n_e(do) by yourself.3. These books mustnt b_e_t_a_k_e_n_(take) out of the reading room.4. Should these food b_e_k_e_p_t(keep) dry?II. 用所给词的适当形式填空。用所给词的适当形式填空。. 句型转换。句型转换。3. You must return the book on time. (改为被动语态的一改为被动语态的一般般 疑问句形式疑问句形式)1.You should make up the bed every day. (改为被动语态改为被动语态 ) The bed shou ldb_e_ma_d_e up every day.2.We cant