高中英語 Unit2《Robots》Period （4）教案 新人教版選修7

1、英語：Unit2RobotsPeriod 4教案（新人教版選修7）Teaching aims1Revise the passive voice(including the infinitive) and know the exact meaning of the structure.2Be able to use the useful words，expressions and structures correctly.Teaching proceduresStep 1RevisionAsk students to answer the following questions without

2、referring to the textbook.1What was going to be tested out by Larry's wife，Claire?2How did Larry Belmont finally persuade his wife to accept the experiment?3How did Claire feel when she was offered sympathy by a robot?4What did Tony expect to do about the house before he was to leave and Larry w

3、as to return?5How did Claire feel when she was envied by those women?6What happened to Tony at last?Suggested answers：1The robot was going to be tested out by Larry's wife，Claire.2Larry persuaded her that the robot wouldn't harm her or allow her to be harmed.3She thought it was ridiculous to

4、 be offered sympathy by a robot.4Tony expected the house to be completely transformed.5She felt it a sweet victory to be envied by those women.6Tony had to be rebuilt.Step 2Grammar learning1不定式的被動形式當(dāng)不定式與邏輯主語之間是被動關(guān)系時，即不定式的邏輯主語是不定式所表示動作的承受者，不定式一般要用被動形式。其被動式可以分為兩種：一般式和完成式。(1)一般式：to be done，表示不定式動作在謂語動詞

5、之后或者同時發(fā)生。It is a great honor_to_be_invited_to speak here.很榮幸被邀請?jiān)谶@里講話。The novel is said_to_be_published_next month.據(jù)說這本小說下月要出版。(2)完成式：to have been done，表示不定式動作發(fā)生在謂語動詞之前。The book is said to_have_been_translated_into six languages.這本書據(jù)說已經(jīng)被翻譯成六種語言。The boss preferred_to_have_been_given_more work to do.老板

6、寧愿被分給更多的工作做。被動一般式to be done完成式to have been done2.不定式被動形式的作用(1)作主語It's an honor to_be_invited to the ceremony.很榮幸被邀請赴宴。It's a pity to_be_kept in the house in such fine weather.在這樣好的天氣被關(guān)在家里真是遺憾。(2)作表語The letter is_to_be_sent_by airmail.這封信箋要空郵。(3)作賓語She didn't like to_be_treated as a child

7、.她不喜歡被當(dāng)成孩子。The boy asked to_be_given an opportunity to try again.那男孩要求給他再試一次的機(jī)會。(4)作賓語補(bǔ)足語I'd like my bedroom to_be_cleaned.我想整理一下我的臥室。(5)作定語He was the last one_to_be_asked to speak at the meeting.他是最后一個在會上被邀請發(fā)言的人。(6)作狀語His mother left the small village，never_to_be_seen again.他母親離開了那個小山村，再也沒有人見過她

8、。3不定式有些要注意的地方(1)感官動詞和一些使役動詞的不定式的主動形式要省去to，但在變成被動語態(tài)后需要加上to，能這樣用的動詞或動詞詞組有：make，have，let，see，hear，notice，listen to，watch等。如：We often see him act like that.He is often seen to act like that.我們常?？吹剿菢幼?。(2)在can't help but，have nothing to do but結(jié)構(gòu)中，介詞but后的不定式省去to。如：I can't_help_but suspect his moti

9、ve.我不禁懷疑起他的動機(jī)。I have_nothing_to_do_but_watch TV.我沒什么事情可做，除了看電視。(3)不定式有時要用主動形式表示被動意義形容詞以及含有形容詞的名詞后的不定式，一般用主動形式表示被動意義，其中形容詞常見的有easy，difficult，important，impossible等。如：The work is impossible_to_finish in two days.工作不可能兩天之內(nèi)完成。 English is not so easy_to_learn.英語并不好學(xué)。一些固定用法，如“挨罵，受責(zé)備，受批評” 用be to blame；“(東西等

10、)出租”用to let。He is to blame for what he has done.他應(yīng)為他所做的受責(zé)備。The house is to let.房子要出租。Step 3Exercises1The crowd cheered wildly at the sight of Liu Xiang，who was reported _ the world record in the 110meter hurdle race.Abreaking Bhaving brokenCto have broken Dto break2I like getting up very early in su

11、mmer.The morning air is so good _.Ato be breathed Bto breathe Cbreathing Dbeing breathed3_ the project as planned，we'll have to work two more hours a day.ACompleting BComplete CCompleted DTo complete4Having a trip abroad is certainly good for the old couple，but it remains_ whether they will enjo

12、y it.Ato see Bto be seen Cseeing Dseen5I hurried to the meeting hall，only_ that the meeting had been put off.Ato tell Bto be told Ctelling Dtold6Do let your mother know all the truth；she appears_ everything.Ato tell Bto be told Cto be telling Dto have been told7Little Tom should love_ to the theater

13、 this evening.Ato be taken Bto take Cbeing taken Dtaking8It is said that plastics can be used to_ many things.Now people are used to_ plastics products.Amake；using Bmaking；using Cmaking；use Dmake；use9With a lot of problems_，the newlyelected president is having a hard time.Asettled Bsettling Cto sett

14、le Dbeing settledKeys：15 CBDBB69 DAACStep 4DrillingAsk students to do Exercise 1 on Page 14 and then check the answers together.Keys：Exercise 1be tested out，be harmed，be offered，was amazed，was not allowed，be discovered，be completely transformed，were impressed，be envied，be rebuiltAsk students to do E

15、xercise 2 and then check the answers together.Keys：Exercise 21to be designed2.to be rebuilt3.to be accompanied4.to be known as5.to be filled with6.to be tested out7.to be envied8.to be set asideStep 5Using the passive infinitiveTranslate the following sentences into English using the passive infinit

16、ive.1那本關(guān)于圣經(jīng)的書需要在這個周末之前還給圖書館。2下周末前，這個舊扶手椅將由一個沙發(fā)代替。3不要著急，你有足夠的時間把那個傳真發(fā)到你的公司。4你同妻子離婚的決定必須要得到她的同意。5剛剛出了一起事故，不過沒有必要驚慌，沒有人受傷。6雖然她考得不錯，但是她預(yù)料父母還是會對考試的結(jié)果感到失望。7當(dāng)在醫(yī)院進(jìn)行大手術(shù)的時候，她得到了家人的關(guān)愛和支持，為此她感到非常高興。8他為自己被宣布成為智力競賽冠軍得主的事感到十分興奮。9他把他們已經(jīng)得到的2000元與將提供的1500元加在一起，總共3500元。10沒有主力隊(duì)員的參與，他們一定會在即將到來的比賽中被打敗。Suggested answers：1

17、That book on the Holy Bible needs to be returned to the library by/before the end of the week.2That old armchair is to be replaced by a sofa next week.3Don't worryyou still have plenty of time for that fax to be sent to your company.4Your decision to divorce your wife has to be made with her agr

18、eement.5There has been an accident but there is no need to be alarmed.Nobody has been hurt.6Although she had done well，she expected her parents to be disappointed by her exam results.7She was happy to be supported by the affection of her family when she had a serious operation in hospital.8He was so excited to be declared the