When_was_it_invented_Section_A2課時課件_人教版新.ppt

1、When was it invented ?,Unit 9,What is/are used for? Its/Theyre used for,A: When was the _ invented? B: I think it was invented in _.,Pairwork (1c:P68),1976,1885,1876,1927,1971,A: What is the _ used for? B: It is used for _.,talking with people,(talk with people),A: What is the _ used for? B: It is u

2、sed for _.,(study),studying,A: What is the _ used for? B: It is used for _.,(count),counting,What are they used for?,They are used for giving light.,light bulbs,Who invented the car?,_ invented the car.,Karl Benz,Karl Benz,The car_ _ by_.,was invented him,1885,When was it invented ?,was invented,197

3、1,It_ _ in _.,1971,Bell,A: Who was the telephone invented by?,B: It was invented by_.,A: When was it invented ?,B: I think it was invented in _.,alarm clock,Its an annoying invention. Because it wakes me up when Im sleeping.,I think computer is the most helpful invention. Because it helps me search

4、the information that I need.,inventions,high heels,adjustable heels,adjustable 可調(diào)整的,inventions,ice cream scoop,heat 加熱,scoop,inventions,slippers,a battery,batteries,operate 操作,Who were they invented by? What are they used for?,adjustable 可調(diào)整的,operate 操作,heat 加熱,Listening,Listen and number the invent

5、ions in the order that you hear.,2a,3,1,2,Listen again and fill in the blanks with the words you hear.,2b,A: What are those ?,B: They are battery operated slippers.,A: _ are they used for ?,What,B: They _ _ for seeing in the dark.,A: Thats cool! _ were they invented _?,B: Julie Thompson. And look at

6、 this heated _ _ _.,A: I know what its for. Its used for _,out really cold ice cream.,are,used,Who,by,cold,ice,cream,scooping,B: Right. It _ _ by Chelsea,A: My favorite are those shoes with,_ heels. You know you can move the heels _and_,up,down.,They were invented _ Jayce Coziar,and Jamie Ellsworth.

7、,was,invented,adjustable,by,B: And what are they used for?,A: Well, you can change the _ of your shoes. You can _the shoes go,from casual to dressy.,Lanmon,style,make,shoes with adjustable heels,What are they?,Who were they invented by?,Jayce Coziar and Jamie Ellsworth,changing the style of the shoe

8、s.,What are they used for?,Practice:,battery-operated slippers,Julie Thompson,seeing in the dark,What are they?,Who were they invented by?,What are they used for?,heated ice cream scoop,Chelsea Lanmon,scooping cold ice cream,What is it?,Who was it invented by?,What is it used for?,用“invented” 或 “use

9、d for”填空. 1. What are electric slippers _? 2. Who were shoes with adjustable heels _ by? 3. When was tea _? 4. What are microwave ovens _? 5. When were potato chips _?,EXERCISES,used for,invented,used for,invented,invented,A: Look! This looks so interesting! B: Ah, its a great invention of China. A:

10、 Really? When _ it _? B: I think it _ _ in Han Dynasty. (漢朝) A: What _ it _ for? B: Guess! A: _ it _ for holding water? B: No. It _ _ for testing earthquakes. A: Wow, its really amazing!,was,invented,was,invented,is,used,Is,used,is,used,abacus in the six century Chinese calculating,PAIRWORK,What tel

11、escope When 1609 Who Galileo Use watching stars,.主動語態(tài)與被動語態(tài)： 英語動詞有兩種語態(tài),即主動語態(tài)(The Active Voice)與被動語態(tài)（The Passive Voice)。 主動語態(tài)表示主語是動作的執(zhí)行者; 被動語態(tài)表示主語是動作的承受者。,主動語態(tài),被動語態(tài),主動語態(tài),被動語態(tài),e.g Many people speak English.,主動語態(tài)變被動語態(tài)的步驟： 1、主動語態(tài)的賓語變?yōu)楸粍诱Z態(tài)的主語； 2、主動句的謂語動詞變?yōu)楸粍咏Y(jié)構(gòu)； 3、主動句的主語變?yōu)楸粍泳涞馁e語，由by 引出，當(dāng)不強(qiáng)調(diào)動作的執(zhí)行者時，常省略。 4.其

12、它成分不變。,變被動語態(tài)時需要注意的事項(xiàng),一變 二套 三注意,賓變主，主變賓，賓語前面by跟，謂語動詞變過分，不忘前面be動詞跟,套時態(tài)，主被動時態(tài)一致,注意因人稱的變化而引起的主謂一致問題。,各種時態(tài)的被動語態(tài)的構(gòu)成：,1.一般現(xiàn)在時態(tài) am, is, are +過去分詞 2.一般過去時態(tài) was, were +過去分詞 3.一般將來時態(tài) will/am.is.are going to + be +過去分詞 4.過去將來時態(tài) would/was.were going to + be + 過去分詞 5.現(xiàn)在完成時態(tài) have, has + been +過去分詞 6.過去完成時態(tài) had + b

13、een +過去分詞 7.現(xiàn)在進(jìn)行時態(tài) am, is, are + being +過去分詞 8.過去進(jìn)行時態(tài) was, were + being +過去分詞 9.含情態(tài)動詞的 情態(tài)動詞 + be +過去分詞,所有時態(tài)的被動語態(tài)否定就是在 最前面的助動詞后加 not 疑問就是把最前面的助動詞提前。,Many trees are not being planted now,Are many trees being planted now?,把下列的句子變?yōu)楸粍诱Z態(tài)的句子： 1、They speak English in Canada . 2、People used wood for making t

14、ables. 3、They are making computers in the USA.,English is spoken in Canada(by them).,Wood was used for making tables.,Computers are being made in the USA.,把被動句變否定,Computers arent being made in the USA.,4、They have grown rice in South China. 5. We must plant more trees next year. 6.I am going to clea

15、n our classroom tomorrow.,More trees must be planted next year.,Our classroom is going to be cleaned tomorrow.,Rice has been grown in South China.,把被動句變疑問.,Has rice been grown in South China？,變被動語態(tài)的特殊情況,一、雙賓語,buy/make sb sth,=buy/make sth for sb,give sb sth,=give sth to sb,1.My father bought me a co

16、mputer.,A computer was bought for me by my father.,I was bought a computer by my father.,2.He gives me a book.,A book is given to me by him.,I am given a book by him,Sth+be+ 過去分詞+ for/to sb+ by sb.,Sb + be+ 過去分詞 sth + by sb,二、無to不定式,一感 二聽 三讓 四看,feel,listen to.hear,let.have.make,watch. see.look at. n

17、otice,變?yōu)楸粍訒r加上to,eg. We often see him play basketball.,He is often seen to play basketball by us.,The boss made the children work for long.,The children were made to work for long by the boss.,三、注意動詞短語的,常考到的動詞短語有,完整性,take care of,look after,listen to,speak to,eg. 1.We should speak to the old politely.,The old should be spoken to politely.,2. The nurse takes good care of the baby.,The baby is taken good care of by the nurse.,四、無被動語態(tài)的動詞。,不及物動詞及系動詞,happen,take place,die,rise,come true,come out,eg.1. An accident (happen) just now.,happened,2. Im sure that my dream .