九年级英语：Unit6 When was it invented Section-A-人教版新目标课件

1、When was it invented ? Unit 6Unit 6Do you know some inventions?What are they used for?1a2bWhat is/are used for? Its/Theyre used forA: 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 used for _.(study)studyingA: What is the _ used for

2、?B: It is used for _.(count)countingWhat are they used for?They are used for giving light.light bulbs1971BellA: Who was the telephone invented by?B: It was invented by_.A: When was it invented ?B: I think it was invented in _. I think computer is the most helpful invention. Because it helpsme search

3、 the information that I need. inventionsice cream scoop heat 加热scoopinventionsslippersa batterybatteriesoperate 操作Who were they invented by?What are they used for?adjustable 可调整的operate 操作 heat 加热ListeningListen and number the inventions in the order that you hear.2a312Listen again and fill in the b

4、lanks with the words you hear.2bA: 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 this heated _ _ _.A: I know what its for. Its used for _ out really cold ice c

5、ream. are usedWho by coldicecreamscoopingshoes with adjustable heelsWhat are they?Who were they invented by?Jayce Coziar and Jamie Ellsworthchanging the style of the shoes.What are they used for?Practice:battery-operated slippersJulie Thompsonseeing in the darkWhat are they?Who were they invented by

6、?What are they used for?用“invented” 或 “used 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 _?EXERCISESused forinventedused forinventedinventedA: Look! This looks so interesting! B: Ah, its

7、a great invention of China.A: Really? When _ it _?B: I think it _ _ in Han Dynasty. (汉朝)A: What _ it _ for?B: Guess!A: _ it _ for holding water?B: No. It _ _ for testing earthquakes.A: Wow, its really amazing! wasinventedwasinventedisusedIsusedisusedabacusin the six centuryChinesecalculatingPAIRWORK

8、What telescopeWhen 1609Who GalileoUse watching starse.g Many people speak English.Englishis spokenby many people. 主动语态变被动语态的步骤：1、主动语态的宾语变为被动语态的主语；2、主动句的谓语动词变为被动结构；3、主动句的主语变为被动句的宾语，由by 引出，当不强调动作的执行者时，常省略。4.其它成分不变。变被动语态时需要注意的事项一变二套三注意宾变主，主变宾，宾语前面by跟，谓语动词变过分，不忘前面be动词跟套时态，主被动时态一致注意因人称的变化而引起的主谓一致问题。各种时态的

9、被动语态的构成： 1.一般现在时态 am, is, are +过去分词 2.一般过去时态 was, were +过去分词 3.一般将来时态 will/am.is.are going to + be +过去分词4.过去将来时态 would/was.were going to + be + 过去分词 5.现在完成时态 have, has + been +过去分词 6.过去完成时态 had + been +过去分词 7.现在进行时态 am, is, are + being +过去分词 8.过去进行时态 was, were + being +过去分词 9.含情态动词的 情态动词 + be +过去分词所

10、有时态的被动语态否定就是在 最前面的助动词后加 not疑问就是把最前面的助动词提前。Many trees are not being planted nowAre many trees being planted now?把下列的句子变为被动语态的句子：1、They speak English in Canada .2、People used wood for making tables. 3、They are making computers in the USA.English is spoken in Canada(by them).Wood was used for making ta

11、bles.Computers are being made in the USA.把被动句变否定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 clean our classroom tomorrow.More trees must be planted next year.Our classroom is going to be cleaned tomorrow.Rice has

12、been grown in South China.把被动句变疑问.Has rice been grown in South China？变被动语态的特殊情况一、双宾语buy/make sb sth=buy/make sth for sbgive sb sth=give sth to sb1.My father bought me a computer.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

13、by him.I am given a book by himSth+be+ 过去分词+ for/to sb+ by sb.Sb + be+ 过去分词 sth + by sb二、无to不定式一感 二听三让 四看feellisten to.hearlet.have.makewatch. see.look at. notice变为被动时加上toeg. We often see him play basketball.He is often seen to play basketball by us.The boss made the children work for long.The child

14、ren were made to work for long by the boss.三、注意动词短语的常考到的动词短语有完整性take care oflook afterlisten tospeak toeg. 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、无被动语态的动词。不及物动词及系动词happentake placedierisecome truecome outeg.1. An accident (happen) just now.happened 2. Im sure that my dream .(come true) some day in the future