新目標(biāo)英語(yǔ)九年級(jí)第九單元第一課時(shí)課件_2

1、Unit 9 When was it invented? period one mikhray,Go for it ! Grade 9,Four great inventions of China,Cai Lun invented the paper making in 105 .,invented,the paper making,in 105 .,Cai Lun,The paper making,was,by,invention,invent,inventor,Task 1: Guess: Which one was invented earlier and which one was i

2、nvented later.,A: I think the was invented before the B: Well, I think the was invented after the ,calculator,Task 2: Listen and find out the dates of the inventions.,The was invented in ,1885,1876,1971,1976,1927,Do you remember?,A: When was the invented? B: It was invented in ,-Who was the paper ma

3、king invented by (in 105)?,-It was invented by Cai Lun.,The paper making was invented by Cai Lun in 105.,Task 3: Lets guess who invented it .,A: Who was the invented by? B: I think it was invented by ,car computer telephone light bulb,Steve Jobs and Steve Wozniak Edison Karl Benz Bell,Task 4: Do you

4、 know what they are used for? Lets match them to the uses!,1.talking with the person who isnt near 2.traveling 3.cooking 4.eating food 5.keeping away from the rain 6.waking us up,The is/are used for ing.,-What is/are the used for? -It is /They are used for ing.,Task 5: Work in pairs to talk about th

5、e uses of the things around us. You can talk about the things below if you want.,Task 6: Lets know more inventions.,A: When was/were the invented? B: It was/They were invented in ,A: Who was/were the invented by? B: It was/They were invented by ,A: What is/are the used for? B: It is /They are used f

6、or ing.,Task 7: 4 students a group to report: introduce an invention including its inventor/date and uses.,SUMMARY: .被動(dòng)語(yǔ)態(tài)的構(gòu)成:,1.be+過(guò)去分詞+by+(動(dòng)作執(zhí)行者). 2.被動(dòng)語(yǔ)態(tài)句子的時(shí)態(tài)由be的時(shí)態(tài)決定,be后的過(guò)去分詞不隨之改變. 3.否定句:在be后加not. 4.疑問(wèn)句:把be提前.,SUMMARY: .主動(dòng)語(yǔ)態(tài)變被動(dòng)語(yǔ)態(tài):,1.主動(dòng)語(yǔ)態(tài)的賓語(yǔ) 被動(dòng)語(yǔ)態(tài)的主語(yǔ). 2.主動(dòng)語(yǔ)態(tài)的動(dòng)詞 be+該動(dòng)詞的過(guò)去分詞 (作被動(dòng)語(yǔ)態(tài)的謂語(yǔ)). be按人稱變化,但時(shí)態(tài)不變.

7、 3.主動(dòng)語(yǔ)態(tài)的主語(yǔ) by+該主語(yǔ)(放在被動(dòng)語(yǔ)態(tài)的句尾,可以省略). 若原主語(yǔ)是代詞放在be后要變?yōu)槠滟e格形式.,被動(dòng)語(yǔ)態(tài)專項(xiàng)練習(xí) .據(jù)劃線部分提問(wèn) 1.Glasses were invented in1450. 2.The bottle machine was invented by Michael Owens . 3.Dictionaries are used for looking up words.,When were glasses invented?,Who was the bottle machine invented by?,What are dictionaries used

8、 for ?,.用所給詞的適當(dāng)形式填空: 1._ a new library _ in our school last year? (build) 2.They _ to school. (take) 3.-When _ these computers _in this school? -Last year. (use) 4.The Great Wall _ all over the world. 5.I _ in summer. (bear) (know) 6.Who _ this book _ by? (write) 7.Older people _ well. (must, look a

9、fter),Was built,were taken,were used,was known,was born,was written,must be looked after,.將下列句子變?yōu)楸粍?dòng)語(yǔ)態(tài)，每空一詞。 We can finish the work in two days. The work _ _ _ in two days. 2. The children will sing an English song. An English song _ _ _ by the children. 3.They use knives for cutting things. Knives _ _ for cutting things. 4.Lucy sent me a New Year Card last week. A New Year Card _ _ _ her by me last week. 5.We clean the classroom every day. The classroom _ _ every day.,can be finished,will be sung,are used,was sent to,was cleaned,Homework: 根據(jù)你所掌握的材料寫(xiě)一個(gè)短文.介紹一個(gè)你認(rèn)為最有用/最有趣/最的發(fā)明.,1.題目 The