新目標(biāo)英語九年級第九單元第一課時(shí)課件

1、Unit 9 When was it invented?Unit 9 When was it invented?Section A -1Section A -1宋海燕宋海燕Class 3 Grade 3, No.13 Middle SchoolClass 3 Grade 3, No.13 Middle School Go for it !Go for it ! Grade 9 Grade 9Four great inventions of Chinagun powderpaper makingprintingcompasspaper makingpaper Cai Lun invented t

2、he paper making in 105 .invented the paper making in 105 .Cai Lun The paper makingwasby inventioninvent inventor Task 1: Guess: Which one was invented earlier Task 1: Guess: Which one was invented earlier and which one was invented later. which one was invented later. A: I think the was invented bef

3、ore the B: Well, I think the was invented after the calculatorTask 2: Listen and find out the dates of the inventions.Task 2: Listen and find out the dates of the inventions.The was invented in 18851876197119761927acbedDo you remember?Do you remember?A: When was the invented?A: When was the invented

4、?B: It was invented in B: It was invented in paper makingpaper -Who was the paper making 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 .Task 3: Lets guess who invented it .A: Who was the invented by?B: I think it w

5、as invented by car computertelephonelight bulbSteve Jobs and Steve WozniakEdisonKarl BenzBellTask 4: Do you know what they Task 4: Do you know what they are used for? used for? Lets match them to the uses!Lets match them to the uses!1.talking with the person who isnt ing3.cooking4.eating

6、 food5.keeping away from the rain6.waking us upThe is/are used for ing.-What is/are the used for?-It is /They are used for ing.Task 5: Work in pairsTask 5: Work in pairs to talk aboutto talk about the uses of the things the uses of the things around us. You can talk about the things below if you wan

7、t.around us. You can talk about the things below if you want.Task 6: Lets know more inventions.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 ar

8、e used for ing.Task 7:Task 7: 4 students a group to report: 4 students a group to report: introduce an invention introduce an invention including its inventor/date and uses.including its inventor/date and uses.SUMMARY:. .被動(dòng)語態(tài)的構(gòu)成被動(dòng)語態(tài)的構(gòu)成: :1.be+過去分詞過去分詞+by+(動(dòng)作執(zhí)行者動(dòng)作執(zhí)行者).2.被動(dòng)語態(tài)句子的時(shí)態(tài)由被動(dòng)語態(tài)句子的時(shí)態(tài)由be的時(shí)態(tài)的時(shí)態(tài)決定

9、決定,be后的過去分詞不隨之改變后的過去分詞不隨之改變.3.否定句否定句:在在be后加后加not.4.疑問句疑問句:把把be提前提前.SUMMARY:.主動(dòng)語態(tài)變被動(dòng)語態(tài):1.主動(dòng)語態(tài)的賓語主動(dòng)語態(tài)的賓語 被動(dòng)語態(tài)的主語被動(dòng)語態(tài)的主語.2.主動(dòng)語態(tài)的動(dòng)詞主動(dòng)語態(tài)的動(dòng)詞 be+該動(dòng)詞的過去分詞該動(dòng)詞的過去分詞 (作被動(dòng)語態(tài)的謂語作被動(dòng)語態(tài)的謂語).be按人稱變化按人稱變化,但時(shí)態(tài)不變但時(shí)態(tài)不變.3.主動(dòng)語態(tài)的主語主動(dòng)語態(tài)的主語 by+該主語該主語(放在被動(dòng)放在被動(dòng)語態(tài)的句尾語態(tài)的句尾,可以省略可以省略).若原主語是代詞放在若原主語是代詞放在be后要變?yōu)槠滟e格形式后要變?yōu)槠滟e格形式.被動(dòng)語態(tài)專項(xiàng)練

10、習(xí)被動(dòng)語態(tài)專項(xiàng)練習(xí) . .據(jù)劃線部分提問據(jù)劃線部分提問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 for ?. .用所給詞的適當(dāng)形式填空用所給詞的適當(dāng)形式填空: : 1._ a new library

11、 _ 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 after)Was builtwere takenwere usedwas knownw

12、as bornwas writtenmust be looked after . .將下列句子變?yōu)楸粍?dòng)語態(tài)，每空一詞。將下列句子變?yōu)楸粍?dòng)語態(tài)，每空一詞。1.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 m

13、e 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 finishedwill be sungare usedwas sent towas cleanedHomework:Homework:根據(jù)你所掌握根據(jù)你所掌握的材料寫一個(gè)的材料寫一個(gè)短文短文. .介紹一介紹一個(gè)你認(rèn)為最有個(gè)你認(rèn)為最有用用/ /最有趣最有趣/ /最最的發(fā)明的發(fā)明. .1. 1.題目題目The inventionThe invention 2. 2.適當(dāng)使用被動(dòng)適當(dāng)使用被動(dòng)語態(tài)語態(tài)3.60803.6080詞詞Lets remember forever :