八下第三單元第二課時課件

1、第二屆新標準杯英語網(wǎng)絡(luò)課件大賽參賽課件教材：人教版 新目標英語 八年級 下冊標題：Unit 3 What were you doing when the UFO arrived? 作者：索愈勝單位：內(nèi)蒙古大興安嶺林管局綽源林業(yè)局中學 英語組（022187）聯(lián)系電話-mail : 義務(wù)教育課程標準實驗教科書英 語（新目標）Go for it !八年級 下冊Unit 3 What were you doing when the UFO arrived ?第二課時Language Goals:Talk about past events; Tell a storyREVI

2、EW過 去 進 行 時含義：過去某一時刻或某一段時間內(nèi)正在 進行或發(fā)生的動作。基本構(gòu)成：助動詞 was (were) + 現(xiàn)在分詞用法：We were playing football at 4:00 yesterday afternoon.I was sleeping late when the UFO arrived.與其連用的時間狀語： 1.有確切的過去時間狀語和上下文暗示。 2.句中含有表示過去時態(tài)的時間狀語從句。REVIEWI.寫出下列動詞原形的現(xiàn)在分詞：carryreadwritemakeswim stopwritingmakingreadingcarryingstoppingsw

3、immingII.用所給動詞的適當時態(tài)填空：1.What _ you _ when he arrived? (do)2.Jim _ (sleep) when I came in.3.They _(watch) TV at 8:00 yesterday evening.4.He uaually _ (play) football on Saturday.5.Now he _ (read) words.weredoingwas sleepingwere watchingplaysis reading Listen and order these statements 1-5._ The alien

4、 visited the Museum of Flight._ The alien bought a souvenir._ A UFO landed on Center Street._ The alien went into a store._ An alien got out of the UFO.2a123452b Listen again. Complete the followingsentences with“ when”or “ while”.1.The boy was walking down the street _ a UFO landed.2.The girl was s

5、hopping _ she saw the alien get out.3._ the alien was buying a souvenir, the girl called the police.4._ the alien was visiting the museum, the boy called the TV station.whenwhenWhileWhile2cGROUPWORKLook at the picture below. Say what each person was doing when the UFO took off. Make sentences with “

6、 when” and “ while”. Model:A: What was the girl doing when the UFO took off?B: While the girl wasC: When the UFO took off ,the man wasWhile the girl was standing in front of the Center street,the UFO took off.When the UFO took off, the man was seeing things and taking pictures.While the boy were rid

7、ing a bike on the street, the UFO took off.When the UFO took off, the woman was saying something about the UFO to the policeman.1.The boy was walking down the street when the UFO landed.2.The girl was shopping when the alien got out.3.While the girl was shopping, the alien got out.4.While the boy wa

8、s walking down the street, the UFO landed.GrammarFocus仔細觀察下列帶時間狀語從句的復(fù)合句，注意引導(dǎo)狀語從句的引導(dǎo)詞和主從句的動詞時態(tài)。1.用when引導(dǎo)的時間狀語從句說明一個動作發(fā)生時，另一個動 作正在進行。 The students were drawing pictures when the teacher came in.2.用when引導(dǎo)的時間狀語從句也可表示正在進行某一動作時， 另一個動作也發(fā)生了。 My pen dropped on the ground when I was walking in the park.3.用whi

9、le引導(dǎo)的時間狀語從句一般用進行時，表示正在進行某 個動作時，發(fā)生了另一個動作，這時主句用一般過去時。 While he was reading, the telephone rang.4.when與while引導(dǎo)的時間狀語從句都可以與進行時連用，但 while更強調(diào)動作持續(xù)一段時間，即從句的動詞是延續(xù)性動 詞，且主、從句動作發(fā)生在同一時間段內(nèi)。當從句放在主句前 面 時，主從句之間須用“ ，” 隔開。GrammarFocus過去進行時用于when 和while引導(dǎo)的時間狀語從句及其區(qū)別EXERCISE連詞成句，注意when與while的位置：1.in, the teacher, we, cam

10、e, were, talking, when2.eating, home, their, father, the, girls, supper, were, while, cameWe were talking when the teacher came in.When the teacher came in, we were talking.While the girls were eating supper, their father came home.Their father came home while the girls were eating supper. God helps those who help themselves. 自助者天助。 He laughs best who laughs last. 誰笑在最后，誰笑得最好。 First think, then do. 先思考，再去做。 Enough is as good as feast. 知足者常樂。 Knowledge is power. 知識就是力量。Proverbs諺 語Pay attention to your pronunciation . 請注意你的發(fā)音。Its your turn now . 該你了（輪到你了）。Think it over and try again .