八下第三单元第二课时课件

1、第二届新标准杯英语网络课件大赛参赛课件教材：人教版 新目标英语 八年级 下册标题：Unit 3 What were you doing when the UFO arrived? 作者：索愈胜单位：内蒙古大兴安岭林管局绰源林业局中学 英语组（022187）联系电话-mail : 义务教育课程标准实验教科书英 语（新目标）Go for it !八年级 下册Unit 3 What were you doing when the UFO arrived ?第二课时Language Goals:Talk about past events; Tell a storyREVI

2、EW过 去 进 行 时含义：过去某一时刻或某一段时间内正在 进行或发生的动作。基本构成：助动词 was (were) + 现在分词用法：We were playing football at 4:00 yesterday afternoon.I was sleeping late when the UFO arrived.与其连用的时间状语： 1.有确切的过去时间状语和上下文暗示。 2.句中含有表示过去时态的时间状语从句。REVIEWI.写出下列动词原形的现在分词：carryreadwritemakeswim stopwritingmakingreadingcarryingstoppingsw

3、immingII.用所给动词的适当时态填空：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仔细观察下列带时间状语从句的复合句，注意引导状语从句的引导词和主从句的动词时态。1.用when引导的时间状语从句说明一个动作发生时，另一个动 作正在进行。 The students were drawing pictures when the teacher came in.2.用when引导的时间状语从句也可表示正在进行某一动作时， 另一个动作也发生了。 My pen dropped on the ground when I was walking in the park.3.用whi

9、le引导的时间状语从句一般用进行时，表示正在进行某 个动作时，发生了另一个动作，这时主句用一般过去时。 While he was reading, the telephone rang.4.when与while引导的时间状语从句都可以与进行时连用，但 while更强调动作持续一段时间，即从句的动词是延续性动 词，且主、从句动作发生在同一时间段内。当从句放在主句前 面 时，主从句之间须用“ ，” 隔开。GrammarFocus过去进行时用于when 和while引导的时间状语从句及其区别EXERCISE连词成句，注意when与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. 谁笑在最后，谁笑得最好。 First think, then do. 先思考，再去做。 Enough is as good as feast. 知足者常乐。 Knowledge is power. 知识就是力量。Proverbs谚 语Pay attention to your pronunciation . 请注意你的发音。Its your turn now . 该你了（轮到你了）。Think it over and try again .