八下第三单元第二课时课件.ppt

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1、第二届新标准杯英语网络课件大赛参赛课件第二届新标准杯英语网络课件大赛参赛课件教材：人教版教材：人教版 新目标英语新目标英语 八年级八年级 下册下册标题：标题：Unit 3 What were you doing when the UFO arrived? 作者：索愈胜作者：索愈胜单位：内蒙古大兴安岭林管局绰源林业局中学单位：内蒙古大兴安岭林管局绰源林业局中学 英语组（英语组（022187）联系电话：联系电话：0470-7893234E-mail : 义务教育课程标准实验教科书义务教育课程标准实验教科书英英 语语（新目标）（新目标）Go for it !八年级八年级 下册下册Unit 3 Wha

2、t were you doing when the UFO arrived ?第二课时第二课时Language Goals:Talk about past events; Tell a storyREVIEW过过 去去 进进 行行 时时含义：含义：过去某一时刻或某一段时间内正在过去某一时刻或某一段时间内正在 进行或发生的动作。进行或发生的动作。基本构成：基本构成：助动词助动词 was (were) + 现在分词现在分词用法：用法：We were playing football at 4:00 yesterday afternoon.I was sleeping late when the U

3、FO arrived.与其连用的时间状语：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。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。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：写出下列动词原形的现在分词：carryreadwritemakeswim stopwritingmakingreadingcarryingstoppingswimmingII.用所给动词的适当时态填空：用所给动词的适当时态填空：1.What _ you _ when he arrived? (do)2.Jim _ (sleep) when

4、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 visited the Museum of Flight._ The alien bought a souvenir._ A UFO landed on C

5、enter 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 shopping _ she saw the alien get out.3._ the alien was buying a souvenir, the gi

6、rl 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 “ when” and “ while”. Model:A: What was the girl doing when the UFO took off?B:

7、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 riding a bike on the street, the UFO took off.When the UFO took off, the woman was

8、 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 was walking down the street, the UFO landed.GrammarFocus仔细观察下列带时间状语从句仔细观察下列带时间状语从

9、句的复合句，注意引导状语从句的复合句，注意引导状语从句的引导词和主从句的动词时态的引导词和主从句的动词时态。1.用用when引导的时间状语从句说明一个动作发生时，另一个动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。作正在进行。 The students were drawing pictures when the teacher came in.2.用用when引导的时间状语从句也可表示正在进行某一动作时，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。另一个动作也发生了。 My pen dropped on the ground when I was wa

10、lking in the park.3.用用while引导的时间状语从句一般用进行时，表示正在进行某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。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与与while引导的时间状语从句都可以与进行时连用，但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。当从句放在主句词，

11、且主、从句动作发生在同一时间段内。当从句放在主句前前 面面 时，主从句之间须用时，主从句之间须用“ ，” 隔开。隔开。GrammarFocus过去进行时用于过去进行时用于when 和和while引导的时间状语从句及其区别引导的时间状语从句及其区别连词成句，注意连词成句，注意when与与while的位置：的位置：1.in, the teacher, we, came, were, talking, when2.eating, home, their, father, the, girls, supper, were, while, cameWe were talking when the tea

12、cher 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.v God helps those who help themselves. 自助者天助。自助者天助。q He laughs best who laughs last. 谁笑在最后，谁笑得最好。谁笑在最后，谁笑得最好。v First think, then

13、 do. 先思考，再去做。先思考，再去做。 Enough is as good as feast. 知足者常乐。知足者常乐。v Knowledge is power. 知识就是力量。知识就是力量。Proverbs谚谚 语语 Pay attention to your pronunciation . 请注意你的发音。请注意你的发音。vIts your turn now . 该你了（轮到你了）。该你了（轮到你了）。Think it over and try again . 仔细想想，再试。仔细想想，再试。qLearn these words by heart . 用心学这些单词。用心学这些单词。I.I.反复听录音。反复听录音。II.II.预习预习P20P20的内容。的内容。III.III.和同伴一起练习和同伴一起练习P19P19中的中的2c2c问答对话。问答对话。IV.IV.抄写抄写P20P20中的中的2a2a（重新排序）、（重新排序）、2b(2b(带带 空带下划线）和空带下划线）和 Grammar Focus.Grammar Focus.Homework for today