八年级英语第三单元课件（含听力）

1、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 What were you doing when the UFO arrived ?第二课时第二课时Language Goals:Talk about past events; Tell a storyREVIEWI.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

2、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 visited the Mu

3、seum 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 shopping _ she s

4、aw 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 “ when” and “ wh

5、ile”. 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 was riding a bike on th

6、e street, the UFO took off.When the UFO took off, the woman was saying something about the UFO to the policeman.1.The boy (walk) down the street when the UFO landed.2.The girl was shopping when the alien (get out).3.While/when the girl (shop), the alien got out.4.While/when the boy (walk) down the s

7、treet, the UFO (land).5._ _ (when/while) I was doing my homework ,my mother came in.6.He called to see me _(when/while) I was looking for my bag.7.While we were talking ,Dad (get) home.8._ (when/while) I was sitting in the barbers chair , my friend phoned me.9.The Greens were having dinner when I (v

8、isit) them.10.What did you do _(when/while) the UFO landed?Fill in the blanks .was walkinggot outwas shoppingwas walkinglandedwhen/whilewhen/whilegotwhen/whilevisitedwhen1.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.

9、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 walking 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

10、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，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v God helps those who help themselves. 自助者天助。自助者天助。q He laug

11、hs 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 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