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1、Part 1 Review :Past Continuous Tense,过去进行时,Sentence Pattern : S + was / were doing (+ time expressions).,Time Expressions: at 6:00 yesterday morning ; at that time; from 2:00 to 4:00 yesterday afternoon,Part 1 Review :Past Continuous,What was he doing at 9:00 yesterday morning?,Lets practice,What wa
2、s he doing at 9:00 yest,yesterday morning,What happened?,yesterday morningWhat happened,What was the boy doing from 6:00 to 9:00 last night?,What was the boy doing from 6:,Lazy Goat was sleeping on the meadow.,Big big wolf and his wife came.,While Lazy goat was sleeping on the meadow, big big wolf a
3、nd his wife came.,While:during a period of time (conj.) 当的时候 (连词),Lazy Goat was sleeping on the,Part 2 : While-clause in adverbial of time,while引导的时间状语从句,How to use,While sth was happening,sth happened. or While sb/sth was prep. /adv,sth happened.当某事情正在发生的时候,另一件事情发生了。当某人/事处于某种状态下,另一件事情发生了。(while从句为背
4、景动作,主句发生在从句过程之中),2. While sth be happening, another one be happening. (be should change with the tense)当一件事情发生的时候,另一件事情也同时正在进行。(while从句可以和主句互换位置,两个动作正在同时发生),Part 2 : While-clause in adver, While he was doing his homework,the bell rang.,subordinate clause:从句(背景),rinciple clause:主句,Focus on situation
5、1:,(while从句为背景动作,主句发生在从句过程之中), While he was doing his homew, While she was away,her friend helped me.,subordinate clause:从句(背景),rinciple clause:主句,Tips: While 引导的句子为从句,表示事情发生的背景动作。 While从句中,出现实意动词时,表示一段时间,所以只能选择延续性 动词,用过去进行时 短暂性动词:瞬间发生就结束 eg:come,arrive,die etc. 延续性动词:动作发生后可以持续进行 eg:eat ,sing,live e
6、tc., While she was away,her frien,Lets find it,then put them in one sentence!,Which one is the While-clause?,Which one is the principle clause?,Eg: He was walking. A man stole his wallet.= While he was walking, a man stole his wallet. She fell down. She was climbing a ladder.= While she was climbing
7、 a ladder, she fell down. She was away. Her friend looked after her child.= While she was away, her friend looked after her child.,Lets find it,then put them in,Part 3: Lets learn,upset,a bad day,He burned himself while he was cooking.,A: You look upset.B: I had a bad day.A: Why? What happened?B: I
8、burned myself while I was cooking.A: Im sorry to hear that.,Part 3: Lets learnupseta bad,A: You look .B: I had a day.A: Why? What ?B: A dog me while I was .A: Im to hear that.,upset,bad,happened,bit,delivering the mail,sorry,A: You look . upset,A: You look .B: I had a day.A: Why? What ?B: I myself w
9、hile I was my fence.A: Im to hear that.,upset,bad,happened,cut,fixing,sorry,A: You look . upset,Part 4:Lets say:oral time!,Talk about an unlucky/a lucky thing!,Here is a model: I was very upset yesterday. Because I had a very bad day. I lost my purse while I was shopping. I couldnt buy anything. I w
10、as really angry. What a bad day for me!,Part 4:Lets say:oral time!Tal,While he was reading,she was cooking.,Focus on situation 2:,(while从句可以和主句互换位置,表示两个动作同时发生),While she was cooking,he was reading.,Tips: 两个动作同时发生,主从句调换位置,句意不变!主从句均选择进行 时,动词选择延续性动词!,While he was reading,she was, he - sleep she - do he
11、r homework,While he was sleeping,she was doing her homework., it - rain we - wait for the bus,While we were waiting for the bus,it was raining., I - walk he - run,While I was walking ,he was running.,Part 5:Lets write!, he - sleep she - do he,Part 6:Lets compare!,When & While(初步了解) 跟动词时,while后面只能跟延续性动词 - 进行时; when既可以跟延续性动词,也可跟短暂性动词- 进行时 、一般过去时都可以!Eg: While/When he was singing,the lights went out. 表示两个动作同时发生,用while更合适.Eg: While he was shopping, she was shopping. when除“当的时候”意义之外,还含有先后顺序可译为“一就”Eg: When I heard the news, I ran out of the room.,Part 6:Lets compare!When & Wh,