Unit3 語(yǔ)法專項(xiàng)課件（過(guò)去進(jìn)行時(shí)）初中英語(yǔ)魯教版八年級(jí)上冊(cè)過(guò)去進(jìn)行時(shí)定義過(guò)去進(jìn)行時(shí)表示過(guò)去某一時(shí)刻或某一段時(shí)間內(nèi)正在進(jìn)行或發(fā)生的動(dòng)作。過(guò)去進(jìn)行時(shí)的結(jié)構(gòu)否定形式問(wèn)句形式was/were + not + doing Was/Were+主語(yǔ)+doingHe was sleeping at that time.He wasn’t sleeping at that time.Was he sleeping at that time?過(guò)去進(jìn)行時(shí)標(biāo)志詞then, at that time, this time yesterday, at 5 o’clock last night, all night, all the morning, from 7:00 to 9:00 yesterday…They were having a class this time yesterday.I was drawing a horse when the teacher came in.動(dòng)名詞變化規(guī)則易錯(cuò)點(diǎn)1when的用法when和while引導(dǎo)時(shí)間狀語(yǔ)從句1. 狀語(yǔ)從句表示短時(shí)間的動(dòng)作，主句常用進(jìn)行時(shí)態(tài)或完成時(shí)態(tài)。When I came in, he was reading the newspaper.非延續(xù)性動(dòng)詞：come, go, leave, arrive, meet, die等。易錯(cuò)點(diǎn)1when的用法when和while引導(dǎo)時(shí)間狀語(yǔ)從句2. 狀語(yǔ)從句表示長(zhǎng)時(shí)間的動(dòng)作或狀態(tài)，主句常用進(jìn)行時(shí)態(tài)。When she was making a call, I was writing a letter.易錯(cuò)點(diǎn)1when的用法when和while引導(dǎo)時(shí)間狀語(yǔ)從句3. 表示突然發(fā)生某事，意思是“正在……時(shí)突然”，主句常用過(guò)去進(jìn)行時(shí)，when從句常用一般過(guò)去時(shí)。I was just coming along to see you when I ran into Wilson.易錯(cuò)點(diǎn)1while的用法when和while引導(dǎo)時(shí)間狀語(yǔ)從句1. 主句和從句都用一般過(guò)去時(shí)。She listened carefully while he read.延續(xù)性動(dòng)詞：read, study, sleep, write, listen, watch等。易錯(cuò)點(diǎn)1while的用法when和while引導(dǎo)時(shí)間狀語(yǔ)從句2. 從句用過(guò)去進(jìn)行時(shí)，主句用一般過(guò)去時(shí)。While I was watching TV, Tom came in.易錯(cuò)點(diǎn)1while的用法when和while引導(dǎo)時(shí)間狀語(yǔ)從句3. 主句和從句都用過(guò)去進(jìn)行時(shí)。While I was watching TV, she was doing some cleaning.易錯(cuò)點(diǎn)2用法不同過(guò)去進(jìn)行時(shí)和一般過(guò)去時(shí)的區(qū)別易錯(cuò)點(diǎn)2用法不同過(guò)去進(jìn)行時(shí)和一般過(guò)去時(shí)的區(qū)別She was writing a letter to her friend at eight last night.She wrote a letter to her friend last night. (信不一定寫(xiě)完) (信寫(xiě)完了) She waved to me. She was waving to me. （揮了揮手）（反復(fù)揮手）易錯(cuò)點(diǎn)2標(biāo)志詞不同過(guò)去進(jìn)行時(shí)和一般過(guò)去時(shí)的區(qū)別易錯(cuò)點(diǎn)2過(guò)去進(jìn)行時(shí)和一般過(guò)去時(shí)的區(qū)別We were having supper at this time yesterday.It was raining all those days.I was reading English while my mother was cooking breakfast.（過(guò)去進(jìn)行時(shí)）易錯(cuò)點(diǎn)2過(guò)去進(jìn)行時(shí)和一般過(guò)去時(shí)的區(qū)別I lived in Beijing three years ago.The first Olympic Games happened in 1896.Anny used to be short, but she becomes taller now.（一般過(guò)去時(shí)）【典例1】Little Tom ______ computer games when his mother got home. A. is playing B. plays C. was playing D. playing考查時(shí)態(tài)。句意：當(dāng)媽媽到家的時(shí)候，小湯姆正在玩電腦游戲。when引導(dǎo)時(shí)間狀語(yǔ)從句，主句多用進(jìn)行時(shí)，時(shí)間發(fā)生在過(guò)去，故用過(guò)去進(jìn)行時(shí)?！镜淅?】 Turn off the water while you ______ your teeth or washing your hands. A. were brushing B. brush C. are brushing D. brushed考查時(shí)態(tài)。句意：當(dāng)你刷牙或洗手的時(shí)候，請(qǐng)關(guān)掉水龍頭。while引導(dǎo)時(shí)間狀語(yǔ)從句，時(shí)態(tài)保持一致，brushing與washing并列；習(xí)慣的動(dòng)作，故選現(xiàn)在進(jìn)行時(shí)。【典例3】—I called you at 8:00 yesterday evening, but no one answered. —Sorry, I ______ clothes at that time. A. wash B. washed D. am washing D. was washing考查時(shí)態(tài)。句意：—昨晚八點(diǎn)我打電話給你，但是沒(méi)有人接。—不好意思，那個(gè)時(shí)候我正在洗衣服。at that time為過(guò)去進(jìn)行時(shí)標(biāo)志詞，選用was/were doing。

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初中英語(yǔ)魯教版 (五四制)八年級(jí)上冊(cè)電子課本

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