
過去進(jìn)行時(shí)表示過去某一時(shí)刻或某一段時(shí)間內(nèi)正在進(jìn)行或發(fā)生的動(dòng)作。
was/were + nt + ding
Was/Were+主語+ding?
He was sleeping at that time.
He wasn’t sleeping at that time.
Was he sleeping at that time?
then, at that time, this time yesterday, at 5 ’clck last night, all night, all the mrning, frm 7:00 t 9:00 yesterday…
They were having a class this time yesterday.I was drawing a hrse when the teacher came in.
when和while引導(dǎo)時(shí)間狀語從句
1. 狀語從句表示短時(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:cme, g, leave, arrive, meet, die等。
2. 狀語從句表示長時(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.
3. 表示突然發(fā)生某事,意思是“正在……時(shí)突然”,主句常用過去進(jìn)行時(shí),when從句常用一般過去時(shí)。I was just cming alng t see yu when I ran int Wilsn.
1. 主句和從句都用一般過去時(shí)。She listened carefully while he read.
延續(xù)性動(dòng)詞:read, study, sleep, write, listen, watch等。
2. 從句用過去進(jìn)行時(shí),主句用一般過去時(shí)。While I was watching TV, Tm came in.
3. 主句和從句都用過去進(jìn)行時(shí)。While I was watching TV, she was ding sme cleaning.
過去進(jìn)行時(shí)和一般過去時(shí)的區(qū)別
She was writing a letter t her friend at eight last night.She wrte a letter t her friend last night.
She waved t me. She was waving t me.
We were having supper at this time yesterday.It was raining all thse days.I was reading English while my mther was cking breakfast.
I lived in Beijing three years ag.The first Olympic Games happened in 1896.Anny used t be shrt, but she becmes taller nw.
【典例1】Little Tm ______ cmputer games when his mther gt hme. 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)間狀語從句,主句多用進(jìn)行時(shí),時(shí)間發(fā)生在過去,故用過去進(jìn)行時(shí)。
【典例2】 Turn ff the water while yu ______ yur teeth r washing yur 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,請關(guān)掉水龍頭。while引導(dǎo)時(shí)間狀語從句,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)。
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