來(lái)源:網(wǎng)絡(luò)資源 2022-11-17 19:39:28
過(guò)去進(jìn)行時(shí)
1.概念:表示過(guò)去某段時(shí)間或某一時(shí)刻正在發(fā)生或進(jìn)行的行為或動(dòng)作。
My brother fell while he was riding his bicycle and hurt himself。
我兄弟騎車(chē)時(shí)摔了下來(lái),受了傷。
When I got to the top of the mountain, the sun was shining。
我到達(dá)山頂時(shí),陽(yáng)光燦爛。
2.時(shí)間狀語(yǔ):at this time yesterday, at that time或以when引導(dǎo)的謂語(yǔ)動(dòng)詞是一般過(guò)去時(shí)的時(shí)間狀語(yǔ)等。
3.基本結(jié)構(gòu):
was/were + doing
否定形式:was/were + not + doing。
一般疑問(wèn)句:把was或were放于句首。
4.用法
1) 過(guò)去進(jìn)行時(shí)表示過(guò)去某段時(shí)間內(nèi)持續(xù)進(jìn)行的動(dòng)作或者事情。
We were watching TV from seven to nine last night。
昨天晚上七點(diǎn)到九點(diǎn)的時(shí)候我們?cè)诳措娨暋?/p>
2) 過(guò)去進(jìn)行時(shí)可以表示在過(guò)去某個(gè)時(shí)間點(diǎn)發(fā)生的事情。
時(shí)間點(diǎn)可以用介詞短語(yǔ)、副詞或從句來(lái)表示。
What was she doing at nine o‘clock yesterday?
昨天晚上九點(diǎn)她在做什么? (介詞短語(yǔ)表示時(shí)間點(diǎn))
She was doing her homework then。
那個(gè)時(shí)候她正在寫(xiě)作業(yè)。(副詞表示時(shí)間點(diǎn))
When I saw him he was decorating his room。
當(dāng)我看見(jiàn)他的時(shí)候他正在裝飾房間。 (when從句表示時(shí)間點(diǎn))
3) 在復(fù)合句中,如果主要?jiǎng)幼骱捅尘皠?dòng)作都是延續(xù)的或同時(shí)發(fā)生的,那么主從句的動(dòng)詞都可用過(guò)去進(jìn)行時(shí)。
When he was waiting for the bus, he was reading a newspaper。
他邊等車(chē)邊看報(bào)。 (兩個(gè)動(dòng)作都是延續(xù)的)
He was cleaning his car while I was cooking。
他擦車(chē)時(shí)我在做飯。(兩個(gè)動(dòng)作同時(shí)進(jìn)行)
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