時(shí)間狀語(yǔ)從句及練習(xí)-wenkub
2023-04-09 03:33:54 本頁(yè)面
【正文】 the problem while they couldn’t .注：并列連詞when常用與以下句型中：①…was/were doing…when…（正在做…突然）②…was/were about to do…when…（剛要做…突然）③…was/were on the point of doing…when…(剛要做…突然)④…h(huán)ad just done…when….(剛一…就)⑤Hardly/Scarcely had…done…when…(剛一…就)(2)before引導(dǎo)從句時(shí),詞義非常靈活，注意下列句子中的before的詞義： I could get in a word, the tailor had measured me.(還沒(méi)來(lái)得及…就) hadn’t run a mile before he felt tired.(還沒(méi)…就) had sailed 4 days before we saw land.(…才…) write it down before you forget it.(趁還…沒(méi)就)(3)till (until) 和not…till (until)1） till (until):主句謂語(yǔ)動(dòng)詞必須是持續(xù)性的，意思是“到…為止“如：He remained there till/until she arrived.2） not…till (until)…: 主句謂語(yǔ)動(dòng)詞必須是短暫性的，意思是“直到…才”如：She won’t go to bed till/until he returns home.3） not…until還有強(qiáng)調(diào)式和倒裝式：強(qiáng)調(diào)句：It is not until he returns home that she will go to bed. 倒裝句：Not until he returns home will she go to bed.(4)幾個(gè)極易混淆的時(shí)間狀語(yǔ)從句：1） It was +時(shí)間點(diǎn)+when…（當(dāng)?shù)臅r(shí)候時(shí)間是）It was 5 am when we arrived at the village.2） It was/will be+時(shí)間段+before…(沒(méi)過(guò)…就／過(guò)了…才)It was/will be two weeks before we met/meet again.3） It is /has been
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