來源:網(wǎng)絡(luò)來源 作者:中考網(wǎng)整合 2024-01-20 10:53:02
中考網(wǎng)整理了關(guān)于2024年中考英語知識(shí)點(diǎn):while, when, as,希望對(duì)同學(xué)們有所幫助,僅供參考。
while, when, as
這三個(gè)連詞都可引導(dǎo)時(shí)間狀語從句,但用法有所不同。
1) 當(dāng)某事正在進(jìn)行的時(shí)候,又發(fā)生了另一件事。While, when, as 都可用來引導(dǎo)表示“背景”的時(shí)間狀語從句。例如:
As/When/While I was walking down the street I noticed a police car.
我沿著街道走時(shí),注意到一輛警車。
2) 當(dāng)兩個(gè)長動(dòng)作同時(shí)進(jìn)行的時(shí)候,最常用的是while。例如:
While mother was cooking lunch, I was doing my homework.
當(dāng)母親做午飯時(shí),我正在做作業(yè)。
3) 當(dāng)兩個(gè)動(dòng)作都表示發(fā)展變化的情況時(shí),最常用的是as。例如:
As children get older, they become more and more interested in things around them.
隨著孩子的長大,他們?cè)絹碓蕉鄬?duì)周圍的事情感興趣。
4) 當(dāng)兩個(gè)短動(dòng)作同時(shí)發(fā)生時(shí),或表示“一邊…一邊…”時(shí),最常用as。例如:
She looked behind from time to time as she went.
她邊走邊不時(shí)地朝后面看。
5) 當(dāng)從句的動(dòng)作先于主句的動(dòng)作時(shí),通常用when。例如:
When he finished his work, he took a short rest.
當(dāng)他完成工作后,他進(jìn)行了短暫的休息。
6) 當(dāng)從句是瞬間動(dòng)作,主句是延續(xù)性動(dòng)作時(shí),通常用when。例如:
When John arrived I was cooking lunch.
當(dāng)約翰到達(dá)時(shí),我正在做飯。
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