當(dāng)時(shí)在下雨,下雨已經(jīng)是過去的事了,所以要用過去式was,在過去的那個(gè)時(shí)間點(diǎn),當(dāng)時(shí)是在下雨的,所以那時(shí)候的雨是過去的正在進(jìn)行時(shí).
when 和while 都有當(dāng)...的時(shí)候的意思
when既可指時(shí)間點(diǎn),也可指時(shí)間段
while只能指時(shí)間段
比如 ‘當(dāng)早上5點(diǎn)到9點(diǎn)（時(shí)間段）’
while和when 都可以,
但是如果是 ‘當(dāng)早上5點(diǎn)的時(shí)候（時(shí)間點(diǎn)）’,就只能用when
why did you come back so late today?it heavily when the meeting was over .I had to wait until it came to a stop 為什么?處要填w
why did you come back so late today?it heavily when the meeting was over .I had to wait until it came to a stop 為什么?處要填was raining還有when與while的區(qū)別是什么?
其他人氣：837 ℃時(shí)間：2019-08-21 08:03:38
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