【正文】
Someone knocked at the door while I was sleeping. 我正睡覺(jué)的時(shí)候 , 有人敲門(mén) 。 單元語(yǔ)法聚焦五 4. when, while和過(guò)去進(jìn)行時(shí)的搭配 單元語(yǔ)法聚焦五 主句時(shí)態(tài) 從句引導(dǎo)詞 從句時(shí)態(tài) 過(guò)去進(jìn)行時(shí) when 一般過(guò)去時(shí) 過(guò)去進(jìn)行時(shí) while 過(guò)去進(jìn)行時(shí) 一般過(guò)去時(shí) while 過(guò)去進(jìn)行時(shí) The students were talking loudly when the teacher came in. 當(dāng)老師進(jìn)來(lái)的時(shí)候 , 學(xué)生們正在大聲說(shuō)話 。 — No, he wasn39。t sleeping in the bedroom at that time. 那時(shí)那個(gè)男嬰沒(méi)有在臥室睡覺(jué)。t was/were The baby boy was sleeping