to be done 被動(dòng)語(yǔ)態(tài) The mouse was killed by me.老鼠被我殺了.
have been done 被動(dòng)語(yǔ)態(tài),完成時(shí)態(tài) The mouse have been killed by me.老鼠已經(jīng)被我殺了.
have been doing 現(xiàn)在完成進(jìn)行時(shí)態(tài) I have been studying since this afternoon.
我從這個(gè)下午就開(kāi)始學(xué).(現(xiàn)在還在學(xué))
to be done to have been done to have been doing 形式的造句,
to be done to have been done to have been doing 形式的造句,
英語(yǔ)人氣:264 ℃時(shí)間:2019-10-10 08:05:57
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