were后為什么還可以加being?
were后為什么還可以加being?
The windows and doors came from old buildings around the town that were being pulled down.
The windows and doors came from old buildings around the town that were being pulled down.
英語人氣：432 ℃時間：2020-03-29 17:34:36
優(yōu)質(zhì)解答
就是過去進(jìn)行時,be doing,這里是被動關(guān)系,所以是were being done
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