It took me a long time before I was able to fully appreciate what they had done for me.
It took me a long time before I was able to fully appreciate what they had done for me.
為什么句首的took不用過去完成時,不是過去的過去么、
為什么句首的took不用過去完成時,不是過去的過去么、
英語人氣：643 ℃時間：2019-11-05 01:28:31
優(yōu)質(zhì)解答
后面had done發(fā)生在was able to之前,即過去的過去所以用過去完成時.而took跟was able to發(fā)生的時間是同時的所以不用過去完成時.怎么看出是同時的？
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