by the time是用现在完成时还是过去完成时啊?

发布网友 发布时间:2022-04-25 13:50

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热心网友 时间:2023-10-05 06:15

by the time引导的时间状语从句用一般时,主句用完成时或者一般时。如:
By the time you get home tomorrow, it will be / will have been 9: 00 pm..
By the time he arrived at home, it was / it had been dark.
By the time we got back from dinner, Nona was already / had (already) been in bed.
By the time I arrived the operation was already / had already been performed.

热心网友 时间:2023-10-05 06:15

现在完成时

热心网友 时间:2023-10-05 06:16

看语境,主题是什么时态就是什么时态

热心网友 时间:2023-10-05 06:16

要根据句子意思

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