以下那條的tense 是對的?and please explain why we use this tense.
1a) "where had you gone?"we have been looking(look) for you all afternoon.
or
1b) "where had you gone?" we had been looking (look)for you all afternoon.
Thank you.
收錄日期: 2021-04-13 17:15:04
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https://hk.answers.yahoo.com/question/index?qid=20100506000051KK01772