You had better see your doctor.I _____,but he said there was

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You had better see your doctor.I _____,but he said there was nothing wrong.这里用had还是have

have,表示其已经看过了医生
再问：看过了医生不是过去式么为什么不用had 讲下
再答：它给你had是来迷惑你的，因为前面是You had better,它迷惑你后面用had 用have 是现在完成时，就是I have seen the doctor,我已经看过医生了，现在完成时表示某事相对于过去是已经发生的，I had seen就是过去的过去了，显然不合理不懂再问哦~

I think that the doctor had better see you变成 I think that the doctor had better see you句子里the doctor had You don't look well,you'd better see the doctor.-I_,but he s I think that the doctor had better see you.变同义句I think that You don't look well.you'd better see the doctor.I [ ] .But t You don’t look well. You'd better see the doctor.I ——.But th You had better to see the doctor You had better see the doct I think thatthe doctor had better see you 变同义句 i think that the doctor had better see you怎解释that 1、I think that the doctor had better see you .2、Be sure that 同义句转换 “Did you see her last week?"he said.He () () I had see You had better go to see a doctor right now