A:I can’t find my bag.Have you seen it?0 - 离问题结束还有 14 天 23 小时A:I can’t find my bag.Have you seen it?B:No.You _______________________________________(一定是把它放在) behind the door.I must have put it 如果把have
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![A:I can’t find my bag.Have you seen it?0 - 离问题结束还有 14 天 23 小时A:I can’t find my bag.Have you seen it?B:No.You _______________________________________(一定是把它放在) behind the door.I must have put it 如果把have](/uploads/image/z/8318956-4-6.jpg?t=A%3AI+can%E2%80%99t+find+my+bag.Have+you+seen+it%3F0+-+%E7%A6%BB%E9%97%AE%E9%A2%98%E7%BB%93%E6%9D%9F%E8%BF%98%E6%9C%89+14+%E5%A4%A9+23+%E5%B0%8F%E6%97%B6A%3AI+can%E2%80%99t+find+my+bag.Have+you+seen+it%3FB%3ANo.You+_______________________________________%28%E4%B8%80%E5%AE%9A%E6%98%AF%E6%8A%8A%E5%AE%83%E6%94%BE%E5%9C%A8%29+behind+the+door.I+must+have+put+it+%E5%A6%82%E6%9E%9C%E6%8A%8Ahave)
A:I can’t find my bag.Have you seen it?0 - 离问题结束还有 14 天 23 小时A:I can’t find my bag.Have you seen it?B:No.You _______________________________________(一定是把它放在) behind the door.I must have put it 如果把have
A:I can’t find my bag.Have you seen it?
0 - 离问题结束还有 14 天 23 小时
A:I can’t find my bag.Have you seen it?
B:No.You _______________________________________(一定是把它放在) behind the door.
I must have put it 如果把have
A:I can’t find my bag.Have you seen it?0 - 离问题结束还有 14 天 23 小时A:I can’t find my bag.Have you seen it?B:No.You _______________________________________(一定是把它放在) behind the door.I must have put it 如果把have
A: I can’t find my bag. Have you seen it?
我找不到我的包.你见过我的包吗?
B: No. You must have put it behind the door.
没见过.你肯定是把它放在门后了.
must是语气助词,后面接动词原形.放包应用过去完成时,had put it.
由于在must后面,所以变成 must have put it.
不行,have 在这里是表示过去完成时,以前放在……
put也是过去分词,不是原形
去掉的话是:我必须把他放在……
have代表“已经”,不能去掉,去掉的话,表示“你一定要把它放在。。。”
不行,must表示可定语气,要留着,语境要求