Today we have chat rooms...but we seem to be losig the art o

来源：学生作业帮编辑：作业帮分类：综合作业时间：2024/05/12 01:21:50

Today we have chat rooms...but we seem to be losig the art of communicating face-to-face 为什么用
to be losing?为什么要用be?又没有表被动?为什么不用to losing?

因为要表达现在进行时的含义：我们似乎正处于丧失面对面交流能力的过程中.
所以要用be+doing,光有doing不是现在进行时.
请及时采纳,多谢!
再问：为什么要用be啊？可爱的人。不是说to作介词时可接doing吗？这里并不表被动啊？？？
再答：还是重复前面的话，现在进行时的构成形式必须是be+doing，光有doing不是现在进行时。这里的to不是介词，而是引导动词不定式的，这是由seem的用法决定的。seem to do, 根本就没有所谓seem to doing的用法。再说，我一直在说be是构成现在进行时的，你又把被动扯上来做什么？

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