不是,是be free to do sth.
be free doing sth 是真确的吗?
4个回答
相关问题
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be free to do sth中这后面的不定式是什么语法成份?
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be afraid to do sth和be afraid doing sth的意思相同吗?区别是什么
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be busy doing sth.=hurry to do sth.=do sth in a hurry吗?
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hear sb. do sth 和 sb.be heard to do sth是固定用法吗?
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be glad to do sth 还是be glad doing sth
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be made do sth 还是be made to do sth
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是be busy doing sth 还是 be busy with doing sth
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不是be happy doing sth吗,求解释.
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be to do sth 和 be doing sth
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be late for 有doing sth吗