there is no doubt 后面不可以跟to do 或doing,其固定用法如下: 1.There is no doubt that ...,即后面接that子句,如: There is no doubt that she will keep her word.
(键者注：两种解释正好证明了两点：①可以证明no doubt是名词词组“副词用法”;②no doubt不是there is no doubt that 的省略，因为前者是表示“可能“，后者是表示”肯定“)
传统语法认为，在肯定句中， doubt 后面要用 whether。 其实不然， doubt 后面既可以接 whether，也可以接 that，只是两者在含义和用法上有所不同。 Doubt 后面到底应该接 that 还是 …
there is no doubt 后面不可以跟to do 或doing,其固定用法如下: 1.There is no doubt that ...,即后面接that子句,如: There is no doubt that she will keep her word. 毫无疑问她会遵守诺言的. 2.There is …
动词 doubt 后面的从句可由 whether, if 或 that 引出。 Economists doubt whether interest rates will fall in the near future. 经济学家怀疑在不久的将来利率是否会下降。 I doubt if she'll come …
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