there's的否定形式是there is not。there is not的意思是无，没有，没。例句：There is not a dull line in the whole article（整篇文章中没有一行是乏味的）。

there is not的例句：There is not a particle of truth in what you said（你所说的没有一句是实话）；There is not a jot of evidence to say it does them any good（没有丝毫的证据显示这对他们有任何好处）。