cant help后加什么形式

加动词ing形式,cant help doing sth是固定短语，意为禁不住做某事；

例句

I cant help thinking he knows more than he has told us.

我总觉得他没把他知道的事全告诉我们。

Im afraid I cant help you

恐怕我帮不了你。

If he can\'t help, there\'s always John.

如果他帮不上忙，总还有约翰呢。

I can\'t help feeling that this may just be another of her schemes

我不免觉得这可能只是她的又一个诡计。

I can\'t help ─ I\'ve got too much to do as it is.

我帮不了忙——我已经有太多的工作了。

I can\'t help you, I\'m afraid.

对不起，我帮不了你的忙。