不定式否定式怎么改

这样改：

将否定词not置于不定式符号to之前，构成not to do形式。I've got stacks of work to do.

我有一大堆活儿要做。

This comes of playing hookey and doing everything a feller's told not to do.

这都是逃学、不听话造成的。

I've told you time after time not to do that.

我一再告诉过你不要干那件事。