can't help doing sth. 情不自禁做某事can't to do sth.等不及要去做某事 can't (doing) sth. 等不及某事 can't help +动词ing等不及干某事 can't stand to do和can't stand doing的区别是前者表示某事发生的过程,不能忍受。后者表示正在发生不能忍受。我也只知道这些啦 希望能帮助你
1、too impatient to wait迫不及待2、3.can't help