1.It's time to do sth./It's time for sth 该做某事的时候了

　　eg:Now it's time to sing alone. 现在是独自唱下去的时候了。

　　2.can't wait to do sth. 迫不及待要做某事

　　eg:We can't wait to have a try. 我们等不及想要常试一下了。

　　3.Ask/tell sb. (not ) to do sth. 要求/告诉某人(不)做某事

　　eg:Did I not tell you to help robbery/homicide? 难道我没有告诉你要去协助调查抢劫谋杀案么?

　　4.Allow sb. to do sth. 允许某人做某事

　　eg:As long as I am alive, I'll not allow you to do that. 只要我活着就不允许你做那件事。

　　5.Be supposed to do sth. 应该做某事

　　eg:I did everything right, everything I was supposed to do. 我做的一切都是正确的，我做了一切我该做的事。

　　6.Would like/want (sb.) to do sth. 想要做某事

　　eg:I would like some coffee. 我想要一点儿咖啡。

　　7.Have sth/nothing to do 与……有关/与……无关

　　eg:This thing has nothing to do with you. 这事和你一点关系也没有。

　　8.find it +adj. to do sth. 发觉做某事……

　　eg:I find it difficult to live with him. 我发现跟他生活在一起是很困难的。

　　9.Prefer to do sth. rather than do sth. 宁愿做某事，而不愿做某事

　　eg:I prefer to do hard work rather than do nothing at home. 我宁愿干重活而不愿在家无所事事。

　　10.It's +adj. for sb. to do sth. 做某事对某人来说……

　　eg:It's difficult for women to get jobs in high position. 对妇女来说得到一个高职位的工作是很难的。

　　11.It's better/best to do sth. 最好做某事

　　eg:Generally, it's better to apply filler materials in thin layers. 一般来说，最好适用于薄层填充材料。

　　12.It takes sb/sth. to do sth. 某人做某事用了一些时间

　　eg:It takes some time to cultivate a new friendship. 建立一段新的友谊需要一段时间。