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。
