have to do sth是句型还是短语?

have to do sth是句型还是短语? have to do sth 句型造句 提问句型 是You'd better do sth还是You'd better to do sth 关于let句型是let sb do sth还是let sb to do sth 在hear的常见短语中,是hear to do sth 还是hear doing sth 还是hear do sth. have sb do sth 还是 have sb to do sth? have sb do sth 还是have sb to do sth have sth do还是have sth to do have to后跟动词不定式 固定短语,固定句型,还有像 like to do sth.这一类的 suggest sb to do sth 还是suggest sb doing sth 那个短语是正确的? have nothing to do but do sth还是doing sth 是have some time doing sth. 还是 have some time to do sth.