不定式的用法1.It'stimetodosth./It'stimeforsth该做某事的时候了eg:Nowit'stimetosingalone.现在是独自唱下去的时候了。2.can'twaittodosth.迫不及待要做某事eg:Wecan'twaittohaveatry.我们等不及想要常试一下了。3.Ask/tellsb.(not)todosth.要求/告诉某人(不)做某事eg:DidInottellyoutohelprobbery/homicide?难道我没有告诉你要去协助调查抢劫谋杀案么?4.Allowsb.todosth.允许某人做某事eg:AslongasIamalive,I'llnotallowyoutodothat.只要我活着就不允许你做那件事。5.Besupposedtodosth.应该做某事eg:Idideverythingright,everythingIwassupposedtodo.我做的一切都是正确的，我做了一切我该做的事。6.Wouldlike/want(sb.)todosth.想要做某事eg:Iwouldlikesomecoffee.我想要一点儿咖啡。7.Havesth/nothingtodo与……有关/与……无关eg:Thisthinghasnothingtodowithyou.这事和你一点关系也没有。8.findit+adj.todosth.发觉做某事……eg:Ifinditdifficulttolivewithhim.我发现跟他生活在一起是很困难的。9.Prefertodosth.ratherthandosth.宁愿做某事，而不愿做某事eg:Iprefertodohardworkratherthandonothingathome.我宁愿干重活而不愿在家无所事
