高二英语不定式

高二英语不定式内容摘要：

放于句末 , 前面可加 in order/so as/so…as to 表强调 . eg: He went to see the artist himself. He stopped to have a look. He ran so fast as to get to school in time. 2). 结果状语 :主要用在 enough to/too…to…/only to 结构中。 eg: The question is too difficult to answer. They worked hard enough to finish their work. 3). 原因状语 : 主语 +系动词 +adj.+ to do a). 表 感情的 : happy, surprised, pleased, glad, sorry, anxious(忧虑 ), disappointed, careful, afraid, wrong. eg: I’m very sorry to see you. He was afraid to leave him home. b). 说明句中主语在哪个方面存在形容词所表示的情况时 ,即与句中主语构成逻辑上的动宾关系， 主动表被动 . interesting, difficult, easy, important, possible, expensive, dangerous, useful. eg: The question is easy to answer. He is difficult to teach. 5. 做宾语 : 不定式做宾语的情况，一般表示将来的行为 ,这时谓语和不定式的动作都是主语发出的 . 1). 下列动词只能按不定式做宾语 . 我有个计划你必须选择设法学会 ,在假装同意某人决定的同时又要拒绝 . plan, choose, manage, learn, pretend, agree, decide, refuse. 作出任何承诺这是我原准备提供而又能提供给你的三点希望或说三点 . promise, prepare, offer, fail, hope, wish, expect, ask 要求之一 ,恳请毫不犹豫的做的 demand, want, hesitate eg: I didn39。 t expect to find you here. 2). 不定式做动词 tell, teach, know, show, find out, dis。