常用不定式句型归纳.doc

赠你金钥匙 常用不定式句型归纳初中阶段涉及到含有不定式的重要句型很多,现就其用法进行归纳,供同学们了解掌握。1 It takes sb. some time to do sth. “某人花费多长时间做某事。”例如：It took him ten minutes to work out this problem. 他花了十分钟算出了这道问题。2 Its time (for sb.) to do sth. “是某人该做某事的时候了。”例如：例如：Its time to have dinner. = Its time for dinner. 该吃晚饭了。Its time for us to play football. 我们该去踢足球了。3 Theres no time to do sth. “没有时间做某事。”例如：例如：There was no time to think. 没有时间去想了。4 be+ too +adj. +to do sth . “太而不能做某事。”例如：例如：He is too young to go to school. 他太小了,不能上学。5 be+adj.+enogh+to do sth . “足够做某事。” 例如：例如：The man is strong enough to carry this big box. 这个男人足够强壮,可以搬动这个大箱子。6Its +adj.+for sb.+ todo sth. “对某人来说做某事” 例如：例如：Its easy for children to learn swimming. 对于孩子们来说学游泳很容易。7Its+adj.+of sb.+to do sth. “某人做某事, 某人”例如：Its nice of you to help me. 你帮助我，你真好。8prefer to do sth. rather than do sth . “宁愿而不愿” 例如：I prefer to stay at home rather than go out. 我宁愿呆在家里也不愿出去。9find/think it +adj. +to do sth. “发现/认为做某事”例如：I find/think it interesting to go for a picnic. 我发现/认为野餐很有趣。10had better +不带to的不定式, “最好做某事”例如: Youd better put on your raincoat. Its raining outside now. 你最好穿上雨衣，外面正在下雨。小试身手：1 It is good for us _ morning exercises.A.do B. to do C. did D. done 2. The old man was _angry _say a word.A. so, that B. as, as C. too, to D. very, to3. He is a strange man. We find it difficult _(work) with him.4. Do you think it useful _ (learn) English?5. Youd better _ (close) the window. Its too noisy outside.答案：BC；to work；to learn；close （编辑：董雪梅）