初中英语语法动词不定式和动词ing形式

初中英语语法（动词不定式和动词ing形式）1. 动词不定式结构： to do 1. 动词不定式做主语，常用It 作形式主语，将to不定式后置Its +adj. +(for sb) to do sth （对某人来说，做怎么样）Its difficult for me to solve the math problem.对我来说解决这道数学题很难。Its hard to get up early in the morning. 早起很难。但是有些形容词只能与of搭配，这些词表示对别人的表扬，夸奖，责怪,如：clever, good, kind, nice, stupidIts kind of you to say so. 你这么说太好了。Its good of you to come. 你能来太好了。 2. 以下有几组不定式搭配要牢记： 1. in order to do sth /so as to do sth 两者都表示：为了做 He goes to the English corner every week in order to improve his spoken English. 他每周去英语角是为了提高英语口语。 2. in order that /so that 两者也表示：为了做 后面跟的是句子，不是动词原形 He goes to the English corner every week so that he can improve his spoken English quickly. 他每周去英语角是为了能够快速的提高自己的英语口语。 3. too +adj. to do sth :表示：太以至于不能 The water is too hot to drink. 水太烫了，没有办法喝。 （虽然句子里面没有not，但是这句话是表示否定意义的） 4. 形容词或副词+enough to do sth :足够能 He isnt strong enough to move the bookcase. 他力气不够大，搬不动书架。 5. 不带to 的动词不定式： a. Why not do sth .? 为什么不做？ Why not have a try? 为什么不试一试呢？ b, had better do sth 最好做 Youd better work harder. 你做好再努力些。 c, have sth do sth 迫使某人做某事 The boss had the workers work day and night. 老板迫使工人们每日每夜的干活。 d, help sb do sth 帮某人做某事 I always help my mother wash the dishes. 我总是帮我妈妈洗碗。 e, let sb do sth 让某人做某事 My mother never let me stay alone at home. 我妈妈从来不让我一个人呆在家里。 f, make sb do sth 迫使某人做某事 The teacher always makes the students do lot of homework. 老师总是经常让我们做很多作业。 2. 动词的-ing形式1， 有些动词后面只能跟动词的-ing形式来表示宾语 enjoy doing sth 喜欢做某事 finish doing sth 完成做某事 keep doing sth 保持做某事 mind doing sth 介意做某事 practice doing sth 操练做某事 be tired of doing sth 厌倦做某事 be used to doing sth 习惯于做某事 go on doing sth 继续做某事 have interest in doing sth 对做有兴趣 look forward to doing sth 盼望做某事 stop sb from doing sth 阻止某人做某事 succeed in doing sth 成功做某事2， 有些动词既可以接不定式又可以接-ing形式作宾语，如：like, hate, prefer, begin, start, remember, forget, try, 一般情况下，两者意义区别不大，但是有几组的区别要牢记：A, remember to do sth 记得去做某事（还没有去做） Remember to call him back as soon as you get home. 你记得一回家就给他回电话。 remember doing sth 记得做过某事（已经做过了） I remember giving the key to my father. 我记得把钥匙给了我爸爸。 B， forget to do sth 忘记去做某事（忘记了，所以没有做） I forgot to wake him up when I left . 我做的时候忘记叫醒他了。 forget doing sth 忘记做过某事 （已经做过了） I will never forget seeing him saving the boys life. 我永远都不会忘记看见他救小男孩的性命。C， stop to do sth 停下（正在做的事）去做另一件事情 He stopped to help the old man cross the road. 他停了下来，帮老人过马路。stop doing sth 停下正在做的事Stop writing when the bell rings. 铃响了就停止了动笔了。