考博英语语法学习备考：动名词作主语的句型
1)Doing…+ v. Reading is an art.阅读是门艺术。Seeing is believing.眼见为实。
2) It is + no use, no good (fun, a great pleasure, a waste of time, a bore…)等名词+doing sth.
It is no use crying.哭没有用。It is no good objecting.反对也没有用。
It is a great fun playing football.打篮球很有趣。
It is a waste of time trying to explain.设法解释是浪费时间。
3)It is + useless (nice, good，interesting, expensive等形容词)+ doing sth.
It is useless speaking.光说没用。
It is nice seeing you again.真高兴又遇到了你。
It is good Playing chess after supper.晚饭后弈棋挺好。
It is expensive running this car.开这种小车是浪费。
4)There is no + doing…(there is no 表“不可能”)There is no telling what he is going to do.说出他要干什么是不可能的。
There is no saying what may happen.说出将要发生什么是不可能的。
5)There is no use (good/point/sense/harm)+doing sth.做某事没用(不好/意义/重要性)There is no use crying over spilt milk.牛奶洒了，哭也无用。
6)have difficulty /trouble/problem + (in)+doinghave作有解时，后接情感名词(in可省略)，再接动名词。这类词还有trouble, fun, a hard time, a good time.
例如：We had difficulty (in) carrying out the plan.我们执行计划有困难。
7)feel like + 名词 感觉像动名词 “ 想要” =would like to +原形动词I feel like a newborn baby.我感觉像一个新生的婴儿。
Do you feel like going to a movie?你想看电影吗?
I don't feel like studying tonight.今晚我不想读书。
8) spend/waste time doing sth.
They spent a lot time (in) making preparations.他们花了许多时间作准备。
9)在require后只能用动名词，不能用不定式，尽管表示被动的意思也要用动名词的主动形式。
This problem requires studying with great care.这个问题需要仔细研究。
10)cannot help doing sth.忍不住(做什么)I cannot help laughing, once I see john in that big trouser.