He spent four hours (in) going over his lessons. 他花了四个小时复习功课。
I ' ve studied Eng1ish (for) five years. 我已学五年英语了。
I believe (that) you will succeed ． 我相信你们会成功的。
It ' s a pity (that) he ' s leaving. 他要走，真遗憾。
I ' m sure (that) she will help you. 我肯定她会帮你的。
I ' ll give you all (that) I have. 我要把我所有的一切都给你。
He read the book (which) I got yesterday. 他看过我昨天买的书了。
Beg your pardon.
（我）请你原谅。（ Beg 前省略了主语 I ）
当心！（ Take 前省略了主语 you ）
Looks as if it will rain.
看起来象要下雨。（ Looks 前省略了主语 it ）
该谁了？（ Who 后面省略了谓语 comes ）
The river was deep and the ice thin.
（ ice 后面省略了 was ）
We ' ll do the best we can.
我们将尽力而为。（ can 后面省略了动词 do ）
Are you ready? Yes, I am.
你准备好了吗？ 我准备好了。（ am 后面省略了 ready ）
He was a lover of sports as he had been in his youth.
他还是象年轻时那样，是一位运动爱好者。（ had been 后面省略了 a lover of sports ）
Let ' s do the dishes. I ' ll wash and you ' ll dry.
让我们洗碗吧，我来洗，你来揩干。（ wash 和 dry 后面省略了宾语 dishes ）
He spent part of the money, and the rest he saved.
那钱他花了部分，其余的他都存了起来。（ the rest 后面省略了定语 of the money ）
He was not hurt. Strange!
他没有受伤，真奇怪！（ Strange 前面省略了状语 how ）
（1）Looks like rain.
（2）Hope to hear from you soon.
（3）Sounds like a good idea.
（1）They learn French and we English.
（2）My father planned and built all these houses.
（3）John won the first race and Jimmy the second.
That’s the reason he is late for the conference.
（1）If heated, water will boil.
（2）Tom was attacked by cramp while swimming across the river.
We will do what we can（do）to help you.
—Is Mr. King in his office?
—Sorry, I don’t know（whether he is in his office or not）.
—Would you like to go with us ?
—I’m glad to, but I have to finish my homework.
在used to, ought to, have to, would like/love to, wish to, be going to等结构中，常常省略to后面的动词原形。
（1）They do not visit their parents as much as they ought to.
（2）He doesn’t get up early as he used to.
（3）I’ll hand it in if I have to.
—Would you like to come tonight ?
—I’d love to.
Tell , warn , order , advise , ask等动词的宾语后面接动词不定式做宾语补足语时，可以省略to后面的动词原形。
（1）He wanted to swim across the river but I warned him not to.
（2）The boy wanted to play football in the street, but his mother told him not to.