My father promised a computer to me if I got good marks in the exam.

Our manager promised me a rise.

promise sb. to do sth.：答应某人做某事

e.g. Promise me never to trouble me again.

She didn't promise me to go to the movie together with us.

promise sb. that ...

e.g. He promised me that he would never do it again.

I promise that I will lend you a hand when you have trouble.

Don't promise me with words that you will be good.

Vt. 有可能、希望（有......之虑）

e.g. This winter promises to be a severe one.

It promises to be fine tomorrow.

This promises to be an interesting evening.

Rainbow promises good weather

n. 诺言

e.g. make / give a promise：许诺； keep / carry out one's promise：遵守诺言；

break / go back on one's promise：违背诺言； a broken promise：未实践的诺言

　　　a written promise：书面保证

promising：有希望的、有前途的、有指望的

e.g. She is a promising student.

The weather is promising, but you'd better take an umbrella in case.

2、What if ....：1) 要是/如果......怎么办？

e.g. What if he fails to come for the meeting?

I may pass the test. What if I don't?

What if one day a huge stone from space hits our earth?

2) 即使......那又有什么关系

e.g. What if he gets angry?

What if we cancel the meeting?

3、set：vt. 确定（标准）、制定（规则等）

e.g. The teacher set very difficult questions for the exam.

Only Professor Wang can set standard for the contest.

Let's set the time for the meeting.

The date for the wedding was set for the first Sunday in May.

Who set the clock an hour faster?

A committee will set the rule for the company.

set：还可解释为：（太阳）下山、使......处于某种状态、点燃、放置、以......为背景等。

e.g. The sun sets earlier in winter ( than in summer).

His thoughtful question set all of us thinking deeply.

The boy set fire to his own house and it was burnt down in an hour.

Please set the piano in the corner.

The film was set in Paris in the early 1930s.

4、ban：n. 禁令、禁止，与on连用。

e.g. Do you know the ban on smoking in public places?

A ban on parking in this part will be in effect next month.