句型1：It takes/took (sb) …to do sth 做某事要花费或需要……
It takes about half an hour to get to the school.
It took her three hours to repair her bike.
It only takes one careless driver to cause an accident.
It takes two to make a quarrel.
句型2：There is no doubt that …毫无疑问……
There is no doubt that she will keep her word.
There is no doubt at all that we did the right thing.
句型3： It’s obvious/ clear that …很显然……
It is obvious to everyone that the child had been badly treated.
It is obvious from what she said that something is wrong.
句型 4：Have you thought about …?你曾考虑过……吗？
Have you thought about being unfaithful?
Have you thought about suicide?
句型5：There is no point (in) doing sth …做某事是没有用的或没有意义的。
There is no point in learning?
There is no point in studying English / living /everything /loving.
句型6：turn out 结果，证明是，造就
The party turned out to be quite a success.
He turned out to be fit for the position.
QingHua University has turned out a lot of excellent scholars.
句型7：use up run out 用光，用尽
We have used up all the rice.
Our food soon ran out.
句型8：It is (not) necessary to be /to do 成为（做）什么是（不）必要的。
It is not necessary to be a good person to to do good thing.
It is necessary (for us ) to work hard.
句型9：The most important thing is to do …最重要的事情是……
The most important thing is to study English.
The most important thing is not to win, but to take part.
句型10：more than 不仅仅，不只
China Daily is more than a newspaper. It helps us to improve our english.
A National flag is more than a piece of cloth. It stands for a country.
The museum is more than a museum. It’s a school.
句型11：rather than 而不是
He decided to write to rather than to phone.
I’d like to go there in autumn rather than in summer.
句型12：make sure that 确保
Make sure that you have closed the window.
句型13：even if / even though即便，即使
We’ll try to finish the work in time even though we are short of manpower.
Even though he was very busy, he should have given you some help.
句型14：it is the first time that…(从句用现在完成时态) / it was the first time that …（从句用过去完成时态）
It was the first time that I had written with real passion.
It is the first time that I have been here.
It is the third time that I have attended such a wonderful party.
句型15：suffer from 【suffer 指一般的损害、痛苦等等，但suffer from指长期的或习惯性的痛苦或困难。】
He died very quickly, he didn’t suffer much. (suffer 当不及物动词讲时，vi 受痛苦；受损害)
You must be prepared to suffer consequences. (suffer 当及物动词讲时，vt.遭受；忍受)
She suffers from headache. I’m suffering from a real lack of time this week.
句型 16：it is (not ) easy to do sth
It is not easy to get him to change his mind.
句型 17： make / find / feel / think +it +adj +(for sb )+ to do sth
He found it hard to work out the math problem.
I found it hard to speak English well. I think it difficult to look after a baby.
句型18：It is convenient to do sth
It is convenient to live close to your school.
When would it be convenient for you to go?
If it is convenient to you today, please post the letter for me on your way home.
句型19：I must say (=in my opinion)
I must say no one here will believe what you have said.