例：I think it necessary to explore the space. 我认为探索太空是有必要的。
例：They found it strange that no one would take the money.
例：I had my pen stolen. 我的笔被偷了。
例：They found her lying in bed reading a novel.
例：In 1849, he went to England and made London the base for his revolutionary work.
I think him an honest man.我认为他是一个诚实的人。
例：I can't find him in the office.我在办公室外没有发现他。
(7) What do you find the hardest in... 你觉得……最大的困难是什么
例句：What do you find the hardest in learning English
(1) Suppose/ Supposing ---, 假如……
例：Suppose/Supposing he is absent, what shall we do?
(2) On condition that只要……；如果……
例：I'll come on condition that John is invited, too.
(3) provided (that)/ providing ----- 只要……
I will come provided (that) I am well enough. 只要我身体好，我一定来。
You may go out providing you do your homework first.
(4) so/as long as
例：As/So long as you work hard, you'll succeed in the end.
(5) 祈使句+and + 陈述句(表肯定）
例：Give him an inch and he’ll take a mile.
(= If you give him an inch, he’ll take a mile. ) 他会得寸进尺的。
(6) 祈使句+ or/otherwise +陈述句 (表否定）
例：Start at once, or / otherwise you’ll miss the train.
(= If you don’t start at once, …)
(= Unless you start at once, you’ll miss the train.)
(7) …won't...unless... 除非……否则我不会…….
例句：I won't write to him unless he writes to me first.
(1) A differs from B in that…(A不同于B在于……)
例：She differs from her sister in the colour of her eyes.
(2) ...varies from person to person(……是因人而异的)
例：The opinion of the problem varies from person to person.
(3) A is superior(inferior) to B. A 优越于B
例：The modal is technically superior to its competitors.
Some consider digital TV to be superior to satellite TV.
(4) be different from
例：Its meaning can be completely different from the meaning of its components.
(5) be inferior to
例：Modern music is often considered inferior to that of the past.
(6) A and B have sth in common. A 和B 有共同点。
例：The Japanese and Chinese cultures have a lot in common.
34、必须背诵的There be 句型：
(1) There is no immediate solution to the problem .
(2) There is no denying that + S + V ...（不可否认的...）
例：There is no denying that the qualities of our living have gone from bad
to worse. 不可否认的，我们的生活品质已经每况愈下。
(3) There is no doubt that... 毫无疑问,…….
例句：There is no doubt that health is better than wealth.
(4) There's no point in... ……是无意义的.
例句：There's no point in getting angry when things have happened.
(5) There's no way... ……绝不可能.
例句：There's no way one could succeed without hard work.
(6) There is no one but ~~~ （没有人不...）
例句：There is no one but longs to go to college.
(7)There is no need/use/harm/hurry in doing sth
例：There is no need in spending money mending the broken car.
There is no use in regretting when time passed by.
There is no harm in using the environmentally friendly products.
There is no hurry in running to school for time is still enough.
(8) There no/some difficulty/trouble (in) doing sth
例：There is no trouble in selling our car.
(1) the first time 引导的状语从句
例：I thought her nice and honest the first time I met her.
(2) (the) next time 引导的状语从句
例：The harvest will have been got in (the) next time you come.
(3) the last time 引导的状语从句
例：What was the name of the hotel he had stayed in the last time he was in Cairo?
(4) each time/every time 引导的状语从句
例：Every time you get back at night, you drop your shoes on the floor.
(5) It is ／was the first／last／second ／third time ＋从句（完成时态）
例：This is the first time I have been here 这是我第一次到这儿。
(6)It is high time that sb did (should do) sth 该……的时候了。
例句：It is high time that we went to the classroom.
(7) by the time + 从句 就在……时候；到……时候为止
例：We'll be ready by the time you get back.
(8) It's time for sb to do sth
例：It’s time for me to log off. 我该关机/下线了。
(9) It's time for sth
例：It's time for lunch. 午餐的时间到了。
(1) The point is that ... 重点/关键是…….
例句：The point is that you have to keep your promise to help her with her English.
(2) The chance is that … 有可能……
例：The chance is that he will succeed. 他很有可能成功。
(3) The fact is that … 事实是……
例：The fact is that he hasn’t yet recover from illness.
(4) The problem/question is that … 问题是……
例：The question is whether we should ask them for help.
(5)That is ---
例：That is where Lu Xun used to live. 这是鲁迅过去住过的地方。
(1) only 倒装句
例：Only with hard work can you expect to get a pay rise.
Only when he told me about the news did I know the truth.
(2) so 倒装句
例：So precious is time that we can’t afford to waste it.
(3) such 倒装句
例：Such was the story he told. 这就是他讲的故事。
Such a well-known man is he that everyone wants to take a photo with him.
例：On no account can we ignore the value of knowledge.
例：Outside the classroom stood an old man. 在教室的外面站着一位老人。
例：Seated on the ground are a group of young men playing cards.
Lying on the floor was a boy aged about seventeen.
(7) not only --- but also 倒装句
例：Not only was the city polluted but the streets were crowded.
Not only has aspirin saved many people’s lives by reducing fever and helping stop pain, but there are also other things that aspirin can help with.
(1) so that （引导结果状语从句）结果……
例：We were late so that the teacher was angry.
(2) so that = in order that （目的状语从句）以便，为了
例：I hurried so that I wouldn't be late for class．
In order that he should not be late, his mother woke him at 6.
(3) so +形容词+（或a/an+ 名词）+that 如此……以致于……
例：I've been working so hard recently that I haven't had any time for collecting new stamps. 我近来一直很忙，没时间搜集新邮票。
(4) such +名词（或an/a+形容词 + 名词）+--- that
例：It is such an unusual work of art that everyone wants to have a look at it
(1) too 用于肯定
例：I like the book, too. 我也喜欢这本书。
(2) also 用于陈述句
例：She also speaks a little Italian. 她也会说一点意大利语。
(3) either 用于否定句
例：Peter can't go and I can't either. Peter 不能去，我也不能。
(4) so 用于肯定的倒装句
例：You speak English well, so does he.
(5) neither/nor 用于否定的倒装句
例：I have never heard of such a thing, Neither has she.
Tom didn’t finish his homework. Nor did Jane.
(6) as well 用于句末
例：He knows German as well. 他也懂德语。
(7) so it is/was with = so it is/was the same with 用于包含不同种类的动词
例：Jack is a student and studies in China. So it is with Green.
(8) The same is true of……，
例：The music is dull and uninspiring, and the same is true of the acting.
(9) The same can be said of…… (……也是如此).
例：The same can be said of our country, also a developing one.
(1) 由where 引导
例：The suggestion where we should build our new factory should be considered.
例：I have no idea what he did. 我不知道他做了什么。
(3) 由whether 引导
例：The question whether he’ll attend the meeting is not decided.
例：The question who will go abroad needs considering.
(5) 由when 引导
例：I have no idea when they will be back and settle down.
(6) 由that 引导
例：The suggestion that the students should have plenty of exercise is very
(7) 由how 引导
例：He can’t answer the question how he got the money.
(8) 由why 引导
例: We don’t understand the problem why this is the best choice.