1)It is+形容詞+that
It is conceivable that knowledge plays an important role in our life.
可想而知，知識在我們的一生中扮演著一個重要的角色。
2)It is+形容詞+to do/ doing
She had said what it was necessary to say.
她已經說了一切有必要說的話。
3)祈使句/名詞+and/ or
Work hard, and you will finally be able to reach your destination.
努力工作，你就能實現自己的目標。
4)as+many/ much+名詞+as
It is said that visitors spend only half as much money in a day in Leeds as in Lon-don.
據說，游客每天在利茲的花銷僅為在倫敦的一半。
5)倍數詞+as+形容詞+as
The reservoir is three times as big as it was ten years ago.
這個水庫的面積是十年前三倍。
6) 倍數詞+ more +名詞/形容詞十than
Smoking is so harmful to personal health that it kills seven times more people each year than automobile accidents.
吸煙對人體健康的危害極大，每年死于吸煙的人比死于車禍的人多七倍。
7)(not)as/ so...as(和……(不)一樣)
The environmental problems are not as serious as they suggested in their report.
環(huán)境問題沒有他們在報告中說得那么嚴重。
8)no more...than(與……一樣不)
She is no more fit to be a manager than a schoolgirl would be
一個女學生固然不宜當經理，她也同樣不宜。
9)Nothing is more...than(沒有比……更……的;……是最……的)
Nothing is more important thanto receive education.
沒有比接受教育更重要的事。
10)感官動詞+of+名詞
They hurriedly escaped into a cave that smelt of terror.
他們倉皇地逃人一個充滿恐怖氣氛的山洞。
11)without/ not so much as(甚至沒有)
Disappointed with her husband，Mary left home without so much as looking back at him.
出于對丈夫的失望，瑪麗離開了家，甚至都沒有回頭看他一眼。
12)may/ might as well(…as)(與其……還不如……)
One may as well not know a thing at all as know but imperfectly.
與其一知半解還不如徹底蒙在鼓里。
13)too...to(太……而不能……;極其地)
It was not too bright of them to settle in an area where earthquakes frequently occur
他們選擇在地震多發(fā)的地區(qū)定居，這可不是個明智的決定。
14)only to find/ see(結果卻;沒想到會)
He spent almost all his money to buy the hen which was said to be able to lay gold eggs, only to find it could not lay eggs at all.
為了買那只據說能下金蛋的母雞，他幾乎傾家蕩產，沒想到這只雞根本不會下蛋。
15)It is undoubted that/ There is no doubt that(毫無疑問，……)
There is no doubt that war can be avoided if we get down to peace talk.
毫無疑問，如果我們肯認真和談就能避免戰(zhàn)爭。
16)rather than(而不是……)
Rather than pursue money to achieve happiness，we should focus on the improvement of ourselves.
我們應該集中精力改善自我，而不是追求金錢的享樂。
17)not... until(直到……才)
We can't release the film until we have the approval from the authority concerned.
直到獲得有關當局的批準我們才能發(fā)行那部電影。
18)so/ such(…)that(如此……以至于)
With the rumor spreading fast, their anxiety was such that they could not sleep/they became so anxious that they could not sleep.
在謠言迅速散播的情況下，他們焦慮異常，無法人睡。
19)(The) chances are that(很可能……)
Chances are thatshe has already known it, and there is no need for us to keep the secret.
她很可能已經知道了，所以我們沒有必要再保守這個秘密。
20)It occurred to sb. that(突然想到……)
It had never occurred to Cinderella she would become a princess someday.
辛德瑞拉從來沒有想到她會成為一位王妃。
21)not...but...(不是……而是……)
To our disappointment, the plan caused not development but destruction.
讓我們失望的是，這個計劃帶來的不是進步而是破壞。
22)It is taken for granted that(……被認為是理所當然的)
It has been taken for granted that women should take on all the housework.
多年來人們一直認為女性做家務是理所當然的。
23)It is/ was said that(據說)
It is said that man is the least biologically determined species of all because he possesses features absent in other natural species.
據說人類是生物學上最難歸類的物種，因為人類擁有其他天然物種所缺乏的特性。
24)When it comes to...(提及，當提到……的時候)
When it comes to physics, I know nothing.
談到物理學，我一無所知。
25)be not much of a...(是個不太好的……)
Mike is not much of a teacher for he often skips from one subject to another.
麥克不是個好老師，因為他總是從一個話題跳轉到另一個話題。
26)As far as sb./sth. is concerned(就……而言，在……看來)
As far as I am concerned, fashion belongs to women.
在我看來，時尚是屬于女性的。
27)not only...but also(不但……而且……)
Shakespeare is not only a great playwright but also a brilliant poet.
莎士比亞不僅是一位偉大的劇作家而且是一位才華橫溢的詩人。
28)(n) either...(n) or...(既不……也不……;或者……或者……)
Liking neither the story nor the background music, he fell asleep in the cinema.
他既不喜歡故事情節(jié)也不喜歡背景音樂, 所以在電影院里睡著了。
29)no sooner than/ hardly when/ scarcely when(剛……就……)
I had hardly opened the door when he rushed in.
我剛開門他就沖進來了。
30)the more…the more(越……越……)
The fastera country’s economy develops, the slower its population grows.
一個國家的經濟發(fā)展越快，它的人口增長就越慢。
