1. It is considered /thought that
人们(有人,大家)认为
2. It is generally /usually accepted /agreed/recognized that
普遍(一般,通常)认为
3. It is believed that
有人(人们,大家)相信
4. It is well-known that
大家知道(众所周知)
5. It is said that
据说(有人说)
6. It is learned that
据闻(悉)
7. It is supposed that
据推测
8. It is estimated/predicted/calculated that
据估计(预计)
9. It must be pointed that
必须指出
10. It is reported that
据报道
11. It must be admitted that
必须承认
12. It will be seen that
可见(可以看出)
13. It will be seen from this that
由此可见
14. It is understood that
不用说(都知道)
15. It can not be denied that
无可否认
16. It has been proved/demonstrated that
已经证明
17. It may be confirmed that
可以肯定
18. It may be safely said that
可以有把握地说
19. It is sometimes asked that
人们有时会问
20. It is expected that/hoped that
人们希望
21. When it comes to
要说到,要谈及
22. 不用说……
It goes without saying that …
= (It is) needless to say (that)
23.在各种……之中
Among various kinds of …, … / = Of all the …, …
24. 就我的看法……；我认为……
In my opinion, …
= To my mind, ….
= As far as I am concerned, …
= I am of the opinion that ….
25. 随着……
随着人口的增加……
With the increase/growth of the population, …
随着科技的进步……
With the advance of science
26. It is … that
……是必要的
It is necessary (for sb.) to do/that …
……是重要的
It is important/essential (for sb.) to do / that …
27. 花费
spend … on sth. / doing sth. …
28. how 引导的感叹句
【例】At least it will prove how honest you are.
那至少可以证明你很诚实。
29. 状语从句
（1）如果你不…，你就会… If you don’t ..., you’ll ...
【例】If you don’t keep working hard, you’ll lose the chance.
如果你不坚持努力工作，你就会失去这次机会。
（2）如此 ……，以至于…… so … that …
【例】At that moment, I was so upset that I wanted to give up.
当时，我非常伤心，最后都想放弃了。
（3）每当我听到……我就忍不住感到兴奋。
Whenever I hear …, I cannot but feel excited.
每当我做……我就忍不住感到悲伤。
Whenever I do …, I cannot but feel sad.
每当我想到……我就忍不住感到紧张。
Whenever I think of …, I cannot but feel nervous.
每当我遭遇……我就忍不住感到害怕。
Whenever I meet with …, I cannot but feel frightened.
每当我看到……我就忍不住感到惊讶。
Whenever I see …, I cannot but feel surprised.
【例】Whenever I think of the clean brook near my home, I cannot but feel sad.
= Every time I think of the clean brook near my home, I cannot help feeling sad.
每当我想到我家附近那一条清澈的小溪我就忍不住感到悲伤。
30. 宾语从句
我认为，…… / 我认为……不...... I think / I don’t think that …
我想知道是否…… I wonder whether …
【例】He doesn’t think I should stop him joining the club.
他认为我不应该阻止他参加这个俱乐部。
31. Since + S + 过去式, S + 现在完成式.
【例】Since he went to senior high school, he has worked very hard.
自从他上高中，他就一直很用功。
