1. for the first time 第一次;首先 at first; first of all
2. have a good flight (坐飞机)旅途愉快
3. all the way 一路
4. at all (否定：根本; 疑问：到底; 条件：竟然)
above all 首先;首要的 after all 毕竟; in all 总共
5. make oneself at home 不拘束， 别客气
6. There you are. 你来了。 Here you are. 给你。
7. all around the world 世界各地 throughout the world
8. the majority of 大多数的 the minority of 9. in total; in all; altogether 总共
10. the number of …的数量 (large; small 谓语动词单数)
a number of 一些; 许多
11. except for 除了...之外; 要不是
except 除了...都; besides 除了...还;except +从句
except (除去)指在整体中除去行为未发生者 (不包括在内)
except for (除了…之外)指在一个整体中除去其中某个或某些因素，前后两个名词性质不同。 except that (除去;除掉) 后接从句，还有except when, except what; except where等 besides (除了…还) 包括在整体之内
but (除了...之外) 和except 同义，与否定词或疑问词连用
This is the famous singerabout whom we have often talked.这就是那位我们经常谈论的著名歌唱家。
Fortunately we had a map, without which we would have got lost. 很幸运，我们带了一张地图，如没有的话，我们就会迷路了。
Please pass me the book the cover of which is blue. 请把那本蓝封面的书递给我。(也可用whose cover)
She's got three lucky pens, two of which she never uses. 她有三只幸运笔，其中两只从未用过。
In our school there are about 200 teachers, thirty percent of whom are women. 我校大约有200位教师，其中百分之三十是女教师。
In the basket I find many apples, some o which have gone bad.我发现篮子里有好些苹果，有些已经坏了。
There are fifty students in our class, most of whom are from big cities. 我们班有50个学生，其中大多数来自大城市。
Norman won $50,000, half of which he gave to his parents. 诺曼赢得五万美元，他将其中一半给了他父母。
Tom tried on three shirt, none of which he was satisfied with. 汤姆试穿了三件衬衫，都不满意。
China has thousands of islands, the largest of which is Taiwan. 中国有数千个岛屿，其中最大的是台湾。
(1)am/is/are +done (过去分词) 一般现在时
例Visitors are requested not to touch the exhibits.
(2)has /have been done 现在完成时
例All the preparations for the task have been completed,
and we’re ready to start.
(3)am/is /are being done 现在进行时
例A new cinema is being built here.
(4)was/were done 一般过去时
例I was given ten minutes to decide whether I should reject the offer.
(5)had been done 过去完成时
例 By the end of last year, another new gymnasium had been completed in Beijing.
(6)was/were being done 过去进行时
例A meeting was being held when I was there.
(7)shall/will be done 一般将来时
例Hundreds of jobs will be lost if the factory closes.
(8)should/would be done 过去将来时
例The news would be sent to the soldier’s mother as soon as it arrived.
(9)shall/will have been done 将来完成时(少用)
例The project will have been completed before July.
(10)should/would have been done 过去将来完成时(少用)
例He told me that his new clothes would have been made very soon.