1. 不用说 It goes without saying that
= (It is) needless to say (that) .
= It is obvious that .
例：不用说早睡早起是值得的。
It goes without saying that it pays to keep early hours.
2. 在各种之中， Among various kinds of , /= Of all the ,
例︰在各种运动中我尤其喜欢慢跑。
Among various kinds of sports, I like jogging in particular.
3. 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 .
例：In my opinion, playing video games not only takes much time but is also harmful to health.
就我的看法打电动玩具既花费时间也有害健康。
4. 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 and technology,
例：With the rapid development of Taiwans economy, a lot of social problems have come to pass.
随着台湾经济的快速发展许多社会问题产生了。
5. 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
是适当的 It is proper (for sb.) to do / that
是紧急的 It is urgent (for sb.) to do / that
例：It is proper for us to keep the public places clean.
It is proper that we (should) keep the public places clean.
我们应当保持公共场所清洁。
6. 花费 spend on sth. / doing sth.
例：我们不应该在我们不感兴趣的事情上花太多的时间。
We shouldnt spend too much time on something we arent interested in.
7. how 引导的感叹句
例：那至少可以证明你很诚实。
At least it will prove how honest you are.
8. 状语从句
A) 如果你不，你就会 If you dont ..., youll ...
例︰If you dont keep working hard, youll lose the chance.
如果你不坚持努力工作，你就会失去这次机会。
B) 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。
C) 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。
9. 宾语从句
我认为， / 我认为不 I think / I dont think that
我想知道是否 I wonder whether
例：He doesnt 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。
10. 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。