1. 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 Taiwan's 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。
2. ……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。
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. 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.
5. 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.
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 shouldn't spend too much time on something we aren't 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 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。
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。
9. 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。
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。
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