I. 用於文章主題句
1.不用說﹐…
It goes without saying that子句
= (It is) needless to say (that)子句
= It is obvious that子句
= Obviously, S. + V.

例︰不用說早睡早起是值得的。
It goes without saying that it pays to keep early hours.

2.…是不可能的; 無法…
There is no Ving
= There is no way of Ving.
= There is no possibility of Ving.
= It is impossible to V.
= It is out of the question to V.
= No one can V.
= We cannot V.
例︰不可否認的﹐成功的事業關鍵在於健康的身心。
There is not denying that successful business lies in a healthy body and mind.

3.我深信…
I am greatly convinced (that)子句
= I am greatly assured (that)子句
例︰我深信預防是於治療。
I am greatly convinced that prevention is better than cure.

4.在各種…之中﹐…
Among various kinds of …, …
= Of all the …, …
例︰在各種運動中﹐我尤其喜歡慢跑。
Among various kinds of sports, I like jogging in particular.

5....是很容易證明的。
It can be easily proved (that)子句
例︰時間最珍貴是很容易證明的。
It can be easily proved that nothing is more precious than time.

6.…無論如何強調都不為過
… cannot be overemphasized
例︰交通安全的重要性無論如何強調都不為過。
The importance of traffic safety cannot be overemphasized.

7.就我的看法﹐…；我認為…
In my opinion, …
= To my mind, ….
= As far as I am concerned, …
= I am of the opinion that子句
例︰就我的看法﹐打電動玩具既花費時間也有害健康。
In my opinion, playing video games not only takes much time but is also harmful to health.

8.(A) 每個人都知道…
Everyone knows (that)子句

(B) 就我所知﹐…
As far as my knowledge is concerned, …
例︰就我所知﹐下列方法對我幫助很大。
As far as my knowledge is concerned, the following ways are of great help to me.

9.毫無疑問地﹐…
There is no doubt (that)子句
例︰毫無疑問地﹐近視在我國的年輕人中是一個嚴重的問題。
There is no doubt that near-sightedness is a serious problem among the youth of our country.

10. 根據我個人經驗﹐…
According to my personal experience, …
= Based on my personal experience, …
例︰根據我個人經驗﹐微笑已帶給我許多好處。
According to my personal experience, smile has done me a lot of good.