I. 用于文章主題句
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(yè)關鍵在于健康的身心。

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︰我深信預防是于治療。

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?guī)椭艽蟆?/p>

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(jù)我個人經驗，…

According to my personal experience，…

Based on my personal experience，…

例︰根據(jù)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.

11、在我認識的人當中，也許沒有一個人比…更值得我尊敬。

Of all the people I know，perhaps non deserves my respect more than …

例︰在我認識的人當中，也許沒有一個人比我的英文老師張老師更值得我尊敬。

Of all the people I know，perhaps non deserves my respect more than Miss Chang，my English teacher.

12、在我的求學過程中，我忘不了…

In the course of my schooling. I will never forget …

例︰在我的求學過程中，我忘不了學習英文所遭到的大困難。

In the course of my schooling. I will never forget the great difficulty I encountered in learning English.

13、(A)隨著人口的增加，…With the increase/growth of the population，…

(B)隨著科技的進步，…With the advance of science and technology，…

例︰隨著臺灣經濟的快速發(fā)展，許多社會問題產生了。

With the rapid development of Taiwan's economy，a lot of social problems have come to pass.

14、(A)在這信息的年代，…扮演重要的角色。

In the age of information and communication，… plays an important role.

(B)在今日工業(yè)社會中，…是生命不可或缺的。

In today's industrial society，… is indispensable to life.

例︰在這信息的年代，計算機扮演非常重要的角色。

In this age of information and communication，the computer plays an extremely important role.

15、在討論…，一個人不得不承認…。

In dealing with …，one cannot but admit (that)子句

例︰在討論未來的職業(yè)，一個人不得不承認盡早決定未來的職業(yè)很重要。

In dealing with one's future career，one cannot but admit that it is very important to decide one's future career as early as possible.

16、世上沒有什么比…更令我高興。

Nothing in the world can delight me so much as …

例︰世上沒有什么比到快餐店吃漢堡更令我高興。

Nothing in the world can delight me so much as having hamburgers in fast-food restaurants.

17、… 是必要的 It is necessary that S (should)V

… 是重要的 It is important/essential that S (should)V

… 是適當?shù)?It is proper that S (should)V

… 是緊急的 It is urgent that S (should)V

例︰我們當保持公共場所清潔是應當?shù)摹?/p>

It is proper that we (should) keep the public places clean.

18、每當我聽到…，我就忍不住感到興奮。Whenever I hear …，I cannot but feel excited.

每當我做…，我就忍不住感到悲傷。Whenever I do …，I cannot but feel sad.

每當我想到…，我就忍不住感到緊張。Whenever I think of …，I cannot but feel nervous.

每當我遭遇…，我就忍不住感到害怕。Whenever I meet with …，I cannot but feel frightened.

每當我看到… 我就忍不住感到驚訝。Whenever I see …，I cannot but feel surprised.

例︰每當我想到我家附近那一條清澈的小溪，我就忍不住感到悲傷。

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.

19、據(jù)說… It is said (that)子句

一般認為… It is thought (that)子句

大家都知道… It is known (that)子句

據(jù)報導… It is reported (that)子句

一般預料… It is expected (that)子句

一般估計… It is estimated (that)子句

一般相信… It is believed (that)子句

例︰一般相信閱讀增加我們的知識、擴大我們的心胸。

It is believed(that)reading increases our knowledge and broadens our mind.

20、…的主要理由是…

The main reason why ……… is (that)子句

例︰青少年犯罪的主要理由是社會環(huán)境日一敗壞。

The main reason why the juveniles commit crimes is that social environment is becoming worse.?