i.用于文章主题句
1.不用说?...
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：不用说早睡早起是值得的。
it goes without saying that it pays to keep early hours.
2.. ..是不可能的;无法...
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：不可否认的?成功的事业关键在于健康的身心。
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：我深信预防是于治疗。
i am greatly convinced that prevention is better than cure.
4. 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.
5.. ..是很容易证明的。
it can be easily proved (that)子句
例：时间最珍贵是很容易证明的。
it can be easily proved that nothing is more precious than time.
6.. ..无论如何强调都不为过
... cannot be overemphasized
例：交通安全的重要性无论如何强调都不为过。
the importance of traffic safety cannot be overemphasized.
7.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 子句
例：就我的看法?打电动玩具既花费时间也有害健康。
in my opinion, playing video games not only takes much time but is also harmful to health.
8. (a)每个人都知道...
everyone knows (that)子句
(b)就我所知?…
as far as my knowledge is concerned, ...
例：就我所知?下列方法对我帮助很大。
as far as my knowledge is concerned, the following ways are of great help to me.
9. 毫无疑问地?…
there is no doubt (that)子句
例：毫无疑问地?近视在我国的年轻人中是一个严重的问题。
there is no doubt that near-sightedness is a serious problem among the youth of our country.
10. 根据我个人经验?…
according to my personal experience, ...
=based on my personal experience, ...
例：根据我个人经验?微笑已带给我许多好处。
according to my personal experience, smile has done me a lot of good.