表示原因

There are three reasons for this.

The reasons for this are as follows.

The reason for this is obvious.

The reason for this is not far to seek.

The reason for this is that...

We have good reason to believe that...

表示好处

It has the following advantages.

It does us a lot of good.

It benefits us quite a lot.

It is beneficial to us.

It is of great benefit to us.

表示坏处

It has more disadvantages than advantages.

It does us much harm.

It is harmful to us.

表示比较

The advantage far outweighs the disadvantages.

The advantages of A are much greater than the disadvantages of B.

表示结果

...（结果）..., owing to （原因）

...（结果）..., attributable to（原因）

...（结果） lie in the fact

表示时间

It is time + S + 过去式

表示条件

On no account can we + V ~~~

It is time + S + 过去式

There is no one but ~~~

be + forced/compelled/obliged + to + V

表示举例

In order to attract more customers, advertisers have adopted every possible stimulative factor in making ads.

这些句型可以帮助您在六级作文中更准确地表达自己的观点，使文章更具说服力和连贯性。希望这些信息对您有所帮助!