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以下是托福考试(托福培训)中托福短文写作中使用率、覆盖面最广的基本句式，每组句式的功能相同或相似，考生可根据自己的情况选择其中的1－2个，做到能够熟练正确地仿写或套用，希望对考生复习有所帮助。

1、表示原因

      1）There are three reasons for this.

2）The reasons for this are as follows.

3）The reason for this is obvious.

4）The reason for this is not far to seek.

5）The reason for this is that.。.

例如： There are three reasons for the changes that have taken place in our life.Firstly，peoples living standard has been greatly improved.Secondly，most people are well paid，and they can afford what they need or like.Last but not least
，more and more people prefer to enjoy modern life.

2、表示好处

      1）It has the following advantages.

2）It does us a lot of good.

3）It benefits us quite a lot.

4）It is beneficial to us.

5）It is of great benefit to us.

例如： Books are like friends.They can help us know the world better，and they can open our minds and widen our horizons.Therefore，reading extensively is of great benefit to us.

3、表示坏处

      1）It has more disadvantages than advantages.

2）It does us much harm.

3）It is harmfulto us.

例如：However，everything dividesinto two.Television can also be harmful to us.It can do harm to our health and make us lazy if we spend too much time watching televi- sion.

(本文由新航道集团整理发布     责编：王彦兮)