引导词as表示“像……一样”

as连词，连接两个句子 

例句：  

1、种豆得豆，种瓜得瓜。We harvest as we sow.

2、随你便。As you like.

3、你没有像我爱你那样爱我。You don't love me as I love you.

4、找我说的做。Do as I told you.

5、我们就像潘洵那样学英语吧。

   Let's study English as Pan Xun did.

6、像我这样思考。Think as I think.

7、思想有多远，我们就走多远。We can reach as far as we expect.

8、爱人如爱己。Love others as you love yourself.

9、你能不能像我那样把注意力集中在学习上?

   Can you concentrate on study as I do?

10、国家领导人应该爱民如子。

   State leaders should care about their people as they do to their children.

引导词as if/as though表示“仿佛”

as if/as though连词，连接两个句子 

例句： 

1、我头疼，仿佛要炸开。

   I have a headache as if it would explode. 

2、He talks as though he is drunk.

3、They completely ignore these facts as if they never existed.