1．时态：本文以一般现在时和一般将来时为主，个别地方也可能用到现在完成时或现在进行时等。

2．人称：以第一、第二人称为主，少数句子中会用到第三人称。

3．目的：表达个人观点并陈述理由。

必备词汇

1．国际购物中心an international shopping center

2．无烟超市Non­smoking Supermarket

3．在我看来in my opinion/view

4．不但......而且......not only...but also...

5．对......有好处do good to...

6．放弃give up

7．作为回报in return

8．另外in addition

9．总而言之all in all

10．正相反on the contrary

句式升级

1．它可以帮助吸烟者少吸烟，对其他顾客的健康也有好处。

It can help the smokers to smoke less and it can also do good to other customers' health.

Not only can it help the smokers to smoke less，but it can also do good to other customers' health.(not only...but also...)

2．他们会很高兴听从你的建议，不会再考虑自己的权利和自由了。

They will be happy to follow your suggestions and they won't consider their own rights and freedom again.

They will be happy to follow your suggestions，not considering their own rights and freedom again.(现在分词短语作伴随状语)

3．另外，在购物中心吸烟可能导致火灾，对于你的财产和顾客都是非常危险的。