【编者按】精品学习网英语四六级频道为大家收集整理了“考前必背：四六级写作常用句型 ”供大家参考，希望对大家有所帮助!
关于利弊、优缺点的句型：
1. S+have (or has) a lot of advantages over…(与…相比有许多优点)
Compared with B, A has (or have) many advantages.
译：1)澳大利亚与中国相比，其优点是人口少。
2) 英语 好是她的长处。
She has the advantage of good English.
2. be of great benefit to sb./sth. (对…有益)
译：你的计算机知识对你将来的工作十分有利。
3. …benefit sb./sth. (对…有好处) 译：这家新医院对整个社区有利。
Benefit from sth. (由于…而受益) 译：我们将从技术发明中受益。
4. …do (a lot of) good to sb. (对…有许多好处) 译：早晨锻炼对你很有好处。
…be good for sb./sth. (对…有益) 译：蔬菜和水果有利人的健康。
…do damage to sth. (对…造成损坏) 译：这次地震对城市建筑损坏严重。
5. …be as (not so) good as…, What he does is not so good as what he says.
6. …not so much…as…(与其说…, 不如说…。)
译：人口的迅速增长与其说是由于出生率年升还不如说是由于死亡率的下降。
7. It benefits us in many ways/respects.
8. Doing sth. is beneficial to…
1. While…has so many advantages, we should not ignore the problems it brings us.
2. Just as a coin has two sides, everything has its advantages and disadvantages.
说明原因的句型：
two
some
many
for…
to…
1. There are good reasons
Example: There are two reasons for the changes in people's living conditions. First, we have been carrying out an opening and reform policy. Second, our national economy is developing rapidly and the birth rate has been put under control.
2. We have two good reasons for…
Example: We have many good reasons to object to smoking in public places.
3. The reason for…is that +
Example: The reason for my being late was that I missed the bus.
4. Several factors are responsible for the phenomenon.
5. Their opinion is based on the fact that…
6. Those who are in favor of the …believe that…
7. These/ The following are my reasons for my choice.