(一)....has both advantages and disadvantages.……既有利又有弊。
1.Obviously television has both advantages and disadvantages.
2.Living in a city has both advantages and disadvantages.
3.Compared with cars，bikes have their advantages and disadvantages.
类似句式
1.Although computers bring people a lot of convenience，they have many disadvantages.
2....has many advantages.For example，...However，just as every coin has two sides，...has its disadvantages.(本例将利弊分开讲，转折过渡自然。just as every coinhas two sides也很值得背诵。)
(二)....play(s)an important role /part in...……在……中扮演重要角色/起重要作用。
1.Computersplay an important role in science and technology.
2.Computers play a more and more important role in our life.
Computers play an increasingly important role in our studies.
3.Education plays an important part in developing our mind.
4.Addiction to alcohol and drugs play a role in homelessness.
类似句式
1.Advertisement plays an informative role in our daily life.
2.In the past，letters played a decisive role in long-distance communication.But now ，telephone，email，fax have taken their place.
(三)I.With the development of...，随着……的发展，
1.With the development ofour economy，m any Chinese families can afford a car.
2.With the development of our economy and society，pollution is more and more serious.
3.With the rapid development of science and technology，people can get a college degree by taking online-courses at home.
类似句式
1.With the rapid increase of China's population，housing problem is becoming more and more serious.
随着中国人口的急剧增加，住房问题越来越突出。
(四)It is important for 某某事非常重要的
1，It is important for everyone to learn English well in our rapidly developing world 在这个迅速发展的世界里，对每个人来说，学好英语是非常重要的。
类似句式：
It is important/(necessary, difficult, convenient, possible)for sb. to do sth
1、 It is necessary to shake hands when you first meet someone与第一次见面的人握手是非常重要的
(五)The+比较级..., the+比较级...
1，,The harderyou work at it, the more progress you will make. 你工作越努力，你取得的进步就越大。
类似句式
比较级+and+比较级(The world is getting smaller and smaller.)
编辑点评： 在英语写作过程中，恰当的句型运用可以为你的英语写作增色添彩，再次小编提议收集一些英文作文的常用句式，希望能为同学们在写作的时候带来一些帮助。
