大学英语必备八大语法写作结构
导语：在大学英语写作中，如何打造一篇高分文章，词汇多变且句型丰富是重点。前者比较容易做到，后者需要扎实的语法基础。接下来小编为大家总结了丰富句子的八大语法结构，希望对各位同学有所帮助。
▶1. 主动句变被动句
“英文多被动，汉语多主动”，还需要警惕名词与动词之间暗含的“主被动”关系。
Eg1: It is said that …据说/相传
Eg2：I suggest that … It is suggested that …
Eg3：Effective measures should be taken before things get worse.表建议
Eg4: your prompt attention to my enquiry would be highly appreciated. 表感激
Eg5：Students should study hard.
Students are expected / well-advised to study hard.
▶2. 简单句变从句
名词性从句，含主语从句、宾语从句、表语从句和同位语从句四种;定语从句;状语从句
A. 主语从句：
Eg1：What worries many parents is that Internet or computer games may impact kids’ study.
Eg2：It is said that an emperor of ancient China discovered Tea 5,000 years ago. (it为形式主语;that从句为真正主语)
B.宾语从句：
Eg1：Many Americans live on credit, and their quality of life is measured by how much they can borrow, not by how much they can earn.
Eg2: I am convinced that it is of great necessity for youngsters to study hard.
Eg3：明智的人不为别人的'想法所影响。The sensible man is not influenced by what other people think.
C. 表语从句：
Eg1：That is why China is called the “Kingdom of Bicycles”.
Eg3：In team games, practice is what improves our sense of cooperation.
D. 同位语从句
Eg1：(Martin Luther King) I have a dream that one day this nation will rise up and live out the true meaning of its creed: "We hold these truths to be self-evident, that all men are created equal." (该句中a dream = that 从句，)
Eg2：Others hold the different idea that online shopping brings us some problems.
E. 含同位语句式
A.人 身份
Eg. I am convinced that …
As a college student, I am convinced that …
I, as a college student, am convinced that …
B. 物 性质
Eg. A strong will brings us power …
As a vital quality, a strong will brings us power…
A strong will, as a vital quality, brings us power…
插入语
Eg1：As I see, the causes of this phenomenon are diverse.
The causes of this phenomenon, as I see, are diverse.
Eg2：All of a sudden, the silence of the lake was broken by a scream.
The silence of the lake, all of a sudden, was broken by a scream.
Eg3：Even so, others hold a different view.
Others, even so, hold a different view.
Eg4：Like anything else, automobiles have more than one side. (汽车跟很多其他事物一样，具有两面性)
Automobiles, like anything else, have more than one side.
F. 定语从句：
步骤：1)先写出正确简单句，确定被修饰成分(中心名词)
2)在中心名词后加入定从，关系词who, whose, whom, where, which, when
Eg1：Taobao is a particularly popular website. ? Taobao is a particularly popular website, where/in which customers can purchase various goods.
Eg2：I will advice my foreign friend to visit Great Wall, where he or she can acquire knowledge of Chinese history.?