雅思7分写作 | 3种必须出现的句型分析

* 复合句

简称：Compound Sentence - 复合句，也叫并列句

改写复合句

*Fossil fuels pollute the environment therefore （因果） we should stop using them.

*Fossil fuels pollute the environment and furthermore （递进） they will soon ran out.

*Fossil fuels pollute the environment however （转折）it is still a major source of energy.

从改写的句子我们可以看出，复合句的前后两个句子都是独立的简单句构成的。我们在写作的时候，去扩展一个句子里的信息，并列句是最简单的方式之一。

*Embedded Clause - 插入式从句，使得句子信息更加详细

简单句：Many teenagers have a part time job to save extra money.

改写插入式从句

*Many teenagers have a part time job, which is often poorly paid, to save extra money.

*Many teenagers, who are studying full time, have a part time job to save extra money.

*Complex Sentence - 复杂句, 一个独立的句子和一个非独立的句子构成

简单句：Policeman work for long hours with little time for breaks in the day.

*Policeman work for long hours with little time for breaks in the day, or at any time.

*Policeman work for long hours with little time for breaks in the day, adding to their stress and poor health.