在托福考试中比较难拿分的想必大家都知道要属托福听力和托福写作这连个科目了，同时也是各位考生最花精力去备考的。今天就为大家解析托福写作中必须学会的从句。希望能够给各位考生带来帮助。

　　主语从句

　　Eg: What has caught our attention is /It is noticeable that the environment in both the rural and urban areas is deteriorating.

　　值得注意的是农村和城市的生态环境都在不断恶化。

　　Eg: It is universally acknowledged that environmental pollution becomes one of the most serious problems in China or even the world as a whole.

　　众所周知，环境污染问题是中国乃至世界面临的最为严重的问题之一。

　　同位语从句

　　Eg: It is an undeniable fact that environmental pollution becomes increasingly serious.

　　环境污染变得越来越严重是不可否认的事实。

　　Eg: No one can deny the basic fact that it is impossible for average workers to master those high-technology skills easily.

　　没有人能否认这一基本事实：对于一般工人来讲，轻松掌握这些技术是不可能的。

　　倒装句

　　Eg: Only if the government takes some appropriate measures, will this intractable problem be tackled.

　　只有政府采取适当的措施，这个棘手的问题才能被解决。

　　强调句: It is + 被强调的内容 + that

　　Eg: It is cars and factories that release a great deal of gases, polluting the environment.

　　汽车和工厂排放大量的废气，使得环境被污染。

　　以上这些从句的运用你都学会了吗?希望大家能学会在考试中运用到哦。