2016年12月大學英語六級語法解析之同位語從句
導語：十二月快來啦，大學英語六級考試也快到了，下面是小編收集的一些六級基礎語法，供您參考，希望能帶給您幫助。
名詞性從句：主語從句、賓語從句、表語從句及同位語從句;
定義：在句子中起名詞作用的句子，且在句子中能擔任主語、賓語、表語、同位語、介詞賓語等成分;
(1)同位語從句
eg：I know the man, the president of the New Oriental School.
同位語從句：對前面名詞的進一步解釋;
英語中的簡單句：陳述句、一般疑問句、特殊疑問句。
eg：He is a student.
Are you a student?
Who is a student?
同位語從句：關系詞不再和前面的`名詞有關系，而是取決于后面的從句;
eg：I know the fact.
He is a student.
I know the fact that he is a student.
eg：I have a question.
Are you a student?
I have a question whether you are a student.
I have a question who is a student.
① 從句仍然接在名詞之后，名詞有可能為answer，belief，concept，explanation，fact，hope, message, news, promise, prove, question, thought等，后面可以接同位語從句; 形式：名詞+從句;連接詞取決于后面的從句是什么樣的形式; 如果是陳述句，直接加that引導; 一般疑問句：先把一般疑問句變成陳述句語序，然后在其前加上weather或者if; 特殊疑問句：直接保留特殊疑問詞，后面的句子變成陳述句語序;
eg： The news soon spread the whole school.
They had won the game.
The news that they had won the game soon spread the whole school.
The news that they had won the game came.
News came that they had won the game.
eg： Information has been issued.
More middle school student will be admitted to universities. Information that more middle school student will be admitted to universities has been issued. Information has been issued that more middle school student will be admitted to universities.
eg： The question was answered by the family doctor
Weather we should send for a specialist.
The question whether we should send for a specialist was answered by the family doctor.
同位語從句的形式和定語從句的形式非常相似，兩者最大的區別在于同位語從句的功能在于對前面的名詞進行進一步的解釋，定語從句的功能在于對前面的名詞進行進一步的修飾和限定;
如果關系詞為weather，how, what, 一定是同位語從句; 如果名詞前的關系詞為when, where, why，若when前面的名詞是地點，where前面的名詞是時間，why 前面的名詞是原因，那么一定是定語從句;若when, where, why前面不是地點、時間和原因，那么是同位語從句; 如果關系詞為which，則通過中文翻譯進行區分;若which能翻譯成哪一個，則一定是同位語從句，若不能，則為定語從句; 如果關系詞為that，則需要對句子進行成分分析來判定;如果that在句子中充當成分，則是定語從句，否則即為同位語從句;
eg：The suggestion that she should stay in the room is good.
The suggestion that she has given in the meeting is good.
例：The fact that ordinary citizens are now starting to think seriously about the nation's moral climate, says this ethics professor at the University of Chicago, is reason to hope that new ideas will come forward to improve it.
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