1、as引導的定語從句一.as引導的限制性定語從句主要構造有：the sameas , asas , suchas , soas主句中出現(xiàn)the same, as, such, so修飾先行詞，用as作主語或賓語。eg: Its the same person as we wanted to find yesterday .我們昨天要找的是同一個人。 Do you have such books as we like ?你有我們喜歡那種書嗎？二、引導非限制性定語從句as引導非限制性定語從句，指代整個主句內(nèi)容，從句可置于句首，句中或句尾eg: As everyone knows ,China is

2、a beautiful country with a long history . 每個人都知道，中國是一個有著悠久歷史的美麗國家。The earth , as we know , moves round the sun .地球，我們都知道，圍著太陽轉。 Tom is willing to help others, as we all know.湯姆樂于助人，這一點我們都知道。 三 as與which引導非限制性定語從句的異同 1.一樣：都可以指代前面一個詞或整個句子，并在從句中充當一定的成分eg: I passed the exam, which made me very excided. T

3、aiwan belongs to China, as is known to us all. 2. 異：位置差異 which引導的從句只能放在主句之后; as 引導的從句可放在主句前，后或插在主語和謂語之間 意義差異 which在句中翻譯為：這. ; as翻譯為：正如，正像 eg: Some of the roads were flooded, which made our journey more difficult As is known to us all, Taiwan belongs to China. Taiwan, as is known to us all, belongs t

4、o China.3. as 常用于以下謂語動詞的主，被動語態(tài) ：know, see, say, expect, imagine, hope, believe, report, announce, suggest, point out等eg: As we all know, the earth is round. Mike, as we expected, attended the meeting. He is an very honest man, as we all believe. As is known to all, Taiwan is part of China. As is often the case with young people, he is overconfidence.1._ is reported in the newspaper, talks between the two countries are making progress.2.His plan was such a good one _ we all agreed to accept.3.6.He work