非限制性定語從句課件.ppt

1、,Grammar,非限制性定語從句,Teachers who are kind are popular with the students. 友善的老師受學生歡迎。 Mr. Wang, who is kind, is popular with the students. 王老師很受學生歡迎，他很友善。,Teachers who are kind are popular with the students. Mr. Wang, who is kind, is popular with the students.,分析兩種定語從句省略后的結(jié)果:,限制性定語從句省略后主語所指就不明確， 所以不能省略

2、。,非限制性定語從句省略后意義 仍然完整， 所以可以省略。,逗號隔開,修飾 限定,補充 解釋,能,不能,的,兩個句子,無 逗號,定語從句,非限制性定語從句是先行詞的附加說明, 去掉了也 不會影響主句意思, 它與主句之間通常用逗號分開。 引導“非限定”的關(guān)系詞有： 1. 指人時： 2. 指物時： which （可指某個詞也可指整個主句， 從句只能位于主句之后） as （表示正如，可位于主句前或主句后） 3. 指地點時： 4. 指時間時： 5. 指原因時：,非限制性定語從句的用法,who, whom, whose,which, as,where = 相應(yīng)介詞 + which,when = 相應(yīng)介詞

3、 + which,for which （切不可用why）,1. The famous basketball star, _ is an American, came to China yesterday. 2. In those days, she used to go to Mr. Black, with _ she had a wonderful time. 3. I bought a car yesterday, _ cost me a lot. 4. Xian, _ I visited last year, is a nice old city. 5. He will come to

4、see me next July, _ he wont be so busy. 6. The school, _ I once studied, was built thirty years ago. 7. John said hed been working in the office for an hour, _ was true. 8. The managers daughter, _ name is Ann, gave me a patient smile.,who,whom,which,which,課堂練習,when,where,which,whose, 在 of which / w

5、hom 之前可以使用表達數(shù)量或定位的數(shù)詞或代詞,1. I am doing different types of exercises, all of _ are quite helpful to my health. 2. Many people, some of _ are not overweight, are going on diets. 3. There are 54 students in my class, three of _ come from US.,which,whom,whom,“非限定”使用須知 1. 從句中所有的關(guān)系詞都不可省略 2. 從句通常不能用that引導 3

6、. 在“非限定”中, 指人的關(guān)系代詞作賓語時, 只能用賓格whom, 不能用who替換, 也不能省略。 4. 從句不能用why引導, 要用 for which 代替why 5. 從句置于句首時, 不能用which引導; 而要用關(guān)系代詞 as 引導 (as可放主句前, 也可放主句后),要點歸納,1) I have a sister who works in a hospital.,我有一位在醫(yī)院工作的姐姐。 （不只一位姐姐）,2) I have a sister, who works in a hospital.,我有一位姐姐，她在醫(yī)院工作。 （只有一位姐姐）,注意1：有時同一個限制性從句變?yōu)榉?/p>

7、限制性從句會改變?nèi)涞囊馑肌?as 和 which 可指代整個主句 as 可放在句中或句首, which 只放在句中 _ we know, smoking is harmful to ones health. The sun heats the earth, _ is very important to us.,As,which,注意3: as / which 引導非限定性定語從句的區(qū)別,關(guān)系代詞as在定語從句中指代整件事，充當句中的主語或者賓語，它經(jīng)常和the same, such, as一起搭配使用，共同構(gòu)成一個固定詞組。 As we all know, he is a famous sc

8、ientist. As is expected, he is a diligent boy. She has the same book as you have.,as 引導非限制性從句，常意為“正如”。 可出現(xiàn)在句首、句中、句末。常見結(jié)構(gòu)有：,as is known to all as is often the case as might / could be expected as has been said before as has been mentioned above as has been pointed out as can be imagined as can be see

9、n (from these figures) as often happens as will be shown,這是常有的事,正如人們所預料的,正如上面所提到的,正如前面所說的,正如所指出的,正如所示,The earth is round. _ is known to all. The earth is round, _ is known to all. _ is known to all, the earth is round. _ is known to all that the earth is round. _ is known to all is that the earth is round.,It,which / as,As,It,Compare:,(定從),(形式主語),What,（主語從句）,注意4：非限制性定語從句和簡單句的比較,1) He failed in the exam. _ made his parents angry. 2) He failed in the exam, _ made hi