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定语从句考点八注意
Boris
但是你注意到下面几点了吗?
定语从句是高考测试的重点和热点,同学们从高一就开始重点学习,对它也许已经有了很多了解, 一、 在非限制性定语从句中,如果关系代词前面有介词,不能用as代替which。如：
He bought the car for more than ＄20,000, with which his father was angry.
二、 当后置的非限制性定语从句是否定结构时,只能用which引导,而不能用as。如： He didn’t pass the exam, _______ we hadn’t expected.
A. what B. that C. which D. as (答案: C) 三、 非限制性定语从句不用why引起，而用for which代替。如： He had told his teacher the reason, for which he was late.
四、 在非限制性定语从句中,当关系代词whom作宾语时,不能被who代替,且不能省去。如：
Do you know the man, whom I shook hands with just now? （你认识这个人吗？我刚才和他握过手。）
五、 关系代词that/which在there be句型中， 虽然作主语， 但是可以省去。如：
The number of the bikes (that/which) there are in this area is simply surprising.（该地区自行车数量之
多令人惊奇。） 六、
在非限制性定语从句中，
如果谓语动词为：be
+
announced/expected/known/mentioned/reported/said等形式时， 关系代词一般用as，并作从句的主语。如：As is mentioned above, the number of the students in senior schools is increasing. (= As we mentioned above, the number of the students in senior schools is increasing.) 七、 注意which引导的非限制性定语从句与并列句的区别。 【考例】
1. Mary received an invitation from her boss, ______ made her happy.
A. it B. who C. whom D. which
2. Mary received an invitation from her boss, and ______ made he happy.
A. it B. who C. whom D. which
简析:题1是非限制性定语从句，故答案是关系代词which。题2是and引起的并列句，故答案为A。 八、 当先行词是表示时间、地点或原因的名词时，要根据关系词在从句中所作的成份确定用关系代
词还是关系副词。 【考例】
1. I will never forget the day ____ I spent in that village. A when B. that C. and D. it
2. I will never forget the day ____ I lived in that village. A when B. that C. and D. it
3. The reason _____ he gave for asking for the job didn’t sound reasonable. A. which B. why C. what D. how 4. The reason _____ he often goes there is still a secret. A. which B. why C. what D. how
简析：在题1中，关系词在从句中作及物动词spent的宾语，故答案为B。 在题2中，关系词在从句中作时间状语，故答案为A。
在题3中，关系词在从句中作及物动词gave的宾语，故答案为A。 在题4中，关系词在从句中作原因状语，故答案为B。