6.When shall we use the relative pronoun“who”and“whom”?
7.这两句中的定语从句都是由 whose 引导的, 在从句中 whose 只能作定语。
A 句中 whose 修饰人。
B 句中 whose 修饰物, 这个句子相当于:Look at the house the roof of which is red. 或:Look at the house with a red roof.
8.这三个句子中, 所含的定语从句都是由关系副词引导的。
A.where 引导的定语从句修饰一个表地点的名词, where 本身作从句中谓语的地点状语, 这时, where 可由介词 to + which 来替代。
B.when 引导定语从句修饰一个表示时间的名词, when 在从句中作时间状语, when 可用介词 on+which 来替代。
C.why 引导定语从句修饰一个表示原因的名词, why 在从句中作原因状语。why 可用介词 for + which 来替代。
从以上三个句子来看, 关系副词引导定语从句, 一般情况下, 都可用“介词+关系代词”来替换关系副词。
9.不一定。如果表地点或表时间的名词在定语从句中作主语或宾语, 就不能用关系副词引导宾语从句, 而应由相应的关系代词引导。如:
A.Mike is studying in a school that/which was built in 1928.
B.Those days that / which we spent with Mary were wonderful.
10.
A.As is known to all, the compass was first made in China.
B.This is the same pen as I lost yesterday.
C.They have produced as much iron this year as they did last year.
D.We ought to make friends with such people as kind and hard working.
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