第1个回答 2013-09-21
1.whom指人, 在从句中作宾语, 可省略。e.g. Do you know the man (whom) we saw at the Beijing Hotel?也可以用that ,可以省略. 2.which 指物, 在句中作主语或宾语, 作宾语时可以省略。e.g. I’m not interested in the book which (that)has just been published. 3.that指人或物,在从句中做主语或宾语, 作宾语时可以省略。 The house that (whi
第2个回答 2013-09-21
修饰先行词是人,主语用who,宾语用whom,主语是物用that,在非限制性定语从句中只能用that,不能用which,当先行词被anything、nothing等不定代词修饰时 被比较级最高级修饰时 there be句型中不能用which