when where why引导的定语从句和同位语从句答:定语从句和同位语从句共同的引导词有四个:that,when,where,why.引导词when,where,why 引导定语从句时,它们叫做关系副词,在从句中充当状语,可以转换成"介词+关系代词"的形式;引导同位语从句时,它们叫做连接副词,在从句中充当状语,但不能转换成"介词+关系代词"的形式.例如:①I will never forget the ...
同位语从句一定要用that 吗答:在主从复合句中作同位语的从句称为同位语从句。同位语从句一般用that, whether,what, which, who, when, where, why, how 等词引导,常放在fact, news, idea, truth, hope, problem, information, wish,promise, answer, evidence, report, explanation, suggestion, conclusion等抽象名词后面,说明该...