主语从句与定语从句中when where why 的用法有何不同答:how在从句中做状语.前面不一定有名词;what不能引导定语从句.定语从句属于形容词性从句,作用相当于形容词.其中出现的名词叫做先行词,that,which,who,whom,whose叫做关系代词,指代先行词,在从句中要充当成分,这就是区分它和名词性从句的关键.where,when,why叫做关系副词,在从句中做状语.例如:You should...
怎样区分名词性从句和定语从句里的when where why答:how在从句中做状语.前面不一定有名词;what不能引导定语从句.定语从句属于形容词性从句,作用相当于形容词.其中出现的名词叫做先行词,that,which,who,whom,whose叫做关系代词,指代先行词,在从句中要充当成分,这就是区分它和名词性从句的关键.where,when,why叫做关系副词,在从句中做状语.例如:You should...
定语从句中何时能用介词+which代替when,where,whose,why??答:在定语从句中 1、关系代词:who, whom, which, that, whose 指人:who, whom, whose, that 指物:which, that,whose 2、关系副词:when,where,why ★当从句的句子完整时,用关系副词;当从句的句子不完整时,用关系代词。(关系代词+介词in/on/at/of等=关系副词)作主语,先行词是人用who/...