小统哥9888
答如下:1. 宾语从句置于及物动词或介词之后,作动词或介词的宾语。引导宾语从句的词有连接词(that, if, whether) 、连接代词(what , which, who, whom, whose等)和连接副词how, when, where, why等)。例如:I know that he is ill.Can you tell me where he lives?I wonder if / whether he will go.We don't know whose wallet it is.Tom is interested in what you said.注意:that或if从句通常不作介词的宾语(except除外)。例如:I am not sure about whether (不用if) he will go.The house is beautiful except that it is a little small.2. 定语从句置于所修饰的名词或代词之后 ,它在句中用来作定语,修饰前面的名词。被定语从句修饰的名词叫先行词。引导定语从句的词有关系代词(that , which,who, whom, whose等)和关系副词(when, where, why等)。关系代词指代前面的名词,在定语从句中可以作主语、宾语和定语; 关系副词在定语从句中可以作状语,表示时间、原因、地点等。I know the man who / that is standing there.The novel which / that you bought is fun.That is the house where he lived in.I will never forget the day when I