宾语从句：宾语从句在主句中作谓语动词或某个介词的宾语,它的位置在及物的谓语动词或介词之后.例：It is what we said just before.
定语从句：定语从句在句中做定语,修饰一个名词或代词,被修饰的名词,词组或代词即先行词.例：He is the man whom/ that I saw yesterday.
宾语从句：宾语从句在主句中作谓语动词或某个介词的宾语,它的位置在及物的谓语动词或介词之后.例：It is what we said just before.
定语从句：定语从句在句中做定语,修饰一个名词或代词,被修饰的名词,词组或代词即先行词.例：He is the man whom/ that I saw yesterday.