no matter what用于状语从句 whatever用于宾语,表语,主语从句,不能用同位语从句.说明:1.Whatever is said by our parents,we should obey.（ Whatever our parents say,-----------------------）.2.The problem is whatever the weather will be like .比较No matter what(不用Whatever） the weather will be like,the competetion has to go on.（状语从句） 3.I try to understand whatever the the teachers explain to us in class.（例1、2、2分别属于主、表、宾从句） 4.The fact that he makes little progress no matter what（不用whatever） knowledge he tries to master leads to his being absent from classes (这里no matter what引导让步状语从句).(that 不能题换成whatever）.因whatever 不引导同为语从句.5.No matter what he says ,I won't believe him.6.(比较)Whatever he says is not believable.(主语从句) 7.You can choose whatever you likes.(宾语从句)
