whatever与however引导让步状语从句的区别

问题描述:

whatever与however引导让步状语从句的区别
whatever引导让步状语从句即可以单独使用也可以修饰————
however是副词后面必须加——或——

whatever引导让步状语从句即可以单独使用也可以修饰名词
however是副词后面必须加形容词或副词