can we not be sad语法对吗?not是副词,不是应该放在宾语或动词后吗?
问题描述：
can we not be sad语法对吗?not是副词,不是应该放在宾语或动词后吗?
答
can we not be sad语法是对的,not是副词,一般放在be动词、助动词及情态动词后,行为动词前,不能放在宾语后.又如：He is not a student .You don't have to wear so many clothes .He can't speak Japanese.We haven't...