most与mostly

most与mostly
Most people hace three meals a day.这里用形容词,most.但The students are mostly young people between the ages od sixteen and twenty.而这里用副词mostly.
是most people have three meals a day.

most&mostly
most形容词可作表语或定语~名词前~
mostly副词,放于系词后.一般不常用.因为：do most sports=do sports mostly~
共通.你的例句：Most people have three meals a day=People are mostly have three meals a day