is和does开头的疑问句,这两个词怎么区分?

do 或者does叫做助动词，是帮助主动词构成疑问，否定等。但是只有谓语动词（主动词）是“行为动词”（与“状态动词”比如is等相对）的时候才用。
He likes music.
Does he like music?
He doesn't like music.
这里都不能用is。
He is a student.
Is he a student?
He isn't a student.
这里不能用does。

如果句中有行为动词也叫实义动词如:like,study,sing,run等就用does
如：Does he like English ?
如果没用行为动词常用is.如：Is he a teacher ?

is是be动词，do是助动词

does开头的疑问句,是对动词发出疑问
is开头的疑问.是对表语发出疑问,详细的请在摆渡搜索上找,一大堆

is是be动词,是描述性的,she is beautiful.is左右两边有等号概念.Is she beautiful?does助动词,表示行为、具体的动作,does是人称的不同造成的,第一、二人称用do,第三人称单数用does.如she likes icecream.like就是一...