疑问句要分两种形式.be动词（ be +主语+表语）、行为动词(Do / Does +主语+动词原形+其余部分）.
e.g.He is a student.Is he a student?
They are teachers.Are they teachers.
He learns English.Does he learn English?
They work hard.Do they work hard?
疑问句要分两种形式.be动词（ be +主语+表语）、行为动词(Do / Does +主语+动词原形+其余部分）.
e.g.He is a student.Is he a student?
They are teachers.Are they teachers.
He learns English.Does he learn English?
They work hard.Do they work hard?