Tian often draws pictures after school.(用now改写句子)

Tian often draws pictures after school.(用now改写句子)
Are the students having a class？(作否定回答）
She'stalking to her friend.(改为一般疑问句）
Dave wants to (play）scooer with his friends.(用play的适当形式)
( )is Larry and ( )is he doing?括号里面填哪两个疑问词？