Question

she plays handbal.
negative:
interrogative:

they study in my class.
negative:

interrogative:

he studies for the tests:

negative:

interrogative:

we sleep very late.

negative:

interrogative:

Answer 1

She plays handbal
N: She doesn't play handbal
I: Does she play handbal?
They "study" in my class -- Se tratando de uma frase afirmativa o verbo fica assim: (studies) 
N: They don't study in my class.
I: Do they study in my class?
He studies for the tests.
N: He doesn't study for the tests.
I: Does he study for the tests?
We sleep very late.
N:  We don't sleep very late.
I: Do we sleep very late?
ESPERO TER AJUDADO!