a) Sally lives in an apartment.
Interrogativa: Does Sally live in an apartment?
b) They study chemistry.
Interrogativa: Do they study Chemistry?
a) I live in Italy.
Negativa: I don't live in Italy.
b) John goes to school in the morning.
Negativa: John doesn't (does not) go to the school in the morning.
a) He composed a song for Martha.
b) I played all night long.
a) The child watches TV.
Negativa no passado: Did not the child watch TV?