Question

Passe as frases para a forma interrogative (to be) past.
A) He was reading a newspaper
B) She was playing baseball
C) It was drinking milk
D) They were listening to music
E) We are walking in the park

Answer 1

a) Was he reading a newspaper?

b) Was she playing baseball?

c) Was it drinking milk?

d) Were they listening to music?

e) Were we walking in the park?

Para se formar a pergunta com o verbo "to be", basta trocar o sujeito com o verbo (be), por exemplo:

"He (sujeito) is (be) drinking water."

Troca-se o sujeito (he) com o verbo (be > is) para formular a pergunta:

"Is he drinking water?"

(Quando se vem um pronome interrogativo (who, what, where, etc), ele então vem na frente: "Where is he drinking water?")

Cuidado:

I > am (presente)/was (passado)
He/She/It > is (presente)/was (passado)
You

You/We/They > are (presente)/were (passado)