Respostas
a) Were you watching a movie?
b) Were we listening to music last night?
c) Were they swimming yesterday?
d) Was I taking a shower when the murder happened?
e) Was Mary playing chess?
f) Was John taking a shower?
Resposta:
3)
a) Were you watching a film? (Tradução:Você estava assistindo um filme?)
b) Were we listening to music last night? (Tradução: Nós estávamos ouvindo música ontem a noite?)
c) Were they swimming yesterday? ( Tradução:Eles estavama nadando ontem?)
d) Was I taking a shower when the murder happened? (Tradução: Eu estava tomando um banho quando o assassinato aconteceu?)
e) Was Mary playing chess? (Tradução: Mary estava jogando xadrez?)
f) Was John having a bath? (Tradução: John estava tomando um banho?)
Explicação:
Regras de formação do Past Continuous
O Past Continuous é formado pela união do verbo auxilar to be conjugado no Simple Past (Passado Simples) + gerúndio (-ing acrescido a um verbo principal).
As flexões do verbo to be no Simple Past são was e were. Was é usado com a terceira pessoa do singular (he, she e it) e were é usado com as demais pessoas verbais (I, you, we e they).
Formas no past continuous
Interrogativa: Was/Were+ sujeito+ verbo principal com –ing + Complemento
Ex: Were you going to my house? (Você estava indo para minha casa?)
Afirmativa: Sujeito+ was/were+verbo no gerúndio+complemento
Ex: I was going to her house ( Eu estava indo para sua casa)
Negativa: Sujeito+ wasn´t/weren´t+ verbo no gerúndio+ complemento
Ex: : She wasn´t going to my house. (Ela não estava indo para a minha casa.)