O Past Simple descreve ações completas e pontuais no passado. O Past Continuous descreve ações em progresso num momento específico do passado.
I cooked dinner. (Past Simple — ação completa)
I was cooking dinner at 7pm. (Past Continuous — em progresso)
Formação: sujeito + was/were + verbo-ing.
I/He/She/It was sleeping.
You/We/They were sleeping.
Negativa: She wasn't working. / They weren't working.
Pergunta: Was he sleeping? / Were they working?
When + Past Simple (ação que interrompeu). While + Past Continuous (ação em progresso).
She was watching TV when the phone rang.
While I was studying, my brother was playing games.
I was driving to work when I saw the accident.
Confusões frequentes para falantes de português: