Past Perfect Progressive: Had + Been + Verb-ing

O Past perfect progressive é usado para expressar algo que começou, continuou e terminou no passado. Palavras comuns nesse tempo verbal incluem when, for e since.

• Jenny had been riding her bike when she fell and broke her leg.

• When Friends was canceled, it had been on the air for ten seasons.

• Thomas had been driving for 2 hours before he got into an accident.

• When Jorge quit his job, he had been teaching in that school since 2005.

Também usamos esse tempo verbal para enfatizar a duração do evento ou ação.

• John had been drinking for 20 years when he decided to attend Alcoholics Anonymous.

• J. K. Roling had been writing for 17 years when she wrote the last book of the series.

Perceba que as frases contêm o past perfect progressive e o simple past na mesma frase, isso acontece porque o past perfect progressive precisa de um complemento, pois não consegue fazer sentido sozinho.

• Alex had been working as a florist when she decided to research other jobs.

Aprenda mais sobre como usar esse tempo verbal em suas diferentes formas através da seguinte tabela.

Afirmativa	Negativa	Interrogativa	Negativa + Interrogativa
I had been watching TV.	I hadn't been watching TV.	Had I been watching TV?	Hadn't I been watching TV?
You had been working.	You hadn't been working.	Had you been working?	Hadn't you been working?
She had been looking for you.	She hadn't been looking for you.	Had she been looking for you?	Hadn't she been looking for you?

Nota: As frases na tabela estão incompletas para manter a simplicidade.

Agora você já sabe como e quando utilizar o past perfect progressive em suas diferentes formas. Continue praticando para alcançar suas metas. Bons estudos!