Past Perfect Tense

I

You

He/She/It               had left                             Had + verbo no particípio passado (3ª coluna)

We

You

They

Uso:

    O past perfect indica qual ação ocorreu em primeiro lugar no passado. Geralmente é usado com after, before, when, etc.

The kids had slept before we arrived.

He had left when you called him.

Past Perfect Continuous

 

Had been + verbo terminado em ing

Afirmativa: They had been working.

Interrogativa: Had they been working?

Negativa: They had not been working.

Uso:

    O past perfect continuous enfatiza a continuidade da ação ocorrida em primeiro lugar.

I had been working before you arrived.