PAST PERFECT SIMPLE AND CONTINUOUS

Peter was Sally's best friend. She(know) ...............him all her life

• HAD BEEN KNOWING

• HAD KNOWN

The children were wet because they(play) ...................football in the rain.

• HAD BEEN PLAYING

• HAD PLAYED

We were very hungry because we(not / eat)..................

• HADN'T BEEN EATING

• HADN'T EATEN

I was happy when I found my keys. I(look) ............for them for hours.

She was exhausted because she(work) ..............since eight o'clock that morning.

Everything was white because it(snow)...................

The passengers were cross because the airline(lose) ................everyone's bags.

I(not / see) ......................Jacob for several years, but I recognised him immediately.