PAST PERFECT CONTINUOUS | Baamboozle - Baamboozle

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She came first in the race/ she exercised for many weeks

She came first in the race because she had been exercising for many weeks.

They made a cake / the blender broke

They had been making a cake when the blender broke.

By the time Archaeopteryx developed some features of modern birds, it _____________ from dinosaurs for millions of years.

had been evolving

We watched a movie / the mobile rang

We had been watching a movie when the mobile rang.

I swam in the ocean / I went to the store

I had been swimming in the ocean before I went to the store.

He lived in Spain / he moved to Italy

He had been living in Spain before he moved to Italy.

They waited outside the shop for hours / it finally opened

They had been waiting outside the shop for hours when it finally opened.

I was tired / I worked all morning/

I was tired because I had been working all morning.

Before the Wright brothers successfully flew their aeroplane, Santos-Dumont ______________ hot air balloons.

had been building

Bats probably ______________ for hundreds of years before they evolved the capability of flight.

had been gliding

We learned the sax / we joined an orchestra

We had been learning the sax before we joined an orchestra.

He waited for her sister / the class started

He had been waiting for her sister when the class started.

I studied grammar / I went to my uncle’s house

I had been studying grammar before I went to my uncle's house.

By the time the Chinese invented kites, people ______________ of human flight for many years.

had been dreaming