PAST PERFECT VS PAST PERFECT CONTINOUS

I had to have a break. I ________________so long.

• had been driving

• had driven

Before we parked our car we ___________ the ticket.

• had collected

• had been collecting

I arrived on Sunday. I ___________at home for two days.

• had not been being

• had not been

The roads were blocked in the morning. It _________ all night.

• had been snowing

• had snowed

They got to the beach after they ___________ for hours.

• had walked

• had been walking

She called the police when she ________ the light in the hall.

• had seen

• had een seeing

His English was perfect. He _________ it since he started school.

• had been studying

• had studied

I was really hungry. I __________ anything since the morning.

• had not been eating

• had not eaten

She didn't go to work because she ________ her leg.

• had broken

• had been breaking

As soon as Betty ________ the door, the burglar alarm went off.

• had opened

• had been opening