PAST PERFECT CONTINUOUS

Billy _____(look) for his sales receipt for an hour before he found it in the kitchen.

John _____ (buy) rare books for ages, so he had a lot of them.

Gillian _____ (design) efficient gadgets for a long time, so she was very good at it.

My mum had no money left because she ___ ( shop) at the supermarket all morning.

Mia ____ ( search) for a special party dress for months before she found the perfect one online.

Mrs. Shelby ____ (read) traditional books for ages when she decided to buy an e-reader in 2011.

____ (you/use) the smartphone for long when the screen went blank?

____ (you/use) the smartphone for long when the screen went blank?

The old man __ (sleep) on the corner until you came.

Daniel ____ (not work ) for weeks before he was offered a management position.