Tense forms of the verb

The conference will start when everyone ________________.

We ________ Betty since she moved to our neighbourhood.

The students were tired. They _________ hard all morning.

By this time next month, the builders __________ the house.

This time next week, we ___________ on the beach.

Mark __________ aboout my cooking! It's so annoying.

Sue ________ breakfast when she heard a knock on the door.

It's noon. By 2 o'clock, he ______________ computer games for five hours. I hope he'll stop soon.

Yesterday, I met an old school friend who I ____________ for years.

The phone is ringing! - I __________ it!

Nancy _________ since she came from work.

Tom has known Sue since they both _______ this club.