I ________________ (practice) the piano for 30 minutes.

How often ________________ (you clean) the windows this year?

________________ (you - ever - stay) in a castle?

He ________________ (not speak) on the phone for half an hour, just a couple of minutes..

I _____________ (read) all afternoon. I _____________ (read) five chapters!

How many times ________________ (I - tell) you?

She ________________ (hang) up all all the pictures yet.

I ________________ (have) the same car for more than ten years. I'm thinking about buying a new one.

I think I _____________ (like) chocolate since I was born

John ________________ (work) for the government since he graduated from Harvard University. Until recently, he ________________ (enjoy) his work, but now he is talking about retiring.

She must be tired. She _____________ (work) all afternoon

Bob ________________ (run) ten kilometres.

How many books _____________ (she - write)?