Have they ever been to Scotland? -
How many pages have you written today? -
Has Dan submitted the report yet? -
I have never had a pet. -
Luke has written four books. -
Has Ruth ever cooked for you? -
Grandma has been cooking all day. -
I haven't seen Lisa today. -
Have you ever met Helen? -
How long have you been sitting here? -
Mary has been to Canada twice. -
Ann hasn't read this paper yet. -
Where have I left my bag? -
I have been working here for three months. -
We haven't been to Sweden yet. -
My husband has started a new painting this week. -
They have never met Alex. -
Has Max been exercising lately? He looks great! -
I have already cooked the dinner. -
My sister has not come back yet. -