My best friend hasn't been talking to me for a week. -
Why have we been waiting for her for forty minutes? -
Luke has written four books. -
Has Ruth ever cooked for you? -
Ann hasn't read this paper yet. -
Why has nobody taken our order yet? -
They have never met Alex. -
Has your mother been jogging? She looks fit! -
Charles has been teaching at the university since August. -
They have been waiting for us for thirty minutes. -
Have they ever been to Scotland? -
Mary has been to Canada twice. -
What countries has John ever been to? -
They have been studying philosophy for five years. -
I have been working here for three months. -
Have you ever met Helen? -
My husband has started a new painting this week. -
What is the tastiest food you have ever tried? -
Who have you been talking to for an hour? -
Has Dan submitted the report yet? -