I have already done my homework . -
My sister has not come back yet. -
I haven't been playing hockey for a long time. -
Have you only been waiting for an hour here? -
What is the tastiest food you have ever tried? -
Ann hasn't read this paper yet. -
Jack has been decorating the house all summer. -
Grandma has been cooking all day. -
They have never met Alex. -
Have you been crying? Your eyes are red. -
Has your mother been jogging? She looks fit! -
Who have you been talking to for an hour? -
Why have we been waiting for her for forty minutes? -
Have you ever met Helen? -
Where have I left my bag? -
Charles has been teaching at the university since August. -
My best friend hasn't been talking to me for a week. -
Julie has been working on this report since eight am. -
I have just left my job. -
Have they ever been to Scotland? -