There has been an accident. -
Have you been reading this paper for two hours? -
I have been writing emails for three hours. -
I've seen the film you recommened me. -
I haven't been playing hockey for a long time. -
Who have you been talking to for an hour? -
They have been waiting for us for thirty minutes. -
Have you ever met Helen? -
I have already cooked the dinner. -
Has your mother been jogging? She looks fit! -
Mary has been to Canada twice. -
They have been studying philosophy for five years. -
Where have I left my bag? -
Mary and Jane have been travelling since July. -
How long have you been sitting here? -
Grandma has been cooking all day. -
I have already done my homework . -
Has Max been exercising lately? He looks great! -
Jack has been decorating the house all summer. -
I have been working here for three months. -