You have been behaving like this ever since I
first came here.
When were you in London?
The thing is that I have come to have a talk.
Have you been waiting long?
Most of the children here have had measles
already.
She finished cleaning the bathroom, then she
began peeling potatoes.
She has never had the slightest desire to be an
actress.
He has been looking forward to it all the week.
They left just a week ago.
I have been thinking about nothing else since
then.