I've been working with Simon. -
How long have you been waiting? -
It has been raining for two hours. -
How long have they been playing? -
She's been doing it all day. -
It has been happening for 10 years. -
How long have we been flying? -
We've been discussing -
We've been living a simple life. -
He's been studying them. -
What have you been discussing? -
How long have you been treating him? -
He's been calling me all week. -
He has been stealing from us. -
She's been stealing them! -
He hasn't been sleeping well lately. -
I have been teaching him. -
How long have we been doing it? -
You haven't been talking! -
I've been thinking about Charlie. -