I'm looking for something. -
Things are changing. -
I'm not teaching math. -
You're not missing anything. -
Why are you avoiding me? -
The world is undergoing a rapid change. -
You're not doing her any harm. -
You're not having dinner -
I'm not protecting anyone. -
He is preparing a paper for the conference. -
It's not getting any easier. -
I'm not hearing anyone! -
I am waiting for the rain -
Are you feeling all right? -
They are having lunch. -
People are talking. -
What's he doing here ? -
The company is promoting a new product. -
We're not wasting time. -
I'm stepping through the door -