He sat and saw her sitting in the chair by the window.
I was sitting in the big chair by the window.
Their mother is sitting in the chair by the window.
He looked at the man who had been sitting in the chair.
Not the one who sat in the chair when we first came, of course.
She sat in the chair as he had left her.
Is she beginning to like sitting in the high chair?
I have been sitting in the chair for five hours.
The man walked back across the room and sat again in the chair.
Instead, a woman was sitting in the chair across from him.