I could swear I've seen Jane in a nurse's cap too.
I am certain I saw Jane wearing a nurse's cap.
I did not see anyone in a cap that day.
The mail classification schedule, under no circumstances, can be changed.
The child is doing her homework at home.
A man is playing inside the concert hall.
The city's shopping center is closed these days.
I'll play another set with someone you don't know.
Someone is skateboarding outside.