Case studies aiming at a comprehensive analysis of an event as a whole begin as early as possible in its
Case studies have began early as possible.
Case studies began very late, and after the deadline.
An animal wearing a collar is standing on the grass.
I've never discussed credit card usage or the education system with others.
Two men are standing up
A boy is sleeping in his bed.
The Moors hated today's provincial capital and tried to destroy it.
Tourists on a transportation vehicle are not in their seats.