I don't understand, you want me to write you a whole paragraph?
Answer:
The boy sat. That could be a subject. The predicate is the half-sentence you have right now. So, it could be The boy sat in the window seat on the plane.
Explanation:
A subject contains the noun. A predicate contains what the noun does.
Ohh!! i have read this book!! He is quite a weird guy and he represents savagery
They are all right except the first one. All I know is that the first one isn't cavaliers.