A poor farmer called Fred的用法和样例：
- There once was a poor farmer who had four sons.
- There once lived a poor farmer who had four sons.
- A poor farmer had a friend who was famous for the wonderful apple he grew.
- So he called a meeting of all his staff members and ordered one to take the part of a landlord, another the part of a middle class farmer, another a usurer, another a poor farmer and so on.