Answer:
John's father has 4 children june, july, august... What was his 4th child name
You fill it and it empties, A metaphor for plenty, Depending on what half you see, It's either full or empty
What flies forever, rests never?
Old Mcdonald had this
Pointing North, South, East, and West it saves the lost and helps the rest. What is it?
When is it bad luck to see a black cat?