Question: what are the common constellations?
Answer: The Big Dipper/Ursa Major, 'The Great Bear' This may be 'cheating' a little bit because the Big Dipper is not technically a constellation, but part of a constellation known as Ursa Major. ... 
The Little Dipper/Ursa Minor, 'The Little Bear' ... 
Orion, 'The Hunter' ... 
Taurus, 'The Bull' ... 
Gemini, 'The Twins'