You can try tasting and smelling the ingredients. If your hops weren't in the freezer, they might be too old. Smell them. If you have liquid malt extract, it may have oxidized. Taste some. DME will probably have stood up. As will have grain. It doesn't hurt to taste them either.
Bottled: Old Freckled Men, Berlin Mart Cider, Creamer Ale II
English Mother****er, Do You Drink It Pale Ale
C4 Pale Ale (Centennial, Challenger, Cascade, Citra hopburst)
Gone: Honeybadger Wheat Ale, Bad Amba Jamma, Badder Amba Jamma, Slam Dunkelweizen, Creamer Ale I, Robust Porter