Past simple & Past continuous

HOW MANY SENTENCES ARE INCORRECT?
Jack was eat pizza yesterday.
Michael eated pizza.
Andy eat two pizzas last week.
Kevin were eating pizza when I called him.
Angela didn’t ate pizza last Friday.
5 minutes ago, Jim were eating a pizza.
The children was eating a pizza when I walked in.
Did you ate pizza when you were at the restaurant?
What were Jill doing in the restaurant?
I ate pizza in the kitchen for half an hour.…