Past simple

Past Simple
	Affirmative	Negative	Interrogative
To Be	It was big. They were happy.	It wasn´t big. They weren´t happy.	Was it big? Were they happy.?
There was There were	There was a boy. There were some children.	There wasn’t a boy. There weren´t any children.	Was there a boy? Were there any children?
Past Simple (regular)	He looked at me.	He didn’t look at me.	Did he look at me?
Past Simple ( irregular)	I bought a coke.	I didn´t buy a coke.	Did I buy a coke?