I. EXAMPLES: It was Jack who broke the window when we were playing football. It is Jane that I want to marry. It was here in the supermarket that he met his first love. II. DIALOGUES: A: Who ate all the cookies? B: I think it was the dog that ate them. A: Are you sure? B: It’s possible. A: I think it was you who ate all the cookies but you’re trying to cover it up.