Exercise 4 Fill in the blanks with if or unless: Model: Mrs Brown wouldn't buy the hat if her husband didn't like it. Mrs Brown wouldn't buy the hat unless her husband liked it. 1. Sally wouldn't buy a car ...... she needed it. 2. I would drink a cup of coffee ...... I felt tired. 3. Bob would eat a hamburger he liked it. 4. Mary wouldn't go to Peter's party ...... she were invited. 5. ...... I could, I'd climb that mountain again. 6. ... you spoke more clearly, everybody could understand you.
