Grammar Exercise: Error Correction: To Be

1. Boston and New York are North American cities.
    True
    False

2. We are very sorry about the accident.
    True
    False

3. How old is he?
    True
    False

4. You are happy?
    True
    False

5. They are doctors.
    True
    False

6. How old am I?
    True
    False

7. They arent from Brazil, they are from Portugal.
    True
    False

8. I am not very tall but my brother is.
    True
    False

9. What is your name?
    True
    False

10. I am from Boston.
    True
    False