TRANSFORMATIONS

1. The flag is red and yellow. (past simple, interrogative)
2. My sister lives in Badajoz. (be going to, negative)
3. Peter works in a factory. (past simple, interrogative)
4. Is Martin living in Rome? (present simple, affirmative) (past simple, interrogative)
5. Tom is buying a book. (past simple,affirmative) (present simple interrogative)