Change the sentences into the affirmative, interrogative and negative forms: 1. I (TO DO) MORNING EXERCISES.
2. HE (TO WORK) AT A FACTORY.
3. SHE (TO SLEEP) AFTER DINNER.
4. WE (TO WORK) PART-TIME.
5. THEY (TO DRINK) TEA EVERY DAY.
6. MIKE (TO BE) A STUDENT.
7. HELEN (TO HAVE) A CAR.
8. YOU (TO BE) A GOOD FRIEND.
9. YOU (TO BE) GOOD FRIENDS.
10. IT (TO BE) DIFFICULT TO REMEMBER EVERYTHING.