1. This is my bag. The bag is black.2. It was my student. The student is good.3. My camera is new. This will be your camera.4. This is my old car. The car is red.5. It was my car. This car was blue.6. It will be a good computer. My computer is new. My computer was not new.7. This is my house. The house is new. My house was not big.8. This is my photo. This was my photo. This will be my photo.9. This is a sandwich. It is delicious. The sandwich was delicious. My sandwich will be delicious.10. My bags are new. My bags were new. My bags will be new.11. My students are good. My students were good. My students will be good.12. Your books are good. Your books were good. Your books will be good.13. These books are old. These books were old. These books will be new.14. The houses are good. The houses were good. The houses will be good.15. The photos are beautiful. The photos will be beautiful.