Fill in these sentences using the correct form of the verb ‘to be’ and the words in the brackets?

Fill in these sentences using the correct form of the verb ‘to be’ and the words in the brackets. Then write the words in the blanks. 1. I_____________ happy. (not) 3. You _____________ Japanese. (not) 5. They ____________ busy. (not) 7. Cheung Chau __________ in Kowloon. (not) 9. We _______ good friends. 11. He ______ 2 years old. (not) 13. They ______ good football players. (not) 2. He _________ sad. 4. We __________ Chinese. 6. Tigers _________big cats. 8. His name ______ Billy. 10. She ______ my mother. 12. I ______ thirteen years old.