Complete the sentences with "to be" 1. i a girl (a boy). 2. my mother ( at work. 3. alex and dino my cats. 4. alex to be in the garden. 5. dino to be on the floor. 6. my blue pencil to be in my hand. 7. the other pencils in my pencil case. 8. my dog in the living room. 9. tom and anna good friends. 10. they good at tennis. 11.to be they in london this week? 12. the pupils to be not at school today. 13. it monday. 14. i at home. 15. we students. 16. his hair curly. 17. sue and jane to be neighbours