IV. Complete the correct form of “ to be”
1. She (be)______ my lovely sister.
2.______ (be) they tired?
3. My teachers ______ (not be) tall.
4. We (be) ______ new students.
5. ______(be) you 11 years old?
6. Today ______ (not be) windy.
7. It ______ (not be) right.
8. The carrots (be)______ orange.
9. He (be)______ good at English.
10. This computer ______ (not be) new.
11. I ______ (not be) strong.