1. UNIT 3
THE VERB TO BE: AFFIRMATIVE, NEGATIVE AND INTERROGATIVE.
LEVEL: BEGINNERS
Verb to be por MAURA ROBLEDO se encuentra bajo una Licencia Creative Commons Atribución-NoComercial-SinDerivadas 3.0 Unported.

2. I. Complete the sentences with am, is or are and their negative forms.
1. You and your family ______ kind.
2. Susan _____ a good friend. She is very selfish.
3. ______ they at home now? No, they ________.
4. ______ she a teacher? No, she ______. She ______ a vet.
5. My parents ____ at home. They are in the museum.
6. I ____ a student.. I´m a teacher.
7. ____ Kelly in her room?
8. _____ she cleaning her room?
9. We ____ married. We are single.
10. He _____ strong. He is just a baby.
11. The table ____ made of wood.
12. ____ you kidding me? You couldn´t buy a car.
13. Why ___ Peter crying? I don´t know mom.
14. I can´t believe that Susan ____ pregnant. It __ an excellent new.
15. What ___ wrong with you? You ____ very thin.

3. ll. Put the right words into the spaces in the sentences.
Is isn´t are aren´t am
1. He ______24. He is 21.
2. ______ you kidding me? That´s no true.
3. I ______ wearing a beautiful dress.
4. This ____ my new pet. It is very cute.
5. They _______ twins. They´re cousins.

4. ANSWERS
I.
1. Are
2. Is
3. Are, are
4. Is,is,is II.
5. are 1. Isn´t
6. Am 2. Are
7. Is 3. Am
8. Are 4. Is
9. Is 5. Aren´t
10. Is
11. Is
12. Are
13. Is
14. Is, is
15. Are,are