Respuestas
Respuesta:
Primer ejercicio (la de arriba izquierda):
1. is.
2. are.
3. is.
4. are.
5. is.
6. am (o simplificado 'm).
7. are
8. is.
9. are.
10. are.
Segundo ejercicio (arriba derecha):
1. Lilly and Sean aren't on vacation.
2. Ben isn't hungry right now.
3. My mother isn't a teacher.
4. I'm not at the cinema.
5. It isn't about to rain today.
6. The books aren't heavy.
7. They aren't poor.
8. The kitchen isn't clean.
Tercer ejercicio (abajo):
2. Yes, it is.
3. No, they are not.
4. No, it isn't.
5. Yes, they are.
6. No, they aren't.
7. Yes, it is.
8. Yes, it is.
9. Yes they are.
Explicación:
En presente el verbo to be se escribe de tres maneras:
Yo (Me) "am" - su negativo es "am not".
Él/Ella/Eso (He/She/It) "is" - su negativo es "is not/isn't".
Tú/nosotros/vosotros/ellos (You/We/They) "are" - su negativo es "are not/aren't".