Respuestas
2 is / he is not
3 is/ she is
4 are/ they are not
5 is/ it is
6 are/ I am not
7 are/ we are
8 Am/ you are not
Respuesta:
2. Is he old? No, he isn't.
3. Is my sister at home? Yes, she is.
4. Are they good students? No, they aren't.
5. Is the cat white? Yes, it is.
6. Are you twelve years old? No, I am not.
6. (en español) Tienes 12 años? No, no tengo. (Se responde con I am, porque estamos respondiendo algo sobre nosotros)
7. Are we the champions? Yes, we are.
8. Am I fast? No, you aren't.
8. (en español) Soy rápido? No, no lo eres. (Se responde con you, porque le estamos respondiendo algo sobre él mismo)
Explicación:
positivo(+) negativo(-)
He / She / It = is isn't / is not
I / They / We / You = are aren't / are not
Espero te ayude:)