1. I / not / a teacher. / am
⇒ I am not a teacher.
2. She / my mother. / is
⇒ She is my mother.
3. The boys / playful. / are
⇒ The boys are playful.
4. The girl / in the room. / is
⇒ The girl is in the room.
5. We / not / are / at home.
⇒ We are not at home.
6. My dad / smart. / is
⇒ My dad is smart.
7. My mother / a housewife. / is
⇒ My mother is a housewife.
8. She / not / my sister. / is
⇒ She is not my sister.
9. The teacher / angry. / is
⇒ The teacher is angry.
10. The dog / in the kennel. / is
⇒ The dog is in the kennel.