The document lists different animal families and provides examples of using "a/an" and "is/isn't" with various animals. It includes lists of alligator-iguana, cat-dog, owl-rabbit, elephant-monkey, tiger-lion, and ostrich-giraffe. It then has examples of using "a/an" with different animals and examples of sentences with "is" and "isn't" to describe whether something is or isn't a specific animal.

1. Unit 4
Animal Family

2. Alligator Iguana

3. Cat Dog

4. Owl Rabbit

5. Elephant Monkey

6. Tiger Lion

7. Ostrich Giraffe

9. a - an
• It is a / an monkey.
• It is a / an owl.
• It is a / an ostrich.
• It is a / an giraffe.
• It is a / an iguana.
• It is a / an tiger.
• It is a / an elephant.
An + a, e, i, o, u

10. It is – It isn’t
• It is an elephant.
• It isn’t a lion.
• It is a giraffe.
• It isn’t a tiger.
It is
It isn’t X

11. It is – It isn’t
• It is a dog.
• It isn’t a cat.
• It is an iguana.
• It isn’t an alligator.

14. Mom Dad

15. Brother Sister

16. Grandma Grandpa