b) Complete the sentences. Use 'm, 's, 're.

1. Susan is new to the school.
2. I am 14 years old.
3. They are in Room E.
4. He is my best friend.
5. You are in Grade 7.

c) Rewrite sentences 1-5 in the negative.

1. Susan isn't new to the school.
2. I am not 14 years old.
3. They aren't in Room E.
4. He isn't my best friend.
5. You aren't in Grade 7.