a)
1. is
2. are
3. is
4. am
5. are
6. is
7. are
8. is
9. are
10. is
b)
1. she is not my mother
2. emma and simon are not happy
3. i am not your friend
4. the ruler is not blue
5. the boys are not from argentina
6. we are bot thirteen
7. you are not tall
8. this pencil is not red
9. they are not in my garden
10.it is not a sunny day
c)
1. are brian and marcos singers?
2. is she a teacher?
3. am i great?
4. are the girls in the bedroom?
5. is it on the table?
6. is your name carlos?
7. is he your grandpa?
