3.
2)They are twins
3)We are brothers
4)Your car is red
5)He is a good pupil
6)They are stupid
7)Your dog is very clever
8)My shoes are dirty
9)He is yummy
10)They are the short
11)My teacher is nice
5.
2)No she isn't, she's
3)No they aren't, they're
4)No you aren't, you're
5)No it isn't, it's
6)No they aren't, they're
7)-
8)No he isn't, he's
9)No it isn't, it's
10)No you aren't, you're
11)No she isn't, she's great