We are happy. 
I am strong 
and energetic. 
Alice is my best friend.
You are funny. 
Yuval is a lucky boy. 
I am clever. 
He is 12 years old.
Sue and Carol are twins. 
This cake is yummy. 
My father is tall. 
You are very thin. 
I am his brother/ sister.
They are my friends.
She is a dancer. She is very flexible. 
The book is interesting.
They are doctors.
You are very tall.
The table is small.
She is a young girl.
The stars are glowing. 
http://lingdigi.com/2015/11/03/wh-questions-and-the-verb-to-be/