She .............. my mum. She is my sister.
isn't
He ......... tall. He isn't short.
It ............ a tiger.
isn't
You .............. sisters. You are friends.
aren't
I .............. a teacher.
am not
They ............ thin.
aren't
I............. thin.
am/ "
They ............ pens.
are
We ......... seven. We are eight.
aren't
The boys ........... sad.
aren't
The elephants ............ fat.
are
They ......... brothers.
are