He / short
isn't
Chocolate / good for you
isn't
I / a teacher
am not
They / happy
are
Nemo / an octopus
isn't
Lisa and I / family
are
You / good student
are
He / tall
is
We / at school
aren't
It / sunny
isn't
I / a doctor
am
Grandma / ninety years old
isn't
The dog / hungry
isn't
She / angry
is
She / tired
is
Stitch / a monster
is
They / friends
aren't
The apples / red
aren't
Tom / a cat
is
Lilo and Nani / sisters
are
We / friends
are