Respuesta :

i am doing my homework
you are my friend
he is a great student
she is my girlfriend
we are a happy family
they are looking for the treasure
i´m not a crazy boy
you're not invited to the party 
he isn´t studing English
she isn´t working at home

i am beautiful

you are playing

he is singing

she is bad

it is short

we are in cinema 

you are angry

they are in the park