Question

Complete the gaps with the negative form of the verb to be

1- This book _____ mine
2- Jane and peter ____ married
3- that _____ right
4- my brother _____ here at the moment

a) 1- isn't 2- aren't 3- isn't 4- isn't
b) 1- aren't 2- aren't 3- isn't 4- aren't
c) 1- isn't 2- aren't 3- aren't 4- isn't
d) 1- isn't aren't 3- aren't 4- aren't
e) 1- isn't 2- isn't 3- isn't 4- isn't

Answer 1

Alternativa a) é a correta.

Você usa is no singular e are no plural.