Question

Como passar essas frases para o interrogativo e negativo do verbo to be:
1.Helen was very fat.
2.they boys were at school.
3.The children were at the club.
4.John was good at mathematics.
5.She was the best student.

Answer 1

1- Helen wasn't very fat
Was Helen very fat? 

2- The boys weren't at school
Were the boys at school?

3- The children weren't at the club
Were the children at the club?

4- John wasn't good at mathematics
Was John good at mathematics?

5- She wasn't the best student
Was she the best student?