38- A alternativa que está com a forma negativa incorreta
a) She isn't beautiful
b) He not is my brother
c) We aren't brothers
d) I am not happy
e) They are not sisters
39- Como se escreve em inglês a frase
interrogativa: "Elas são bonitas?"
a) Is he beautiful?
b) They aren't beautiful
c) They are beautiful
d) Are they beautiful?
e) She is beautiful.
m 6.​

A) the boy go to school my bus
b) she watch soap-operas
c) they want drink
d) she need money
e) we work on sundays

Tanto o were e o was podem ser negativo, afirmativo, ou ainda, interrogativo.
a diferença é que o was é para i/he/she/it e o were é para   you/we/you/they. 
para o negativo, o que muda é a terminação, ficando : wasn't e weren't, que são contraídas do was not e were not.

exemplos:   we are in the park now, but yesterday we were at the school. 
we are in the park now, but yesterday we weren't at the school.

i am thin now, but when i was  child, i was really fat.
i am thin now. when i was child, i wasn't  fat.