Question

I was reading a book while
Passar para forma interrogativa negativa

Answer 1

Resposta:

Negativa: I was not reading a book

Interrogativa: Was i reading a book?

Explicação:

Answer 2

i was not reading a book while ...
was i reading a book?

past continous auxiliary verb to be + not + main verb ING

interrogative form auxiliary to be in the past + subject +
main verb ING