Question

Change the following sentences from affirmative to interrogative and negative form:
a) They are having lunch.
b) He is looking for the book which he lost​

Answer 1

Resposta:

a) They are having lunch.

Negative: they aren't having lunch

Interrogative: are they having lunch?

b) He is looking for the book which he lost

Negative: he isn't looking for the book which he lost

Interrogative: Is he looking for the book which he lost?