Опровергните данные утверждения напишите по одному общему и специальному предложению there is somebody there.2 there were computers in the lab .3 there was some petrol in the petrol tank.

1.There isn't anybody there.
Is there somebody there ?
Where is somebody?

2 There weren't computers in the lab .
Were there computers in the lab ?
What were there in the lab ?

3 There wasn't any petrol in the petrol tank.
Was there any petrol in the petrol tank ?
What was there in the petrol tank ?