Поставьте каждое предложения в вопросительную и отрицательную форму. 1) he has signed this agreement recently. 2) we have agreed to purchase their machinery, 3) they have already manufactured this equipment. 4) i spoke to new york over the telephone yesterday. 5) he was in the office. буду за правильные

1) Has he signed this agreement recently?
He hasn't signed this agreement recently.
2) Have we agreed to purchase their machinery?
We haven't agreed to purchase their machinery.
3) Have they already manufactured this equipment?
They haven't already manufactured this equipment.
4) Did I speak to New York over the telephone yesterday?
I did'nt speak to New York over the telephone yesterday.
5) Was he in the office?
He wasn't in the office.