That is big goose в отрицательной форме

That is a big goose. — That is not a big goose. That isn\'t a big goose.This is a big goose. — This is not a big goose. This isn\'t a big goose.Those are big geese. — Those are not big geese. Those aren\'t big geese.These are big geese. — These are not big geese. These aren\'t big geese. negativeto be ( am, is, are ) + not