Подскажите предложение : It was late to change the dates of the tour yesterday. Как переделать предложение в past indefinite tens в вопросительной и утвердительной форме.

It was late to change the dates of the tour yesterday.

Was it late to change the dates of the tour yesterday?

It was not (wasn't) late to change the dates of the tour yesterday.

УТВЕРДИТЕЛЬНАЯ.     I, he, she, it + was

                                        You, we, they + were

ОТРИЦАТЕЛЬНАЯ.       I, he, she, it + was not (wasn't)

                                        You, we, they + were not (weren't)

ВОПРОСИТЕЛЬНАЯ.    Was + I, he, she, it + ?

                                         Were + you, we, they + ?