Упражнение 3. Imagine that your classroom and the school yard have been thoroughly cleaned. Say what has been done by

 Example The windows ... (to wash) — The windows have been washed by the girls.

The desks ... (to wash) - The desks have been washed by boys. - Письменные столы были вытерты мальчиками.

The flowers ... (to water) - The flowers have been watered by girls. - Цветы были политы девочками.

The floors ... (to mop) - The floors have been mopped by girls. - Пол быт вымыт девочками.

The furniture ... (to dust) - The furniture have been dusted by boys. - Мебель была протерта (отполирована) мальчиками.

The grass ... (to cut) - The grass have been cut by boys. - Трава была подстрижена мальчиками.

The trees ... (to cut) - The trees have been cut by boys. - Деревья были обрезаны мальчиками.