Поставьте предложение в двух других временах 1) the books are given to the student at every lesson 2) they will have finished their work by 4 o'clock умоляю вас
1) The books were given to the student at every lesson. 2) They had finished their work by 4 o'clock. 1) The books will be given to the student at every lesson. 2) They finished their work at 4 o'clock.
2) They had finished their work by 4 o'clock.
1) The books will be given to the student at every lesson.
2) They finished their work at 4 o'clock.