She/he/they told Bruno not to forget to post the letter.
1) My friend entered the medical institute last year. My friend enters the medical institute. My friend will enter the medical institute next year.
2) All students take exams in winter. All students took exams in winter. All students will take exams in winter.
3) The delegation will leave Tomsk on Monday. The delegation leaves Tomsk on Monday. The delegation left Tomsk on Monday.
4) Do you receive letters from your friends? Did you receive letters from your friends? Will you receive letters from your friends?
5) The students of our group attend all the lectures. The students of our group attended all the lectures. The students of our group will attend all the lectures.
6) Some students failed their entrance exams. Some students fail their entrance exams. Some students will fail their entrance exams.
7) The lecture will last two hours. The lecture lasts two hours. The lecture lasted two hours.
8) Shall we go to the disco in the evening? Do you go to the disco in the evening? Did you go to the disco in the evening?
9) He was good at mathematics, but he failed in physics. He is good at mathematics, but he fails in physics. He will be good at mathematics, but he will fail in physics.
1) When Mrs.Smith came home yesterday, she saw that her daughter had cooked supper and was waiting for her with the table laid.
2) Where is Nick? -He isn't at home, he has gone to the cinema. Wait for him, he will come in half an hour.
3) It was very late. I had gone to bed and had fallen asleep when my father returned home.
4) I'll join you when I have drunk my tea.
5) When I came, he was living in the same old house where I had first met him. He told me he had been waiting for me for already some time.
6) The pupils had done a lot of exercises before they learnt to write dictations well.
7) I could not hear a sound: they had stopped talking.
I told Bruno not to forget to post the letter. - запрещение в косвенной речи передается при частицы not и инфинитива с частицей to.
Я сказал Бруно, чтобы он не забыл отправить письмо. (дословно: Я сказал Бруно не забыть отправить письмо по почте).
Вместо слова "I" (я) вы можете употребить любое местоимение или имя, ничего более не меняя.