1. The policeman said not to walk alone in the night.
(пов. накл. с отрицанием - said: "don't" --> said not to)
Полицейский запретил гулять в одиночку поздно ночью.
2. The student said (that) he had written the report the day before.
(согл.времнён в пр.вр: Past Simple --> Past Perfect)
Студент (ученик) сказал, что написал отчёт за день до этого.
3. My dentist said (that) sweets are harmful for my teeth.
(are, а не were, т.к. факт, что конфеты вредны для зубов - так наз. "универсальная истина"; как, например, и "The Sun rises in the East" и т.д., согласования времён в таких случаях не происходит).
Мой зубной врач сказал, что конфеты вредны для моих зубов.
4. The doctor said to go to bed not later than 10 o'clock in the evening.
(пов. накл. - said: "go" --> said to go)
Доктор сказал, что нужно ложиться спать не позже 10 часов вечера.
5. My brother said (that) we would have finished the work by 5 o'clock.
(согл. времён в пр.вр.: Future Perfect --> Future Perfect in the past)
Мой брат сказал, что мы закончим работу к 5 часам.
6. He said (that) he had 6 lessons that day.
(согл. времён в пр.вр.: Present Simple --> Past Simple)
Он сказал, что в тот день у него было 6 уроков.
"famous?!" Marcel looked at gis English friend. "Why?" "it's very interesting story" Henry said.
"He has some letters.They were under the floor of an old woman's house in Oxford"
"And ...?" Marcel said.
"And they're from Shakespeare to his son"
Henry said.
"Shakspeare!"
"Yes" . Henry smiled. "Shakspeare. The old lady telephoned Proffesor Barton'and the Proffesor visits her.They talked about the letters and said "I want to give them to the British Museum in London.Can you do that for me?"
"And Proffesors Barton said "Yes"?"
"Thats right"
"Where are the letters now?" Marcel asks
"In the proffesor's flat.He's going to give them to British museum tommorow morning at ten o'clock. A lot of journalists and TV people are going to be there"