В выражениях "он сказал (знал, был...),что ... во второй части предложения "настоящее" переходит в "прошлое", а "прошлое" в " паст перфект"
1 was staying
2 had lost
3 studied
4 should finish
5 worked
6 ha worked
7 was
8 was plaeing
9 would come
10 had posted
7
5
1 He gets a degree in chemistry at every competition. (Present Indefinite )
2 He got a degree in chemistry at the last competition (Past Indefinite )
3 He will get a degree at the next competition. (Future Indefinite )
1 I always pass my entrance exams successfully. ( Present Indefinite )
2 Yesterday I passed my entrance exams successfully. ( Past Indefinite )
3 I shall pass my entrance exams successfully in two days. (Future Indefinite )
1 He usually reads many books on management. (Present Indefinite )
2 He read many books on management last year. (Past Indefinite )
3 He will read many books on management next year. (Future Indefinite )
Вопрос: What year are you in at school?
Перевод: В каком ты классе? (Какой год ходишь в школу?)
Ответ: I am in year 3. (three) ( Я - в третьем классе)