Нужно на завтра . раскройте скобки и напишите каждое предложение образуя условные предложения 1,2,3 типов if he( to work hard), he ( to achieve) great progress.
Первый тип If he works hard, he will achieve great progress. Второй тип If he worked hard, he would achieve great progress. Третий тип If he had worked hard, he would have achieved great progress.
If he works hard, he will achieve great progress.
Второй тип
If he worked hard, he would achieve great progress.
Третий тип
If he had worked hard, he would have achieved great progress.