Определить видоизмененные формы глаголов , и указать их инфинитив. 
Пример :   Lomonosov founded the first Russian University in Moscow  
----Founded---> Past Simple Active- от стандартного глагола to Found.

1.English universities greatly differ from each other.
2.Scientists will invent anti-aging pills and people will live much longer than now.
3.The Olympic Games began in 777 BC in greece and took place every four years for nearly 12 centuries.
4. Many colleges of Oxford and Cambridge universities were founded  in 12 and 13 centuries.

1. English universities greatly differ from each other. Present Simple to differ 2. Scientists will invent anti-aging pills and people will live much longer than now. Future Simple to invent, to live3. The Olympic Games began in 777 BC in greece and took place every four years for nearly 12 centuries. Past Simple to begin, to take4. Many colleges of Oxford and Cambridge universities were founded  in 12 and 13 centuries. Past simple Passive to be, to found.