1. Roy had finished classes by 4 p.m. yesterday.
2. Sally had played the game of basketball by 7 p.m. yesterday.
3. Harry had bought a dictionary by 6 p.m. yesterday.
4. Rose had washed her uniform by 5 p.m. yesterday.
5. Ada had had breakfast by 9 a.m. yesterday.
6. Peggy had cleaned the flat by 11 a.m. yesterday.
7. Dick had watched a film on TV by 10 p.m. yesterday.
8. Philip had done his lessons by 8 p.m. yesterday.