Say what the teenagers had done by that time yesterday. 1) roy / to finish classes(4p.m.) 2) sally/to play the game of basketball (7p.m.) 3) harry / to buy a dictionary(6p.m.) 4) rose / to wash her uniform (5p.m.) 5) ada / to have breakfast (9p.m.) 6) peggy / to clean the flat (11a.m.) 7) dick / to watch a film on tv (10p.m.) 8) philip / to do his lessons (8p.m.)

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