1.1a; 2c; 3d;
4b; 5b
2.1 if he hadn`t
broken; 2 will sing; 3 pay; 4 wouldn`t have known; 5 doesn`t ask
3.1didn`t; 2
hadn`t; 3 would; 4 were; 5 didn`t break; 6 weren`t; 7 wouldn`t have told; 8
could; 9 were; 10 knew
4.1 If Tim
hadn`t gone to a party last night he wouldn`t have gone to bed late. 2 If his
alarm clock had gone off he wouldn`t have woken up. 3 If Tim weren`t always
tired he wouldn`t have overslept this morning. 4 If he hadn`t missed his train
he wouldn`t have had to wait an hour for the next one. 5 If he hadn`t arrived
at work late the manager wouldn`t have been angry.