1) They _______ really happy to discover they _______ the competition. were; won were being; had won were; had won were being; won
2) We _______ knowing how the fire _______. didn’t know; had started didn’t know; had been starting weren’t knowing; had started weren’t knowing; had been starting
3) He _______ for half an hour when he _______ to go home. was waiting; decided had been waiting; had decided was waiting; had decided had been waiting; decided
4) I _______ out of bed and _______ downstairs. jumped; ran was jumping; had run jumped; had run was jumping; ran
5) She _______ in the sea when she _______ the thunder. swam; heard swam; had heard was swimming; heard was swimming; had heard
