Ответ:

2. If he didn't lose his job, he would not have been unemployed. 3. If his pet didn't die he would have been happy. 4. If she had a mobile phone, she would have been contacted . 5. If Tom saw the boss he would not have waited for him( или  he would not have been waiting for him). 6. If he wasn't allergic to seafood he would have eaten paella. 7. If I didn't lose my map I would not have asked for direstions. 8. If she spoke French she would have had a good time in Paris. 9. If he didn't lose his case he would not have been unhappy. 10. If she went to the abnk she would have got money. 11. If they didn't go to the party they would not have been tired. 12. If I didn't crash the car I would not have taken the bus