1.- I dont think shes worried about us. If she (be) ............................. worried, she (phone) ........................... or something. 2.- I have an appointment at 3.30 tomorrow. If I (manage) .............................. to finish before 4.30, I (do) ................................ the shopping on my way back. 3.- Tom missed his flight. He (get) ....................................... to the airport on time if he (not oversleep) ................................................... 4.- If I (have) ..................................... such a large house as yours, I (invite) ............................ all my friends for the weekend. 5.- If the child (not be playing) ........................................................ with matches, he (not burn) ........................................ himself. Now hes in hospital. 6.- Shes so shy. If she (talk) ............................. to people, she (make) .......................... friends. 7.- So, youre seeing Terry tonight. If he (ask) ................................ you about me, (not, tell) ............................... him Im going out with John. 8.- If a machine (be) ............... properly maintained, it (fail, never) ........................................... 9.- We (invite) ............................................ him if we (know) .................................................. his address, but he never gave it to us. 10.- Unless I (have) ....................... a problem, I (bother, never) ................................ my friends. 11.- Youre very strong. If you (try) ......................., you (win) ..........................,... your opponent. 12.- Look what youve done. If you (be) ......................................... careful, you (not, break) ......................................... all those glasses. 13.- I was so stupid! Nothing (happened) ........................................... if I (not, moved) ............................................... to his flat. 14.- Shes a bit short. If he (be) ...................... taller he (can) .................................. play basket. 15.- Sorry. I (lend) ................................. you the money you need if I (have) ........................ it. 16.- The bus is full up. If there (be) ..................... an empty seat, I (sit) ............................. down. 17.- Why didnt you go to the police station? If you (report) ..................................... the theft, they (can arrest) ............................................ the robbers. 18.- I (leave) ............................ him a message is he (not, be) ......................home when I phone.