THIRD CONDITIONAL-NO POSSIBILITY IF CONDITION PAST PERFECT If I had won the Christmas lottery RESULT WOULD HAVE+PAST PARTICIPLE I would have bought a big house RESULT IF CONDITION PAST PERFECT WOULD HAVE+PAST PARTICIPLE I would have bought a new house if I had won the Christmas lottery We use the third conditional to talk about the past. It's a dream that will never come true. Exercise Write the verbs in brackets. Use the third conditional. 1-If I 2-Sally (not lose) my wallet, I (arrive) at the opera on time. (not be) so upset if she 3-If Mary (be) hungry, she, (pass) the driving test. (have) something to eat. 4-My parents, 5-Peter (not have) the money. (not remind) him. (not buy) the house if they (forgot) her mother's birthday if I 6-1 (phone) you if I 7-Tim (get) a taxi if he 8-If the weather 9-1 10-If Lisa 11-1 12-You (be) nicer, we (sell) my golden ring if I (not be) so tired, she (win) the contest if I (see) that wonderful film if you (have) more free time, he (not miss) the train, she (be) happier if she (have) your telephone number. (not forget) his wallet at home. (go) to the beach. (not give) it to my niece. (go) to the concert last night. (know) all the answers. (come) to the cinema with us. (do) his homework yesterday. (see) Tom. Now he's gone. (marry) her first love. (travel) to Paris last summer. 13-If he 14-If Mary, 15-My sister 16-If Tony 17-You (save) some money, he (learn) Chinese if you. 18-IfI (see) my aunt, I (tell) her the news. (stay)longer in China.​