2.jason__(recognize)the winner if he had been told 3.if i ___(know) his name,iwould say hello. 4.if the president had been informed in time,he___(make)a different decision. 5.if mary ____(try)again,she would have been successful. 6.the children wouldn't have been so upset if they ____(receive)the candy. 7.if jerry ____(spend)more money on the repair work,it would have worked well. 8.we___(believe) them if they told us the story. 9.she would have finished the report on time if she ____(know)all the facts. 10.if we____(not buy) the car, we wouldn't have gone on vacation.