1.If our air-conditioning were working, we wouldn't feel so hot.
2.If I were you, I would pay more attention to my work.
3.If Sue could speak French, she had better find a job in Paris.
4.Unless you have flour, you can't make a cake.
5.If Steve hadn't eaten so much last night, he wouldn't feel so sick now.
6.If I had noticed you, I would have greeted you.
7.He 'll make the same mistakes again unless someone tells him.
8.If I had slept well last night, I wouldn't feel so sleepy now.
9.If I were you, I would discuss the matter with the lawyer.
10.If he hadn't stolen the money, he wouldn't be in prison now.