Relier Pairs First conditionalVersion en ligne This exercise will help you to practice and reinforce the first conditional sentences. par María del Rosario Alonso 1 If you want to be fit, 2 You will be under pressure 3 The baby won't sleep well 4 Unless you work hard, 5 The pandemic won't stop if you don't organize your time. unless everybody takes action. if she doesn't listen to music. you will have to exercise your body. you won't have the results you wish.