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 You will be under pressure 2 The baby won't sleep well 3 Unless you work hard, 4 If you want to be fit, 5 The pandemic won't stop unless everybody takes action. you will have to exercise your body. if she doesn't listen to music. you won't have the results you wish. if you don't organize your time.