If you heat chocolate, it melts. (zero conditional - нулевой тип условных предложений)I will tell you if you get any messages. (first conditional - первый тип условных предложений)If she hadn't felt ill this morning, she would have gone to work. (third conditional - третий тип условных предложений)If I had a million pounds I would give it to charity. (second conditional - второй тип условных предложений)I would have accepted the job if the salary had been good. (third conditional - третий тип условных предложений)If you study harder, you will not fail. (first conditional - первый тип условных предложений)I would go to Prague if I had a week off. (second conditional - второй тип условных предложений)If he had tried harder, he would have passed the exam. (third conditional - третий тип условных предложений)