Tipul 0 - Water boils if you heat it. /Tipul 1 We"ll go shopping if you have time tomorrow. / tipul 2 - I would be mote careful with my homwork if I were you . / tipul 3 - She would have invited Jack to the party if she had known his addres. / mixt 3 +2 - if I had learned my lessons I woul know the answer to your questions.