Ex1:Put the verb into the correct tence. 1>if we meet at 9.00,we(have) plenty of time. 2>If you pass your examination,we(have) a celebration. 3>Lisa would find the milk if she(look) for it in the fridge. 4>What(happen) if I press this button. 5>The door will be unlocked if you(press) the green button. 6>If you go to Paris this weekend,where(you/stay) ? 7>The filght may be cancelled if the fog(get) thick? 8>I(call) the office if I were you. 9>I would repair the roof my self if I (have) a long ladder. 10>You would here my explanation if you(not talk) so much. 11>Someone(sit) on your grasses if you leave them here. 12>It the milkman(come) ,tell him to leave them there. 13>What(I/do) if I hear the burglar a larm?