1) if ) ann, will you give her this message? (possible but very unlikely) 2 we’ll go skiing in the mountains if ) .(likely to happen) 3 if ) to talk, he’ll never learn anything! (insistence) 4 perhaps i could sit here too if you (move) over a little. (polite request) 5 if you (give) me a lift, i’ll get to my appointment on time. (polite request) 6 if i (arrive) earlier than planned, i’ll phone you. (possible but very unlikely)