a) If you've got too many copies, I'll take one.
b) Your English won't improve unless you speak more in class.
c) I'll lend you some money if you need it.
d) I'll phone you if I can't come this evening.
e) Don't worry! Unless I'm very ill, I'm coming on holiday!
f) Don't look at the TV screen now unless you want to know the result.
g) If you shout at her, she'll burst into tears.