1 if it ... (not/be) cold, they wouldn't have lit the fire.
2 if she studied more, she ... (be) a better student.
3 they ... (not/see) the Queen if they hadn't visited London on that day.
4 if you should win that competition, you ... (be) rich.
5 if i lived in France, l ... (speak) French well.
6 if they ... (lock) the doors, the burglars wouldn't have got in.
7 we ... (have) a party if Alan passes his driving test.
8 i ... (give) John your message if i should see him today.
9 they ... ( not/have) any money if their cousin hadn't lent them some.
10 those plants ... (not/grow) if you don't water them.
11 i would buy that bag if it ... (be) cheaper.
12 if she ... (open) the letter, she would have been surprised.
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