We ... (to order) a pizza if Dolly ... (not to cook) supper.
If you... (not to be) careful, you ...(to burn) yourself.
When Tony ... (to finish) school, he ... (to continue) his study at the college.
If Mary ... (to have) a toothache, she ... (go) to the dentist.
The snow ... (to melt) when the sun ... (to shine).
If you ... (not to pay) the electricity bill, they ... (to cut) it off.
Sue ... (not to go) to the mountains until she ... (to pass) her exams.
We ... (to have) lunch when you ... (to be) hungry.
Polly ... (to feel) better if she ... (to keep) to a diet.
When Helen ... (to have) some problems, she always ... (to ask) her mother for help.
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