He ________ the plane if he __________.

If you ____________ down the volume of your stereo, the neighbours would not have complained.

If we __________ the window yesterday, it __________ so cold in here.

If they __________ a new tent, they__________ wet during the night.

The computer __________ so often if __________ it.

Your friends __________ at you if you __________ your hair.

If the lady __________ the boy, he _________ into the van.

If she __________ me, I __________ her from the airport.

The dog ________ you if you ________ teased him.

If the men __________ the batteries, they 999 enough power for their laptops.