If we _______ pay the electricity bill by next Monday, they will switch it off.

If I _______ my driving theory exam, I'm going to try next year. 

If you _______  more problems with the phone, take it back to the shop.

If the taxi  _______ arrive by 13 o'clock, I _______  give you a lift to the airport. 

If you _______ Fred at tomorrow's meeting, tell him I want to talk to him.

If your daughter _______ the window,  you _______  to pay for it.

If your mum _______ any help, get in touch with us as soon as possible.  

Talk to your doctor, if you _______  unwell. 

If you _______  any suspicious people while camping, keep away from them.