If you (leave) that cut untreated it (become) infected. 12. it you (ask) him for help he always (give) it. 13. if he (travel) all afternoon i know he (not want) to go out this evening. 14. george (leave) tomorrow if the weather (be) fine. 15. we (go) riding tomorrow if the horse's leg (be) better. 16. the council (arrange) a concert if they (find) enough singers. 17. it the garage (repair) the car we (be able) to go to the mountains tomorrow? 18. that artist only (paint) another picture if he (find) a suitable mode

11. If you (leave) that cut untreated it (will become) infected.
12. It you (ask) him for help he will always (give) it.
13. If he (travels) all afternoon I know he (will not want) to go out this evening.
14. George (will leave) tomorrow if the weather (is) fine.
15. We (shall go) riding tomorrow if the horse's leg (is) better.
16. The council (will arrange) a concert if they (find) enough singers.
17. If the garage (repairs) the car we (will be able) to go to the mountains tomorrow?
18. That artist will only (paint) another picture if he (finds) a suitable model.

Leave- will become. ask- will give. travels- will not want. will leave -is. will go-is. will arrange-fund. repairs-will we be able to...will paint- finds