Англичане От 1. If you (will have/would having/ have/ would have) а headache, go to the doctor.
If Mike (do/ did/ will do/ does/ done) a lot of exercises, he will be fit and healthy.
2. If you (would having/ have/ would have/ will have) a cold, take some tablets or vitamins.
If teenagers (plays/ would play/ play/ playing/ will play) sports, they will be strong and fast.
3.
1) will have
2)done
3)would having
4)would play