мне надо до завтра 1.if it(not rain)tomorrow,we(go) on a picnic
2.if he(have) time,arthur(tidy) his room
3.if it(not be) warm,the plants(not grow)
4.he(not sleep) if he(drink) too much coffee
5.when you(mix)red and green colour,you(get) brown
6.if it(rain),the children(not/to go) for a walk
7.when winter(come),days(get) shorter
8.if they(play)well,they(win) the match