If / rainy / we / not go shopping
If it's rainy, we won't go shopping.
I / go for a walk / if / sunny
I'll go for a walk if it's sunny.
Unless/ you / turn off the oven/ the cake / burn
Unless you turn off the oven, the cake will burn.
If /want / be healthy/ you / drink more water.
If you want to be healthy, you should drink more water.