6речень з словом if типа такого if she sleeps,i will watch tv

If it rains, I will stay at home.
If you see the poster,you'll remember to switch the lights off.
It won't be so bad if we all help.
If we don't recycle paper,we will need to cut down more trees.
If we cut down more trees,the forest will disapear.
There will be more deserts if the forests disapear.