Помните переписать предложение с in case provided unless! if you don't do warm-up exercises you'll get a sprained muscle. i always take something to eat me because there might not be any vegetarian food. unless you make a serious mistake i am sure you'll do well in the exam.

You will get a sprained muscle unless you do not do warm-up exercises
I always take something to eat with me In case there mightn't be any vegetarian food
provided that You don't Make a serious mistake, I am sure you'll do well in the exam