7класс 1) if you will do/do aerobics, you'll feel fitter. 2) i won't/don't go to the cinema if i've got a headache. 3) they'll have an accident if they aren't/won't be careful! 4) if it's sunny, we will use/use suntan lotion. 5) you'll strengthen your muscles if you will take/take exercise.
2 won’t
3 aren’t
4 will use
5 take
Данные предложения относятся к условным предложениям 1типа, в придаточном предложении ( Present Simple),а в главном -Future Simple.