1.If I want arrive early to work, I will to take a bus.
2.If Carl runs faster, he will win the race.
3.If I work hard, I will succeed.
4.If Peter eats to much, he will feel sick.
5.If Sam takes some medicine, he become well.
6.If you revise your lessons, you won't fail your exam.
7.If brush your teeth regularly, you won't have a toothache.
8.If Sarah does some experiments, she will understand chemistry well.
9.If drive carefully, you won't have an accident.
10.If Laura very tired, she will must go to sleep.
Объяснение:
car
They find it a waste of time
train