If you don’t use a map when you dive, you could get lost.1.
2.Students will do badly in their exams if they don’t get enough sleep
3.Many can be avoided if you think before you speak
4.If you want to lose weight, exercise three times a week and don’t eat junk food
5.If you fly there, it will be faster than taking a train
6.I will go to that film if I find someone to go with me