1 Be careful or you will fall into the hole
2 Be careful or you'll break the glass
3 Don't be imparient or you will make mistakes
4 Don't litter the place around or it will be a junk jard
5 Don't smoke or you'll get lung cancer
6 Do it now, or you will not finish it on time
7 Do more grammar exceicises , or you'll get poor marks
