1. Stop telling lies or no one will trust you any more

=> If you don't stop telling lies , no one will trust you

2.Pay attention to the teacher or you can't understand the lessons

=> If you don't pay attention to the teacher, you can't understand the lessons

3.Go to bed early or you will be exhausted the next morning

=> If you don't go to bed early, you will be exhausted the next morning

4.Brush your teeth often in order not to get toothache

=> If you don't brush your teeth often, you will get toothache

5.Unless you want to get sick ,you should eat more healthily

=> If you don't want to get sick ,you should eat more healthily

1. If you don't stop telling lies, no one will trust you anymore.

2. If you don't pay attention to the teacher, you can't understand the lessons.

3. If you don't go to the bed early, you will be exhausted the next morning.

4. If you don't brush your teeth often, you will get toothache.

5. If you don't want to get sick, you should eat more healthily.