1. Turn off the lights when you don't use it.
2. Use bikes to go to school.
3. Don’t use cars for traveling your houses.
4. Use environment-friendly laboratories.
5. Don’t use your private cars too often.
6. Don’t start your factory before you open them.
7. Don’t use plastic bags, use paper bags.
8. Save all the animals.
9. Use environment-friendly detergents.
10. Don’t throw garbage everywhere.
11. Japan saves trees and save trees.
12. Don’t waste water.
13. Unplug the electric devices after use.
14. Don’t cut down trees.
15. Don’t use chemicals every day.
16. Don’t turn your nose after you see trash.
17. Don’t leave trash after you eat.
18. Use public transportation more often.
19. Use electric cars.
20. Don’t throw your rubbish.
Parent Tip: Review the logic above to help your child master the concept of imperative sentences worksheet.