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1. We hurried to school in order not to be late. 

2. He climbed the trees to get a better view. 

3. Some young people like to earn their own living so as not to depend on their parents. 

4. We should do morning exercises to improve our health. 

5. People use money in order to buy things they need. 

6. Banks are developed so as to keep people's money safe. 

7. She put on warm clothes not to catch cold. 

8. He hurried to the station in order not to miss the train. 

9. She locked the door so as not to be disturbed. 

10. I tried to be on time in order not to make our teacher sad. 

11. The boy tiptoed into the room so as not to wake every body up. 

12. I need to buy some laundry detergent to wash my clothes. 

13. Tom was playing very softly in order not to disturb anyone. 

14. Lan often attends English Speaking Club in order to practice speaking English. 

15. They rushed into the burning house so as to save the child. 

16. I came to this school to learn English. 

17. She turned on the TV to watch the news.

18. Nancy is carrying extra courses every semester so as to graduate early. 

19. Ed took some change from his pocket in order to buy a newspaper.

20. I unplugged the phone not to be interrupted while I was working.