1. He always drives carefully so as not to cause accidents.
2. Nam is studying very hard in order to keep pace with his classmates
3. We turned out the lights so as not to waste electricity
4.I wish to have enough money in order to buy a new house
5. She wore warm clothes  so as not to get cold.

1. He always drives carefully so as not to cause accidents.
2. Nam is studying very hard in order to keep pace with his classmates
3. We turned out the lights so as not to waste electricity
4.I wish to have enough money in order to buy a new house
5. She wore warm clothes  so as not to get cold