The words for, so and to can all be used to indicate purpose, but they are not interchangeable. That means they are used in different structures.
Complete the following sentences using so, for and to.
Answers
1. Susie talked to the girl so that she wouldn’t feel left out.
2. We are going there to finalize the contract.
3. An altimeter is used to measure height above sea level.
4. I will take it back to the shop to get a replacement.
5. I will need the car so you will have to take a taxi.
6. Send the letter by speed post so that she will get it before Tuesday.
7. We stopped at the pub for a drink.
8. A barometer is used for measuring atmospheric pressure.
9. People often go traveling to find themselves.
10. Take some fruit to eat on the way.

