The wordsfor, so andto 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.
1Susie talked to the girl ............... that she wouldn’t feel left out.
Wrong!
2We are going there ............... finalize the contract.
Wrong!
3An altimeter is used ............... measure height above sea level.
Wrong!
4I will take it back to the shop ............... get a replacement.
Wrong!
5I will need the car ............... you will have to take a taxi.
Wrong!
6Send the letter by speed post ............... that she will get it before Tuesday.
Wrong!
7We stopped at the pub ............... a drink.
Wrong!
8A barometer is used ............... measuring atmospheric pressure.
Wrong!
9People often go traveling ............... find themselves.
Wrong!
10Take some fruit ............... eat on the way.
Wrong!
Done.
Score: 0/10
Answers
- Susie talked to the girl so that she wouldn’t feel left out.
- We are going there to finalize the contract.
- An altimeter is used to measure height above sea level.
- I will take it back to the shop to get a replacement.
- I will need the car so you will have to take a taxi.
- Send the letter by speed post so that she will get it before Tuesday.
- We stopped at the pub for a drink.
- A barometer is used for measuring atmospheric pressure.
- People often go traveling to find themselves.
- Take some fruit to eat on the way.

