Infinitive to express purpose

Change the sentences so you can use infinitive to show purpose:

I went to the coffee shop because I wanted to meet my best friend.

• I went to the coffee shop because to want to meet my best friend.

• I went to the coffee shop to meet my best friend.

• I went to the coffee shop because to meet my best friend.

I often travel by public transport. I want to save money.

• I often travel by public transport to save money.

• I often travel by public transport because I want to save money.

• I often travel by public transport to want to save money.

I’m studying at a university. I want to be a pharmacist.

• I’m studying at a university. I want to be a pharmacist.

• I’m studying at a university want to be a pharmacist.

• I’m studying at a university to be a pharmacist.

I called my uncle because I needed to find out what time he would arrive.

• I called my uncle to find out what time he would arrive.

• I called my uncle find out what time he would arrive

I stayed late at the office. I had to finish the project.

• I stayed late at the office because to finish the project.

• I stayed late at the office to finish the project.

I bought a new sofa. I will place it in the living room.

• I bought a new soft to place it in the living room.

• I bought a new sofa for place it in the living room.

I have been working extra hours because I need to earn more money.

• I have been working extra hours because I need more money.

• I have been working extra hours to earn more money.

I’m learning another language so I have a better chance of promotion at work.

• I’m learning another language to be promoted at work.

• I’m learning another language because I want to be promoted at work.

He does a lot of exercise. He wants to become healthier.

• He does a lot of exercise because he wants to become healthier.

• He does a lot of exercise to become healthier.

I started running a course for helping new mothers look after their babies.

• I started running a course because I want to help new mothers look after their babies.

• I started running a course to help new mothers look after their babies.