to replace something with something else
Past Participle form
I will change the tires on my car.
Every day I change which cup I use.
A: What are you doing today?
B: I will change the bed sheets and covers.
A: That's not exciting.
I changed my shirt because I spilt sauce on the old one.
The football changed his boots at half time.
A: Did you want pizza for dinner?
B: No, can we have Chinese? I changed my mind.
A: Yeah, that's fine. I'll order it now.
I'm changing the car we drive.
My friend is changing what she eats. She's becoming a vegan.
A: What's mum doing?
B: She's changing her outfit before we go out.
A: It's been a while.