1. To improve
people are trying to improve their diets
I'd like to improve my English.
I'm going to improve my score, time me.
Try to improve your speaking skills.
I want to improve my English.
I have to improve my German.
I want to improve my drawing skills.
Doing mental exercise is a very good method to improve your memory.
to improve the offer
They've been trying to improve the children's diet.
They have to improve the image of the company.