Looking on the internet deeply has found these results:

to improve is the most popular phrase on the web.

to improving 11,580,000 results on the web	to improve 1494,000,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
May 12, 2015 ... Your team has been heads down in a project, crafting the most meaningful experience ever for your clients, and you finally pop up for air. pollution, and save money. The average driver spends about 44 cents per mile including ownership and maintenance. ir Quality. 10Simple Steps to Improving ... Jul 19, 2013 ... The Secret to Improving Accountability. People try to get things done, but stuff often falls through the cracks. Here's how to make yourself and ... Nov 7, 2006 ... Ex.1. "This can contribute to improve the quality of life of all people." Ex.2. "This can contribute to improving the quality of life of all people."	This is a prescription to improve water quality. Trying to improve the air Your reaction to stimuli At super The proposal seeks to improve aviation safety. speed continues to improve. The Liberian Government has attempted to improve security at border crossings. Ukraine needs to improve its services sector. Management made changes to improve our ratings.

to improving

11,580,000 results on the web

to improve

1494,000,000 results on the web

More popular!

May 12, 2015 ... Your team has been heads down in a project, crafting the most meaningful experience ever for your clients, and you finally pop up for air.
pollution, and save money. The average driver spends about 44 cents per mile including ownership and maintenance. ir Quality. 10Simple Steps to Improving ...
Jul 19, 2013 ... The Secret to Improving Accountability. People try to get things done, but stuff often falls through the cracks. Here's how to make yourself and ...
Nov 7, 2006 ... Ex.1. "This can contribute to improve the quality of life of all people." Ex.2. "This can contribute to improving the quality of life of all people."

This is a prescription to improve water quality.
Trying to improve the air
Your reaction to stimuli At super
The proposal seeks to improve aviation safety.
speed continues to improve.
The Liberian Government has attempted to improve security at border crossings.
Ukraine needs to improve its services sector.
Management made changes to improve our ratings.