To + ing cases

Normally, to, when followed by a verb, is part of the infinitive: “to go”. Sometimes, to is followed by an -ing verb, in which case the “to” belongs not to the verb-phrase but to the previous expression: “to going”.

List of “to + ing” cases

1. be/get used to (something/doing something)
   • I’m used to working late.
   • She’s getting used to living in a big city.
2. be/get accustomed to (something/doing something)
   • They are accustomed to dealing with difficult clients.
   • He’s getting accustomed to waking up early.
3. look forward to (something/doing something)
   • I look forward to hearing from you soon.
   • We are looking forward to seeing the new movie.
4. object to (something/doing something)
   • Many people object to increasing taxes.
   • He objected to being called a liar.
5. contribute to (something/doing something)
   • Exercise contributes to maintaining good health.
   • Her research contributed to understanding the phenomenon.
6. devote oneself to (something/doing something)
   • She has devoted her life to helping others.
   • He devoted his efforts to finishing the project.
7. admit to (something/doing something)
   • The suspect admitted to stealing the car.
   • He wouldn’t admit to knowing anything about it.
8. confess to (something/doing something)
   • She confessed to eating all the cookies.
   • They confessed to breaking the window.
9. committed to (something/doing something)
   • The company is committed to improving customer service.
   • He is committed to running the marathon.
10. dedicated to (something/doing something)
    • The team is dedicated to providing the best solutions.
    • She is dedicated to practicing her instrument daily.
11. in addition to (something/doing something)
    • In addition to writing books, she also teaches.
    • He works full-time in addition to studying.
12. prior to (something/doing something)
    • Prior to leaving, please turn off the lights.
    • They reviewed the documents prior to signing the contract.
13. prefer (something) to (something/doing something)
    • I prefer reading to watching TV.
    • She prefers coffee to drinking tea.

In all these examples, “to” acts as a preposition, and the -ing form is a gerund functioning as a noun object of that preposition.