YET: STOP + VERB + ING - to stop smoking
I really need to stop smoking! (90)

To Stop


+ verb
​
+ ing
UPDATED: NOV 2021
This is called a "GERUND".  Learn More
PROBLEM:
If you say this:

  •  "I am going to stop to smoke."   
    X INCORRECT      (but you will be understood)

You should say:

  •  "I am going to stop smoking."  
    X CORRECT
EXAMPLES:
  1. He has to stop talking so much in our meetings.
    ​
  2. Politicians have got to stop lying.

  3. When are you going to stop smoking?

  4. I'm going to stop going to work early in the morning.

  5. I stopped smoking five years ago.