Student or Learner
Would you explain to me the usage of Ėing and Inf.- forms in the following sentences?
1. Donít forget shutting the windows when you leave home.
2. Donít forget to shut the window when you leave home, it is vey windy to-day.
3. I donít like interrupting people.
4. I donít like to interrupt him, he seems vey busy.
Thanks for your efforts.