Gerund and infinitive

1. Like to do -- specific
    like doing  -- normal
2. forget/remember  to do  -- duty or responsibility
    forget/remember doing  -- recall or not recall the past
3. regret to do --  bad news
    regret doing  --  wish you don't had done something in the past
4. try to do -- make an effort to do something
    try doing -- try with  a new approach to see if it works
5. stop to do -- to pause in order to do something
    stop doing  -- no longer to do something
6. Prefer + gerund : I prefer staying home to going to concert.
    prefer + infinitive : I prefer to stay home than (to) go to the concert.