I've just started to learn / learning to ski.
He had intended to leave / leaving the party before midnight.

I like to clean my car every week.
( = focus on the result of the activity)
I like cleaning my car even/ week.
( = focus on the activity itself, i.e. I enjoy cleaning it)

1. We saw the plane take off.
    ( = We saw the whole action or process)
2. We saw the plane taking off.
    ( = We saw only part of the process)

1. I forgot to phone my brother
    ( = I didn't phone him.)
2. I'll never forget phoning my sister that night.
    ( = I phoned her and I recall it well.)

1. Tom remembered to close the windows before he left.
    ( = He did something lie had to do; he didn't forget.)
2. Tom remembered closing the windows before he left.
    ( = He recalled doing it.)

1. He won his first race at six and went on to break the world record.
    ( = Breaking the world record was something he did later.)
2. He went on walking even though he was exhausted.
    ( = He didn't stop walking.)

1. I'm sorry, I didn't mean to be rude.
    ( = intend)
2. If we want to catch the early train, it'll mean getting up at 5.00.
    ( = involve)

1. I regret to inform you that you have not passed the test this time.
    ( = be sorry about something you are about to say - often bad news)
2. He now regrets taking the day off work.
    ( = He wishes he hadn't taken the day off work.)

1. We'd better stop to look at the map.
    ( = stop what you are doing in order to do something else)
2. There's nothing you can do about it so stop worrying.
    ( = finish worrying)

1. I've been trying to repair my computer all morning.
    ( = attempt something difficult)
2. Have you tried kicking it?
    ( = do something which might solve a problem)