I forgot to shake the president's hand.
I've stopped drinking soda.
to = in order to
I don't drink it now.
I stopped to pick up some fruit juice at the store.
I tried giving up coffee for a whole year, but then I started drinking it again.
I tried to give up sweets, but I just couldn't do it.
FORGET, REMEMBER, REGRET SOMETHING THAT SOMEONE NEEDS OR NEEDED TO DO
try = try without success
I remember thanking my professor as I left.
FORGET, REMEMBER, REGRET + V-ING
I always remember to say thank you.
I'll never forget going up to my college diploma.
FORGET, REMEMBER, REGRET THAT SOMEONE DID SOMETHING
FORGET, REMEMBER, REGRET + TO+ VERB
try = experiment with