THEN, is a preposition. You use it to help complete sentences. THAN is an adjective and a conjunction used for comparisons.
Ejemplo 1 We went to eat, THEN we went home.
Ejemplo 2 THEN what did you do next?
Ejemplo 3 She is much younger THAN her siblings.
Ejemplo 4 Rather THAN go to the store, I went home.
(used, as after comparative adjectives and adverbs, to introduce the second member of an unequal comparison):
She's taller than I am.
(used after some adverbs and adjectives expressing choice or diversity, such as other, otherwise, else, anywhere, or different, to introduce an alternative or denote a difference in kind, place, style, identity, etc.):
I had no choice other than that. You won't find such freedom anywhere else than in this country.
(used to introduce the rejected choice in expressions of preference):
I'd rather walk than drive there.
except; other than:
We had no choice than to return home.
We had barely arrived than we had to leave again.
in relation to; by comparison with (usually followed by a pronoun in the objective case):
He is a person than whom I can imagine no one more courteous.
Idioms and Phrases with than
actions speak louder than words
bark is worse than one's bite
better late than never más vale tarde que nunca
better safe than sorry
bite off more than one can chew
blood is thicker than water
easier said than done
eyes are bigger than one's stomach
in (less than) no time
more dead than alive
more fun than a barrel of monkeys
more in sorrow than in anger
more than one bargained for
more than one way to skin a cat
none other than
no sooner said than done
5. We had barely arrived, then we had to leave again.
6. He is a person than whom I can imagine no one more courteous. - I think something is missing here. Maybe "I can't imagine a person more courteous than him."
Thank you,I learned something new.
Thank you both of you for your comments. We all get a little relaxed in our first language and are capable of writing simple grammar errors because words like your and you're sound the same. I am a writer and I do the same.
And thank you for the correction on than being a preposition and conjunction.
is a conjunction,and a preposition.