Than shows comparison.
I'd rather sleep than do homework.
Then shows time/action.
I'll do homework and then sleep.
Than is most often used when choosing between two options, with the favored option listed first. He'd rather do option one than option two.
Then is used when listing two or more actions in order of when they will be completed. He'll do task one, task two, then task three.
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Grammatically Correct
RastgeleRules of writing so you are grammatically correct because it's one if my pet peeves. This is to educate and assist people in perfecting their writing and because school doesn't always teach us what we want to know.
