I have read that indefinite articles can be with adjectives that modify plural nouns.
When he was a teacher,he has an embarrassing things.
I bought a new cars.
Could you please tell me the correct grammar.
Do indefinite articles come with plural nouns even if there are exceptions?
Could you please clear it straight?
It confused me too much.
Don't use "a" or "an" with plural nouns. Period.
You can say "some" or "a few" or "many" (as well as other words) but not "a/an."
I'm not a teacher, but I write for a living. Please don't ask me about 2nd conditionals, but I'm a safe bet for what reads well in (American) English.