[질문] 영어문법에서요,어떤때에a를붙여야하나요?

1.자음앞a,모음앞an/2.단수형가산명사에형용사가붙을경우,보통'a(n)(+부)+형+명'의어순으로,the에대비해서불확실함을나타낼때/의미:certain, per, any, one,등