FEW AND A FEW：Few, A Few—What's the Difference? - Grammarly

few and a few   a few good kid Learn how to use few and a few correctly with plural and singular nouns. Few emphasizes a small number, while a few means some. See examples and exceptions

few vs a few Learn the difference between little and a few as quantifiers meaning 'some' and 'not many'. See how to use them with nouns, adjectives, adverbs and of phrases

what was just a few days ago “A few days ago” is used when we are using “now” as our reference point. It means a few days before now. “Some days earlier” means “several days before the time I am talking about”