a / an vs the
A1a / an = any one · the = the specific one„a/an” for something unspecified or first mentioned; „the” when both sides know which one.
Examples
Common mistakeShe is teacher.→She is a teacher.
A job or a singular countable noun needs an article: „a teacher”. Polish has no articles, so it's easy to drop.
No article for general meaning: uncountable and plural nouns, and most proper names.
Examples
I love music.
PLUwielbiam muzykę.Dogs are loyal.
PLPsy są wierne.
the — unique things & superlatives
A2the + one-of-a-kind / superlative„The” with one-of-a-kind things (the sun, the internet) and with superlatives.
Examples
Articles with names
B1the Alps / the USA · but France, LondonNo article: countries, cities, streets. „The”: plural names, rivers, seas and mountain ranges.
Examples
She lives in France.
PLMieszka we Francji.We flew over the Alps.
PLPrzelecieliśmy nad Alpami.mountain ranges → the
a / an in fixed phrases
A2what a… · twice a week · have a lookMany set phrases use „a/an” — including frequency expressions („once a…”) and exclamations.
Examples
What a day!
PLCo za dzień!Twice a week.
PLDwa razy w tygodniu.Let's have a look.
PLRzućmy okiem.