Questions & Answers about Ja idę sam do domu.
Is the subject pronoun ja necessary in Ja idę sam do domu, or can it be dropped?
In Polish, verbs are inflected for person, so ja is not required grammatically. You can simply say Idę sam do domu. Including ja adds emphasis or contrast (e.g., I personally am going home alone).
What does sam mean in this sentence?
Sam functions like alone or by myself, indicating that the speaker goes home without anyone else.
Why is sam in the masculine form, and how would a female speaker say this?
Adjectives like sam agree in gender, number, and case with the noun or pronoun they modify. A female speaker would say Ja idę sama do domu, using the feminine singular sama.
What case is domu, and why is that case used after do?
Domu is in the genitive case because the preposition do (to, towards) always takes the genitive in Polish.
What is the form idę, and what tense and aspect does it express?