Questions & Answers about Rzeka płynie do jeziora.
Why is the verb płynie used instead of pływa?
Although both mean to move in water, płynąć (3rd person płynie) indicates directional flow along a path (the river flows toward the lake). pływać (3rd person pływa) describes non-directional or habitual swimming/floating.
What case is jeziora, and why is it used here?
jeziora is the genitive singular form of jezioro. The preposition do (to/toward) always takes the genitive case in Polish.
What person, number, and tense is płynie?
płynie is third person singular present tense of the imperfective verb płynąć, describing the ongoing action of flowing.
What is the grammatical role of rzeka in this sentence, and why does it stay in the form rzeka?
rzeka is the subject of the sentence and appears in the nominative singular. Feminine nouns ending in -a often have the same form in the nominative singular.
What function does the preposition do serve, and why can’t it be replaced with another preposition?