napiszesz

Napiszesz is the second-person singular form of the Polish perfective verb napisać, meaning you will write. As a future tense form, it indicates a completed or once-off writing action that will occur at some point in the future. It is used with a subject singular you (ty), and it contrasts with the present tense of pisać (pisz–, "you write") and with phrases built from non-perfective futures like będzisz pisać.

Morphology and usage: napisać is a perfective verb, and its future tense is formed for different persons as napiszesz (2nd person singular), napisz, napiszemy, napiszecie, napiszą, etc. Napiszesz typically accompanies explicit time references or contextual cues about when the writing will take place, e.g., jutro, do piątku, czy kiedyś. It can appear in independent clauses or in subordinate clauses describing future plans or commitments.

Examples:

- Napiszesz list jutro. You will write a letter tomorrow.

- Napiszesz raport do końca tygodnia. You will write the report by the end of the week.

- Zobaczymy, kiedy napiszesz pierwszy rozdział. We’ll see when you write the first chapter.

Relation to other forms: napisz is the 2nd person singular imperative, meaning a command to write. Napisać is the base form (infinitive) from which napiszesz is derived. The imperfective counterpart is pisać, whose future is formed periphrastically (będziesz pisać) rather than by a single finite form like napiszesz.

Etymology: napisać comes from the prefix na- plus the verb pisać (to write), creating a perfective verb indicating completion.