Perica is back - this time in the classroom, and he has a perfectly reasonable grievance about his test result. His teacher agrees with him completely, which somehow only makes things worse. It is a beautifully compact little vignette that happens to pack several very useful Serbian structures into two short lines.

What I love about this joke for learners is that the punchline hinges on a grammatical idea - negation and comparison - that you actually need in real Serbian conversations. So you get a laugh and a grammar lesson in one go, which feels like an excellent deal.

The Joke

Serbian original:

Perica: "Učiteljice, nisam zaslužio da mi date keca na kontrolnom zadatku!"
Učiteljica: "U pravu si, ali manje nisam mogla da ti dam!"

English translation:

Perica: "Miss, I haven't deserved to be given a fail on the test!"
Teacher: "You are right, but I couldn't give you less!"

Key Vocabulary

Serbian English Note
učiteljica teacher (female) uciteljice = vocative form
zaslužiti da to deserve to nisam zaslužio = I haven't deserved
mi (meni) to me dative of ja
dati to give date = you give (formal/pl.)
kec a "one" - failing grade (slang) Serbian grading: 1 = fail, 5 = best
na kontrolnom zadatku on the test locative phrase
u pravu si you are right very common spoken phrase
ali but conjunction
manje less comparative of malo
moći to be able to / can nisam mogla = I couldn't (fem.)

Grammar Drill - Negative of ZASLUŽITI (to deserve)

The negative past in Serbian works by placing the negative auxiliary (nisam, nisi, nije...) before the past participle. The participle itself changes to match the subject's gender. Here is the pattern - fill in the missing negative forms in the right-hand column:

Affirmative Negative - write it in
Zaslužio sam (I deserved - masc.) nisam zaslužio ___
Zaslužila sam (I deserved - fem.) nisam zasluzila ___
Zaslužio si (you deserved - masc.) nisi ___
Zaslužila si (you deserved - fem.) nisi ___
Zaslužio je (he deserved) nije ___
Zaslužila je (she deserved) nije ___
Zaslužili smo (we deserved) nismo ___
Zaslužili su (they deserved) nisu ___

The pattern is beautifully consistent: negative auxiliary + past participle. Once you have run through this table for zaslužiti, the same logic applies to almost every other verb you will encounter.

Audio Note

The original version of this lesson included an audio clip so you could hear the joke read aloud at natural speed - always a valuable step, because Serbian pronunciation rewards early listening. If you have access to a native speaker or a Serbian text-to-speech tool, read the two lines of the joke into it, then play it back and listen for the rhythm of nisam zaslužio and nisam mogla. Hearing the negative auxiliary sit naturally before the participle will make the grammar feel far more intuitive than reading it on a page alone.

Frequently Asked Questions

What does "kec" mean exactly?
It is a colloquial word for the grade "1" in the Serbian school grading system, which runs from 1 (failing) to 5 (excellent). Calling a fail a kec is a little like calling it a "duck egg" in English - it is informal and slightly rueful. You will hear it and its companions dvojka (2), trojka (3), and petica (5) in any school conversation.
Is "nisam zaslužio" the same for a woman?
No - and that is exactly why the drill above separates the forms. A woman would say nisam zasluzila. The past participle agrees with the subject's gender and number, which is different from English but becomes very natural with a little practice.
Where do the negative auxiliaries (nisam, nisi, nije...) come from?
They are the negative forms of the verb biti (to be), which doubles as an auxiliary for past tense. So nisam is literally "I am not," and combined with the past participle it becomes "I have not [done]." Once you see that connection, the whole negative past system feels much more logical and far less arbitrary.

Poor Perica - always right, always stuck with the worst outcome. But thanks to him you now have the negative past tense in your toolkit, along with a classroom phrase you will absolutely recognise the next time you hear it. I am Marina Petrovic, and I genuinely believe that a joke lands these structures in your long-term memory faster than any workbook drill. For more verb patterns and negative conjugations to practise, visit the Serbian conjugations hub - there is a whole range of exercises waiting for you there.