Class I: -e- Verbs (nést, brát)

If the -á- class is the friendly one, the -e- class — traditionally class I — is the one that bites. Its endings are simple enough, but its present stem often looks nothing like the infinitive: you would never guess nesu ("I carry") from nést, or beru ("I take") from brát. This class also contains a large share of the most basic, highest-frequency verbs in the language, so you cannot postpone it. The honest truth is that here you must learn the present tense as a separate fact about each verb, not derive it from the infinitive.

The two model verbs: nést and brát

The class is built on two reference verbs. Nést ("to carry") shows the endings on a stem that at least keeps its consonant; brát ("to take") shows how violently the stem can change.

The signature endings: -u … -ou

The endings that define class I are -u, -eš, -e, -eme, -ete, -ou. Two of them are the class's fingerprints: the first person singular -u (nesu, beru) and the third person plural -ou (nesou, berou). If you hear or see those two, you are almost certainly in class I. Contrast this with the -á- class, whose corresponding endings are -ám and -ají (dělám, dělají). The whole skeleton differs.

There is one refinement to know. Verbs of this class whose present stem ends in a soft consonant (like píš- from psát, or maž- from mazat) have an extra, (literary) first-person singular in -i and third-person plural in -í, used in careful or formal writing: píšu / píši, píšou / píší. The hard-stem nést / brát type has no such variant — only nesu / nesou, beru / berou.

The hard part: the present stem is unpredictable

Here is the central difficulty, stated plainly: in class I you cannot derive the present stem from the infinitive. You take the stem — nes-, ber-, per- — and add the endings above; but which stem belongs to which infinitive is simply a lexical fact you memorise. The safest thing to learn with each new class-I verb is its first person singular, because that one form reveals the whole present tense.

Look at how far the stem can travel from the infinitive. brát → ber- swaps a whole vowel; prát → per- does the same; hnát → žen- changes both the consonant (h → ž) and the vowel; číst → čt- drops the vowel entirely. None of this is guessable. There is no logical shortcut — these alternations are fossils of sound changes a thousand years old, and the only realistic strategy is to memorise the 1sg of each verb as you meet it.

Why this class matters so much

It would be tempting to treat class I as a small box of awkward exceptions and move on. You can't, because the verbs in it are everywhere: brát (take), číst (read), vést (lead), nést (carry), vézt (transport), jít (go, present jdu), moci (can, present můžu) and many more belong here. These are not rare words — they are the bones of everyday speech. Master a handful of their present tenses early and you remove a huge amount of friction later.

Don't read the class off the infinitive ending

A final warning that ties back to the -á- class. The infinitive ending tells you almost nothing about which present class a verb belongs to. dělat and brát both end in -at, yet dělat is class V (dělám) and brát is class I (beru). The ending -st is no more reliable: číst is class I (čtu), but plenty of verbs in other classes share endings too. The infinitive is a poor predictor; the 1sg is the truth.

Common Mistakes

Key Takeaways

• Class I (the -e- class) takes the endings -u, -eš, -e, -eme, -ete, -ou — fingerprinted by -u (1sg) and -ou (3pl).
• Its present stem is unpredictable from the infinitive: nést → nes-, brát → ber-, prát → per-, hnát → žen-, číst → čt-.
• Learn each verb's 1sg by heart; it reveals the whole present tense.
• Soft-stem members (psát, mazat) add a (literary) 1sg -i / 3pl -í (píši, píší); the nést/brát type does not.
• The class holds many core verbs (brát, číst, vést, nést, vézt), so it is worth the effort early.