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Spanish Verb Analysis

The stats below are derived from a dictionary of around 1,800 Spanish verbs. As it's not a complete list of every verb ever used, the stats are not perfectly accurate. On the other hand, they may more closely represent "every-day Spanish."

Verb Endings

All Spanish verbs end in -ar, -er, or -ir. However, they are not divided equally:

Next time you forget how a verb ends, might as well guess -ar.

Verbs with Identical Stems

Because of the way Spanish verbs are conjugated, if two verbs share identical stems (the bit that remains after removing -ar, -er, or -ir), some of their conjugated forms might be identical.

Does this ever happen in Spanish? Yes, but luckily there are only four verb pairs that share a stem:


asar v. to pester, to roast

asir v. to grasp, to seize, to take root

These would share the regular first person present tense conjugation (aso), but asir is irregular in this tense (asgo).


asentar v. to set up, to place, to seat, to flatten, to sharpen, to set down

asentir v. to agree, to assent

These share the regular first person present tense conjugation: asiento


sentar v. to seat, to establish, to place, to sit

sentir v. to regret, to feel, to sense, to feel sorry

These share the regular first person present tense conjugation: siento


crear v. to create, to set up

creer v. to believe, to think

These share the regular first person present tense conjugation: creo


Notice that every pair includes one -ar verb. If an -er and an -ir verb were to share a stem, they would have identical normal conjugations in around 17 cases.

Luckily that never happens in Spanish.

Verb Prefixes

As in English, sometimes you can add a prefix (like, well, 'pre') to a verb and create another verb. When that happens, the two verbs often have similar (and sometimes identical) meanings. For example, decir means "to tell" and predecir means "to foretell."

Common verb prefixes in Spanish: a-, con-, de-, en-, in-, pre-, re-