Most common verbs: the first fifteen.
The most common verbs, verbs appearing most frequently in Spanish texts are:

ser - to be
estar - to be (difference Verbs ser and estar )
tener - to have - tener una casa - to have a house
haber - to have - it creates perfect tenses: haber amado - to have loved
decir - to say
hacer - to do, to make
poder - can, to be able to
saber - to know
querer - to want
ir - to go
ver - to see
dar - to give
pasar - to pass, to spend
llegar - to arrive, to come
hablar - to speak (about something)



Ser, haber, ir, estar are very irregular. Their forms in present tense are listed in full here: Presente .
The following verbs change vowels in the present tense : tener, querer, decir, poder. Their third person is tiene (e: ie), quiere, dice (e: i), puede (o: ue). The first person is tengo, quiero, digo, puedo.
The following verbs have irregular first person of present tense : tener, decir, hacer, saber, dar, ver (tener> tengo, decir> digo, hacer> hago, saber> sé, dar> doy, ver> veo).
By contrast, pasar, llegar and hablar are completely regular.

Main verbal forms of these verbs: