The present tense (the present indicative) is formed depending on the verb endings ~ar verbs, ~er verbs and ~ir verbs. Follow these examples to understand the patterns.
falar
to speak, talk
eufalo
você, elefala
nósfalamos
vocês, elesfalam
entender
to understand
euentendo
você, eleentende
nósentendemos
vocês, elesentendem
partir
to leave, depart
euparto
você, eleparte
nóspartimos
vocês, elespartem
The most common irregulars are: ser, estar, ter, ir
Other common irregulars include: fazer, dizer, poder, querer, saber, ver, trazer