Conjugating Regular
Verbs

Verbs in Portuguese end in -ar, -er or -ir.  Before a verb is conjugated,
it is called the infinitive.  Removing the last two letters gives you the
stem of the verb (cantar is to sing, cant- is the stem.)  To
conjugate regular verbs in the present tense, add these endings to the stems:

-ar			-er			-ir
o	amos		o	emos		o	imos
a	am		e	em		e	em

Remember that verbs do not require the subject pronouns, so just
canto means I sing.  Here are some more regular verbs:

-ar verbs			-er verbs			-ir verbs
dançar	to dance		aprender	to learn		convir	to convey
desejar	to want		comer	to eat		partir	to leave
escutar	to listen		correr	to run		compartir	to share
estudar	to study		ler	to read		imprimir	to print
falar	to speak		vender	to sell
praticar	to practice		beber	to drink
tomar	to take		compreender	to understand
viajar	to travel

To make sentences negative, simply put não in front of
the verb.

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This article was used with permission from:
Indo-European Languages