Study Resource: Brazilian Portuguese verbs that change their stem in the present simple
This reference resource presents the conjugations of several Brazilian Portuguese verbs that are irregular in the simple present tense, because their stems change in one or more forms.
Verbs that are only irregular in the 1st person singular
The verbs in the table below undergo a stem change in the first person singular, simple present tense, and will therefore be irregular only in the eu (meaning I) form of the verb.
| Verb | eu (meaning I) | tu (meaning you) | você (meaning you sg.) ele (meaning he, it) ela (meaning she, it) | nós (meaning we) | vós* (meaning you) | vocês (meaning you pl.) eles, elas (meaning they) |
|---|---|---|---|---|---|---|
saber (meaning to know) | sei | sabes | sabe | sabemos | sabeis | sabem |
dormir (meaning to sleep) | durmo | dormes | dorme | dormimos | dormis | dormem |
cobrir (meaning to cover) | cubro | cobres | cobre | cobrimos | cobris | cobrem |
tossir (meaning to cough) | tusso | tosses | tosse | tossimos | tossis | tossem |
discobrir (meaning to discover) | descubro | descobres | descobre | descobrimos | descobris | descobrem |
mentir (meaning to lie) | minto | mentes | mente | mentimos | mentis | mentem |
despir (meaning to strip, to undress) | dispo | despes | despe | despimos | despis | despem |
preferir (meaning to prefer) | prefiro | preferes | prefere | preferimos | preferis | preferem |
repetir (meaning to repeat) | repito | repetes | repete | repetimos | repetis | repetem |
seguir (meaning to follow) | sigo | segues | segue | seguimos | seguis | seguem |
servir (meaning to serve) | sirvo | serves | serve | servimos | servis | servem |
vestir (meaning to dress) | visto | vestes | veste | vestimos | vestis | vestem |
consentir (meaning to consent) | consinto | consentes | consente | consentimos | consentis | consentem |
refletir (meaning to reflect) | reflito | refletes | reflete | refletimos | refletis | refletem |
requerer (meaning to require) | requeiro | requeres | requere | requeremos | requereis | requerem |
parir (meaning to give birth) | pairo | pares | pare | parimos | paris | parem |
poder (meaning can, to be able to) | posso | podes | pode | podemos | podeis | podem |
medir (meaning to measure) | meço | medes | mede | medimos | medis | medem |
ouvir (meaning to listen) | ouço | ouves | ouve | ouvimos | ouvis | ouvem |
pedir (meaning to ask) | peço | pedes | pede | pedimos | pedis | pedem |
perder (meaning to lose) | perco | perdes | perde | perdemos | perdeis | perdem |
valer (meaning to be worth) | valho | vales | vale | valemos | valeis | valem |
Verbs that only have a stem change, but use regular endings
The following verbs have a stem change somewhere in their simple present conjugation, but the endings on the verb are regular.
| Verb | eu (meaning I) | tu (meaning you) | você (meaning you sg.) ele (meaning he, it) ela (meaning she, it) | nós (meaning we) | vós* (meaning you) | vocês (meaning you pl.) eles, elas (meaning they) |
|---|---|---|---|---|---|---|
agredir (meaning to assault) | agrido | agrides | agride | agredimos | agredis | agridem |
subir (meaning to ride up, to climb) | subo | sobes | sobe | subimos | subis | sobem |
Verbs that have stem changes AND irregular endings
The following Brazilian Portuguese verbs are very irregular in the simple present tense, because they both have a stem change somewhere in their conjugation and take some irregular endings.
| Verb | eu (meaning I) | tu (meaning you) | você (meaning you sg.) ele (meaning he, it) ela (meaning she, it) | nós (meaning we) | vós* (meaning you) | vocês (meaning you pl.) eles, elas (meaning they) |
|---|---|---|---|---|---|---|
dar (meaning to give) | dou | dás | dá | damos | dais | dão |
trazer (meaning to bring) | trago | trazes | traz | trazemos | trazeis | trazem |
querer (meaning to want) | quero | queres | quer | queremos | quereis | querem |
dizer (meaning to say) | digo | dizes | diz | dizemos | dizeis | dizem |
fazer (meaning to make, to do) | faço | fazes | faz | fazemos | fazeis | fazem |
ver (meaning to see)** | vejo | vês | vê | vemos | vedes | veem |
vir (meaning to come) | venho | vens | vem | vimos | vindes | vêm |
pôr (meaning to put)*** | ponho | pões | põe | pomos | pondes | põem |
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