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B1-ir verbirregularstem change e → ie

sentir

To feel — and, in one fixed phrase, to apologise.

Quick answer

sentir · siento, sientes, siente, sentimos, sentís, sienten

to feel, to be sorry. Irregular — the forms below are worth learning as a block.

Conjugation

PersonPresentPreteriteImperfectFuture
yosientosentísentíasentiré
túsientessentistesentíassentirás
él / ella / ustedsientesintiósentíasentirá
nosotrossentimossentimossentíamossentiremos
vosotrossentíssentisteissentíaissentiréis
ellos / ustedessientensintieronsentíansentirán

Orange marks a form you cannot guess from the rules.

Non-finiteForm
gerundsintiendo
past participlesentido
imperative (tú)siente
subjunctive (yo)sienta

Which form to learn first

lo siento. It is the apology you will use every single day.

Where you will actually use it

Lo siento.I am sorry — literally “I feel it”.
Me siento mal.I feel unwell — sentirse for how you are.
Siento frío.I feel cold.
Siento molestar.Sorry to bother you.
Se sintió sola.She felt lonely.
Lo siento mucho.I am very sorry.

Typical mistakes

Soy lo siento.

Lo siento.

It is already a full sentence — no ser, no pronoun in front.

Siento mal.

Me siento mal.

How you feel takes the reflexive: me siento, te sientes, se siente.

Sentió el niño la música.

Sintió…

In the preterite the él and ellos forms switch e to i: sintió, sintieron.

Check yourself

Ella ___ mucho frío anoche.

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