The verbs in this group all

- look like -ir verbs, without behaving like them (compare to regular -ir verbs)
- have a consonant at the end of the stem which gets dropped in the singular

dormir is conjugated as follows:

dormir
je dors nous dormons
tu dors vous dormez
elle, il, on dort elles, ils dorment

In the singular, the 's' and 't' are not pronounced, so the singular forms are pronounced the same.
In the third-person plural, the 'ent' is not pronounced, but the 'm' is.

Click on a verb form to hear the pronounciation.

sortir is conjugated as follows:

sortir
je sors nous sortons
tu sors vous sortez
elle, il, on sort elles, ils sortent

In the singular, the 's' and 't' are not pronounced, so the singular forms are pronounced the same.
In the third-person plural, the 'ent' is not pronounced, but the 't' is.

Click on a verb form to hear the pronounciation.

servir is conjugated as follows:

servir
je sers   nous servons
tu sers vous servez
elle, il, on sert elles, ils servent

In the singular, the 's' and 't' are not pronounced, so the singular forms are pronounced the same.
In the third-person plural, the 'ent' is not pronounced, but the 'v' is.

Click on a verb form to hear the pronounciation.

Also in this group is 'mentir' (to lie).

Servez-vous, servez-vous !

Est-ce que tu sors avec quelqu'un en ce moment ?

Je ne dors que 4 heures chaque nuit pendant la semaine. Mon frère ne dort que 6 heures. Le week-end, nous dormons jusqu'à midi.

Le soir, quand mes parents sortent, j'invite des amis chez moi.

À quoi ça sert, l'amour ?

Ma soeur est très forte en tennis. Elle se sert bien de sa main droite.

-er verbs / -ir verbs / -re verbs
être / avoir / faire / aller / prendre / connaître
venir, tenir / pouvoir, vouloir / savoir, devoir / dormir, sortir, servir
lire, dire, écrire / voir, croire