This is an irregular verb. It follows the conjugation pattern of the verb pedir.
Stem Change: e i (repito)
Gerund: repitiendo
PresentPresente
La profesora repite las palabras difíciles.
The teacher repeats the difficult words.
PreteritePretérito indefinido
Ayer repetí la pregunta porque nadie escuchaba.
Yesterday I repeated the question because nobody was listening.
Imperfect SubjunctiveImperfecto de subjuntivo
¿Te importaría que repitiera la pregunta?
Would you mind if I repeated the question?
ImperativeImperativo afirmativo
Por favor, repita la frase más despacio.
Please repeat the sentence more slowly.