Present tense and regular preterit infinitives conjugation practice

For each infinitive, write the appropriate present tense and preterit tense conjugation. For present tense infinitives, make stem changes where needed.

*Students will conjugate 30 infinitives (10 -ar, 10- er, 10 -ir) in the present and preterit tenses.

*The present and preterit tense verb endings are listed next to each subject.

Answer key is included on pages 3-4.