Study Languages
Study Spanish: Subjunctive: Spelling Changes
Fantastic explanation of spelling changes in the Spanish language and their effect upon conjugations in the present subjunctive. Verb infinitives that end in -car, -gar, and -zar are among those that are considered. A quiz at the end of...
Colby College
Spanish Language & Culture: Preterites Irregular Meanings
Practice using verbs that change their meaning in the preterite tense: conocer, saber, querer, tener, and poder. Complete translations from English to Spanish by choosing the correct form of a verb in the preterite or imperfect. Answers...
Other
Bowdoin College: Spanish Tools Grammar Online Book: Spanish Stem Changing Verbs
Review stem-changing verbs such as pedir or dormir. Provides the present tense forms as well as the gerund, subjunctive, past subjunctive and the preterite. Also provides a list of similar verbs. Excellent review and resource.