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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.
Language Guide
Language Guide: El Pasado, El Futuro, El Condicional
The past tense, the future tense and the conditional tense are modeled and explained with links to interactive practice activities where students can see and hear the verb conjugations.
Indiana University
Juan M. Soto: Reglas Preterite and Imperfect
Concise, but thorough English explanation of the preterite and imperfect tenses in Spanish grammar. Great review for advanced students or teachers who want a quick review. Links are also available to interactive exercises and sheets that...
Language Guide
Language Guide: Preterite
This verb conjugation site is a great review of the formation of the forms of the regular preterite forms as well as those with spelling changes, stem-changes, and irregular forms. All sections have links to verb conjugation practice.
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Preterit/imperfect: Un Viaje Inolvidable
A concise grammar review of the differences between the preterite and imperfect tenses in Spanish. The grammar review is followed by an interactive practice activity.
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Preterito Imperfecto
A detailed look at the conditions of when to use the preterite versus the imperfect. Outstanding explanations, even though some may prove too detailed for many high school students. Excellent examples compare the use of the preterite and...