This site is an introductory lesson to the preterite and imperfect past tenses. The regular conjugations of each are presented, with brief general rules for their use. This is a great introduction without getting bogged down in all the...

This site is an introduction to verbs that change meaning according to which past tense is applied, preterite or imperfect. Examples in English and Spanish illustrate the change of meaning. A quiz at the end of the lesson tests the...

This tutorial begins with a slide show which defines nominalizations; gives examples of adjectives and adverbs changed into nouns, gerunds, and infinitives. Practice with simplifying nominalizations is provided. It also offers a YouTube...