Build your students’ past-tense fluency with the Preterite Tense Grammar and Practice Workbook from 21 Bridges Languages. This comprehensive unit helps learners master both regular and irregular preterite verbs, including those with -AR, -ER, and -IR endings, as well as advanced stem-changing and spelling-change patterns. Students begin with clear explanations of grammar and conjugation charts, then apply their skills through guided practice, matching activities, fill-in-the-blank exercises,