PBS
Pbs Learning Media: When to Use the Past Tense for Irregular Verbs
Often when we write the past tense of a regular verb, we add an "-ed" after the last letter. Irregular verbs do not follow this rule! The simple past and simple participle of irregular verbs can end in a variety of ways with no...
Online Writing Lab at Purdue University
Purdue University Owl: Irregular Verbs
Here is a list of common irregular verbs showing the present, preterit, and past participle. Includes charts for rise vs. raise, sit vs. set, lie vs. lay, which will help prevent misusing these verbs.
Language Guide
Language Guide: El Participio Pasado
This grammar tutorial explains the formation of the past participle for ar/er/ir verbs as well as some irregular forms. A couple of examples are given to show the formation of the present perfect.
Capital Community College Foundation
Guide to Grammar and Writing: Irregular Verbs Crossword Puzzle
Online crossword from the Capital Community College that reviews simple past tense and past participles of irregular verbs. Options for seeing hints and doing over the incorrect answers.
Other
Jefferson County School Dist.: Irregular & Helping Verbs
This site has an online slide show offers a drill on forming irregular verbs. One slide of 63 includes information on helping verbs. Last slide has links to some online practice for irregular verbs.
Capital Community College Foundation
Guide to Grammar and Writing: Irregular Verbs
An extensive look at verbs in all their various forms and uses. A very valuable and easy to understand resource with many examples.
Grammarly
Grammarly Blog: Verb Forms
This page explains the five forms of verbs: root, third-person singular,present participle, past, and past participle and provides examples of each.
Road to Grammar
Road to Grammar: Verb Forms
This interactive provides the base words of irregular verbs and asks students to type the past and past participle tenses of them in boxes.
University of Texas at Austin
University of Texas: Francais Interactif
This full-featured interactive textbook encounter utilizes French speakers in real life scenarios. Well structured for work on grammatical concepts (links to Tex's French Grammar), vocabulary, listening comprehension and exposure to...
University of Texas at Austin
Tex's French Grammar: Passe Compose vs. L'imparfait
This site from Tex's French Grammar provides a very clear and concise explanation of the proper formation and usage of the passe compose and l'imparfait. Lists common verbs and adverbs associated with either of the tenses. Provides good...