Formation of informal commands, regular and irregular forms are addressed with links to interactive practice activities. In addition, the formation of formal commands are explained with a link to interactive practice activities. A couple...

Fantastic review of subjunctive and indicative tenses. Examine the verb in the main clause. Then provide the correct conjugation of the verb given in the subordinate clause, or keep it unchanged in its infinitive form. Type in the...

This is one of the best online resources available for the Spanish teacher and student. This site offers a verb conjugation tool. Enter the verb and click "Conjugate," and everything from the present tense to the subjunctive tense is...

This site from the Indiana University provides a concise but thorough Spanish explanation of conditional clauses in Spanish grammar. Examples in Spanish and English of which tenses to use to express different conditional clauses that use...

This unit focuses on the -ed ending; it offers 15 pages of information and practices about the -ed ending. These explain the uses of the ending including in past tense, perfect tense, certain adjectives, passive voice, and clauses. It...

This is a list of links to 20 irregular verb, 20 conditional tense, 20 prepositions, and 20 idiom exercises/quizzes suitable for both regular and ESL students.

A nice treasure trove of printable grammar worksheets organized by proficiency level: beginner, intermediate, and advanced. Emphasis is on parts of speech but you'll also find some that focus on common spelling issues and vocabulary...

Over 200 short self-quizzes for English learners at beginner and intermediate levels. Quizzes span topics including spelling, grammar, vocabulary, and punctuation.

A large collection of concise explanations of various aspects of English grammar and usage. All topics include exercises that can be done, checked, and corrected online. Solid resource for English language learners at the intermediate...

Quick and easy conjugator from the University of Chicago - type in the verb and see the conjugation - user can choose from the 6 common tenses: Present(default), Simple Past, Future, Conditional, Imperfect, Subjunctive. Must input...

Colby College provides a large collection of exercises on adjectives, adverbs, numbers, prepositions, clauses, study modules, and more.

This site contains multiple vocabulary tests of 100 words each that drill word sets from animals to words of the soul. It also contains grammar quizzes and a personalized test generator.

A helping and modal auxiliary verb site from the Capital Community College. Use this site as a reference tool when learning about modal auxiliary verbs.