This illustrated and animated site is specifically designed for English language learners whose first language is Arabic. Ask-and-Answer online quizzes and games help students understand various aspects of English grammar and vocabulary,...

This site is a selection of grammar exercises designed for intermediate-to-advanced English language learners. Quizzes test understanding of verb tenses, articles, conjunctions, prepositions, relative clauses, and more. [Site uses...

This site contains information regarding the correct usage of parentheses in original material and in quoted material. Examples are included for all points discussed.

Do you know when to use "criteria" and when to use "criterion?" What about "media" and "medium?" The correct singular and plural usage of these words can cause confusion. This site gives a good explanation of how to use these words...

This University College London site explains how to tell whether a word in the adjective position is an adjective or part of the noun. Includes follow-up exercise.

These tests developed for English language learners by ELL teachers feature self-scoring quizzes that emphasize word choice, word usage, punctuation, and similar aspects related to the mechanics of language.

Site provides links to a wide variety of reference tools, including encyclopedias, dictionary, thesaurus, quotation books, and guides to English usage. L.11-12.1b Usage issues

The Survey of English Usage provides explanations and examples for the subject and the predicate.

This Grammarly Handbook resource clarifies the difference in usage between "bad" and "badly" in sentences. Numerous examples are provided in this resource.

This lesson focuses on finding and fixing grammar errors in your writing. It includes strategies for locating errors such as reading your paper aloud to see if your are missing words. It also provides practice with subject-verb agreement...

This Grammarly Handbook resource clarifies the difference in usage between "good" and "well" in sentences. Numerous examples are provided in this resource.

This University College London site provides an advanced grammar lesson on adjectives (attributive, postpositive, and predicate adjectives), and includes a short exercise to test your knowledge.

Do you have trouble knowing when to use "like" and when to use "as?" This is a common mistake, so understanding the difference will help you in writing correctly. This site will give you the usage rules as well as a self-test.

On the SAT Writing & Language Test, you will encounter questions that will ask you to interact with and revise passages in different ways. Standard English Conventions questions ask you to make sentences consistent with standard...

Be sure you know what you are saying when using the words "here" and "there" at the beginning of a sentence. These grammar tips explain how you need to pay attention to the subject of your sentence in order to use the correct verb form....

The first part of this site provides information and examples for the correct usage of the colon and the semicolon. The second part is an exercise. Click on "semi-colon" of "colon" to correctly punctuate the sentence. Then click on...

An interactive test for eleventh-grade students which provides ten multiple-choice questions and answers for student improvement and support. Good for any student looking to improve English usage and mechanical skills.

The Writing Center at Rensselaer Polytechnic Institute provides this detailed handout, with exercises included, to help non-native speakers of English sort out the proper use of articles. The site includes study and learning hints,...

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

A fantastic site for teaching Spanish-speaking English language learners about the present tense. Includes a variety of interactive exercises to reinforce proper usage. Instructions are in Spanish, and there is a "Teacher's Lounge" area...

The rule for when to use "between" or "among" is very simple. This tutorial explains the use of each word clearly and ends with a brief quiz to check your understanding.

This index provides links to educational resources on various English topics. Some topics included are related to punctuation, parts of speech, usage, different types of writing, and analytical questions for various genres of literature.

Learn something about the conjugation of verbs and transitive and intransitive verbs in this discussion about the meaning of "sit" and "set." This tutorial will teach you how to use these words correctly. A brief quiz checks your...

Excellent introductory lesson to the regular conjugations of the imperfect tense and the main rules that govern its usage. Examples in Spanish and English illustrate specific rules. A quiz at the end of the lesson tests the student's...