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....

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...

In this tutorial you will find common usage mistakes and detailed explanations of why they are wrong, along with ways to correct them. Learn why you shouldn't say "can't hardly" or "could care less." A brief quiz checks your understanding.

To understand the correct usage of "I" and "me," you need to learn about the subjective and objective case of pronouns. This tutorial does a great job explaining that and giving good examples for you to follow. A brief quiz checks your...

Are you confused about how to express separate or joint ownership? This tutorial offers examples and explanations about which constructions are correct. A brief quiz checks your understanding.

In this tutorial leson, students will find a list of reflexive pronouns, examples of them in context, and explanations of when to use them. A short quiz is provided at the end of the lesson.

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...

Read this tutorial to find out about ending sentences with prepositions, how to correct the problem, and times when it seems that sentences end in prepostions, but that really isn't the case. (Hint--when using a phrasal verb.)

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.

If you've ever wondered about whether you should choose "bring" or "take" in a sentence, this tutorial will answer all your questions. There is a brief quiz at the end to check your understanding.

Learn the difference between "lie" and "lay" in this tutorial. You'll also find out about transitive and intransitive verbs, so you'll be able to think through which form of "lie" or "lay" to use. A brief quiz checks your understanding.

Knowing the right language for your particular audience is a necessary skill for all writers. No one wants to offend their audience or appear as though they don't know their content. Learn these rules of thumb to become more familiar...

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.

Not only does this tutorial give you instructionon the correct usage of "bad" and "badly," it also gives a general review of the role of adjectives and adverbs. After reading through the examples, there is a brief quiz to check your...

You'll find several examples in this tutorial of the correct singular verb form to be used with singular indefinite pronouns such as "everyone" and "either." A short quiz checks your understanding.

Rather than lists of rules, this site provides practical advice on the use of commas, semicolons, dashes, hyphens, abbreviations, acronyms, split infinitives, "this," "that," italics, and underlining. CCSS.ELA-Literacy.CCRA.L.2

Read a tutorial about coordinating conjuctions and when they can be used to begin sentences.

"Effect" and "affect" are tricky words to keep straight. Each can be used as a noun or a verb, depending on the meaning of the sentence. This tutorial gives clear examples and explanations on the use of these two words. A brief quiz...

Test your knowledge on subject-verb agreement with this quiz from Khan Academy. Stuck on a tricky problem? Watch a video or use a hint to find out the answer!

Test your knowledge on pronoun-antecedent agreement with this Khan Academy quiz. If you encounter a tricky problem, watch a video or request a hint!

A seven-question quiz in which students choose the sentence with no errors.