Free Tests You May Use

26 Common Writing Errors

This sentence is incorrect: "The jury was at odds over the verdict." Do you know why?

You may take the free quiz of the writing problems business people commonly display. The quiz is a teaching tool you may use freely. If you are a manager, you may use it with your employees.

For each item, you or your employees choose the sentence you believe is written correctly. After you select sentences for all of the items, your score will appear, along with an explanation of the rule for each item. Some of them will surprise you.

Link to the test

Commonly Misspelled Words

Do you write "accomodate" or "accommodate"? "Deductable" or "deductible"? "Occurrance" or "occurrence"? Sometimes "acknowledgment" is correct and sometimes "acknowledgement" is correct. Do you know when each is correct?

You may take the free quiz of the 25 most commonly misspelled words. Use the quiz freely.

After you select spellings for all of the words, your score will appear, along with the correct choices.

Link to the test

Correct Comma Usage

A sample lesson the Center uses in our grammar courses is available for you or your employees to use. It includes a pre-test on commas to let you know your current level of knowledge and an interactive lesson on commas. After you read the lesson, you may take the post-test to see how much you've improved your skills.

Link to the commas lesson

Confusing Word Pairs

When do you use "affect" and when "effect"? When "between" and when "among"? How about "comprised" and "composed"? Why is this sign you commonly see at checkouts wrong: "20 items or less."

You may take the free quiz of the most commonly confused word pairs. Use the quiz freely.

For each item, choose the word you believe is correct for the sentence. After you select words for all of the sentences, your score will appear, along with the correct choices.

Link to the confusing word pairs test

Grammar Index

You and your staff may freely use this searchable reference to usage and style rules. It includes rules for correct grammar, punctuation, spelling, style, and sentence structure.

Link to the index

Active-Passive Voice

Business writing is full of passive voice, in which the writer doesn't specify the actor or puts the actor after the action. That makes weak sentences and can cause confusion. Write sentences in active voice, in which you state the actor before the action.

This test of your knowledge of active and passive voice sentences will help you learn about your ability to write in the active voice. A short training session will help you learn how to change passive voice sentences to active voice.

Link to the active-passive voice test