Enthusiastic grammarians and singers won't be able to stop tapping their toes to this upbeat music video featuring plural nouns. Learners discover through basic example sentences and hand-drawn animation how adding an s makes a...

Give your noun instruction a boost, with an in-depth presentation into singular, plural, and possessive nouns. First, enthusiastic grammarians learn about each noun in detail; then, take part in an interactive pop quiz, and end the...

One of the most straightforward rules of the English language is to add an s to make a word plural, except for a few irregular words. However, English wasn't always like this. Watch a narrated, animated video that explains the history of...

Look at ownership (possession) with Yossarian the Grammarian regarding apostrophes. Singular and plural nouns are covered.

Introduce your language arts class to their new favorite song with a video about pronouns. Hip, informative, and very catchy, the song demonstrates several different ways to replace nouns with pronouns. 

A good beat, appealing graphics, and informative lyrics make up a video demonstrating when to use the words like or likes. 

Enhance your simple past tense verb instruction with this video that clearly demonstrates when to use I was and you were through song and engaging graphics.

Can you identify one of the most difficult words to translate? You will undoubtably be surprised by the answer. The answer is you! A short video explains why you were probably not able to guess you.

It's tricky but it's essential. It's the apostrophe, of course. And this video is all about its usage.

Cephalopods, including squid, use their color-changing skin for both camouflage and communication. A video explains how squid camouflage themselves in the open ocean with nothing else around. It shows how they mimic the interplay of...

Following his video on black holes, a video on supermassive black holes explains what happens when a supermassive stellar object collapses. The video primarily explores the reasons we don't see intermediate black holes, as they can be...

In need of clarification on the last Khan Academy video on supernova? A short video explains that while humans observed the event that became the Crab Nebula 1,000 years ago, the actual event occurred 7,500 years ago.

What is the difference between singular and plural nouns? How can I make a noun plural? These questions are answered in this video by Khan Academy. The focus is on regular plural nouns with only a brief mention of irregular plural nouns.

Some nouns look the same whether they're singular or plural - these nouns are called 'base plurals', and we'll demonstrate how they behave the only way I know how... by using sheep!

You don't need to know how to speak Latin and Greek in order to understand English, but some words in English come from those languages. It's helpful to know how some Greek and Latin words change from singular to plural.

This Skillswise site focuses on plurals. Included are a video about why learning how to make words plural is important, fact sheets and worksheets for instruction, quizzes on the information presented, and games to practice the skill....

English has seven words that behave very strangely when you change them from the singular to the plural. These are called THE MUTANT PLURALS of English. They're super cool.

The plural of 'dog' is 'dogs', but what is the plural of 'leaf'? Khan Academy's resident grammarian explains.

The plural of 'whale' is 'whales', but what's the plural of 'child'? David, Khan Academy's resident grammarian, explains.

There is *one* extremely rare case in which we use apostrophes to make things plural. David and Paige, KA's resident grammarians, discuss this unusual case.

This TurtleDiary video lesson [11:03] is designed for students to explore singular and plural nouns. Practice exercises, a video, and a lesson are included to supplement this singular and plural nouns lesson.

Learn the difference between singular and plural nouns.

Watch this video to learn how to use plural possessives correctly. [1:18]

This lesson goes over singular words that are often misused as plurals. It is 2 of 2 in the series titled "Plurals often treated as Singular."