This video clearly presents some fundamental differences between American English, British English, and Australian English in terms of spelling, pronunciation, and vocabulary.

This video explains in detail the easy procedure teachers need to follow in order to organize their students into classes.

Robby, Kevin and Jesse have found a few great spots to kite along the west coast. Watch for some amazing scenery and kite-boarding skills.

We get a behind-the-scenes look at the kiteboarder's trip down the coast of California, where they are recharging their batteries and taking advantage of new surroundings.

"Just Give Me a Reason" is a song recorded by American singer and songwriter Pink, featuring Nate Ruess of the band Fun. It is a pop ballad about the desire to hold on to a relationship even when it appears to be breaking down.

"High Hopes" is a single from Panic! at the Disco's sixth studio album Pray for the Wicked. Its hopeful message is expressed with crisp, soaring vocals and a punchy horn section.

Here's a quick summary of the different kinds of words we have in the English language and what they are used for.

Nouns are usually the first words we learn. The good news is that with nouns, we don't have to worry about gender in English. We do, however, have to be aware of gerunds that act like nouns but look like verbs, and countable or uncountable nouns.

Sigrid reviews the subject pronouns "I," "you," "he," "she," "it," "we," "you," and "they."

Sigrid reviews the object pronouns: "me," "you," "him," "her," "it," "us," "you," and "them."

Sigrid talks about the difference between possessive nouns and other possessive words such as possessive determiners or articles like "my" and "your."

Sigrid takes us through the different persons using dependent possessive pronouns, also called possessive adjectives or possessive determiners. These little words are important when talking about names, your possessions, family and friends, characteristics, jobs, favorite things and just about everything else.

True possessive pronouns can stand alone. They replace both the noun and its possessive adjective or determiner. These pronouns are very handy in introductions and conversations about favorites.

"One" and "ones" can replace nouns, but are not pronouns. They are prop words. Let's look at how they are used.

Here are some words to help answer the question "Which one?" We distinguish between singular and plural as well as between something close to us and far away.