Here is British-Irish pop boy band One Direction and their song "Drag Me Down" from their fifth studio album.

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.

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.

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.

Sigrid explains the meaning of "prop" as both a noun and a verb. Either one can come in handy.

Some and any both refer to an unspecified quantity, but they are used in different situations. Sigrid explains how they work.

In this video, Sigrid looks at certain kinds of questions in which it is correct to use "some," the dreaded double negative, and negative statements that can be expressed in two different ways.

Sigrid, here as Rita and Kathy, has fun practicing the 5 question words ("who," "what," "where," "when," and "why") on a train. She makes quite a nuisance of herself, too. More about the 5 W's in: Parts of Speech: Question Words - Part 1 of 3.

There's one more important question word to learn: "how." Sigrid provides plenty of examples of questions with "how," both by itself and together with an adjective or adverb.

Sigrid packs her carry-on bag for the flight to Paris. She talks about what she needs to pack, and why.