We use question words plus words like "some" and "any" to form new indefinite words, such as "sometime," "sometimes," and "anytime." This video is about question words "who," "what," and "when."

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

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, 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.

Austin and Luana give us some tips about words and phrases you can use when you're on a date. Stock Footage courtesy of: Videvo.cin, Pixabay.com, and Videezy.com

Rachel Weisz teaches Emma Stone an array of useful British slang words and phrases, while Stone supplies some American equivalents. This Vanity Fair video was made while the two stars were filming the film “The Favourite.”

Annette offers an array of ways to greet people, from sunup to bedtime. Ways of greeting people vary from place to place, but Annette provides one general rule — greetings must be cheerful and friendly.

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.

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

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

In American schools, it's common for kids to have to learn the Preamble to the United States Constitution by heart. This song, from Schoolhouse Rock, is meant to give these kids a hand, even though it is a slightly abridged version.

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.

This song was written and sung by Bob Dorough. It teaches about the multiplication of 5 through a game of hide and seek, in which the seeker counts by fives.

Bob Dorough wrote and sang this song about the number "three," as a fun way for kids to learn their multiplication tables. It became the pilot episode for Multiplication Rock, the first season of the Schoolhouse Rock TV series.

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.