The letter "R" is difficult to pronounce for lots of people, even native speakers. Sigrid shows us how "R" sounds in different kinds of words.

Annette sharpens her skydiving skills in a vertical wind tunnel in Slovakia. The wind reaches a speed of 180 kilometers per hour (112 mph).

Sigrid gives a quick explanation of what Yabla is and how the Yabla player works.

The consonant "Q" is a special letter. We almost never find it without a "U" following it. Sigrid gives us plenty of examples of how it's used.

Sigrid talks about some of the important aspects of the Christmas season: light, scents, food, and good company.

Most of the time "P" is simply pronounced like a "P," but there are a few cases in which "P" is silent. Sigrid gives us plenty of examples of handy words with "P."

Annette explains three more colloquial contractions people use in everyday conversation: gotta [got to], gotcha [got you], and dunno [don't know]. She also gives us examples in context.

The letter "O" is a tricky vowel, because there are several ways to pronounce it, both when it's single and when it's double!

Like the letter "M," "N" is almost singable. Sigrid gives you some tips about some very important words containing the letter "N."

Sigrid talks about some important words starting with "M" and gives us some tips about using many and much with countable and uncountable nouns.

Sigrid talks about a different way to say "OK," which involves the letter "L." Not everyone pronounces "L" the same way, and it can be hard to understand sometimes.

A live performance, by The Navvies, of a traditional Irish song about North men and South men being on the same road, and carrying the same burdens.

Sigrid introduces the letter "L" and gives us lots of examples of how it is used in words. The tricky thing is knowing when the "L" is silent.

The letter K is easy to pronounce, but there's an important exception when it's combined with one other letter in particular. Can you guess which?

Watch this video featuring Alexander Pointer to learn the many ways of greeting people in English.