Every modal verb is a bit different and not all of them can be used in all tenses. We use "may" for permission, but we can use "can" and its conditional form "could" as well.

When do we use "should" and "could"? At the end of the video, you'll also find a preview of the next 2 videos where modals are used in everyday speech for discussing probability.

Sigrid has lost a couple of important items and is trying to think where they might be. In this part, she has lost her car key. She uses plenty of modal verbs to tell her story, including modal verbs expressing probability.

Now Sigrid has also lost her glasses! In this final part, learn how to use modal verbs to express probability, and find out whether she finds the missing items.

Paul, who has an Australian accent, shares what he's noticed about the differences between the English spoken in England and in the USA.

Richard Williams, better known by his stage name Prince Ea, is an American spoken word artist, poet, rapper, and filmmaker. He formed the "Make 'SMART' Cool" movement in 2009, which is dedicated to promoting the ideals of education, intelligence, unity, and creativity through hip hop.

Rachel gives some helpful tips on sounding more like a native speaker when you introduce yourself in English.

Rachel takes us through different ways of pronouncing the "you" in the phrase "Nice to meet you," and introduces us to a new friend of hers.

Here's how to pronounce a very important noun with an unusual plural!

These three words are so similar, but so different! Check out this lesson, too.

This song teaches about the digit 0, portrayed as a superhero, as well as multiplication by powers of 10. This song was voted the 11th best song on the 30th anniversary edition. Sung and written by Bob Dorough.

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.

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.

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.

This song from Schoolhouse Rock is to help kids understand about bones. Without bones, we're just blobs. It was written by George Newall and sung by Jack Sheldon.