What's the difference between disinformation and misinformation? And what about misleading information? Find out in this video.

Audio and video sources can be factual, and can be used as evidence, but they can both be doctored, too. When we don't have the facts, we might have hearsay, but can we trust it?

Sigrid explains three ways to talk about the future and tells us about some of her new year's resolutions.

Sigrid explains what a limerick is, and how to write one. If you are so inclined, you can submit your limericks in the "comments" section of the video tab.

Sigrid has more fun with limericks, attempting to sing one, and dedicating another limerick to her boss. She offers a final limerick from Edward Lear, the king of limericks. See Part 1 for instructions on how limericks work and how to write one.

The letter "G" often combines with "N" to make a special sound. Sigrid explains how this works.

Sigrid explains what cardinal numbers are and gives us some writing and pronunciation tips.

Ordinal numbers help us put things in order or in a sequence. Sigrid teaches us the suffixes we use to turn cardinal numbers into ordinal ones.

Dates are usually expressed with ordinal numbers. Sometimes, though, what we write is different from what we say.

We have a look inside the story of The Ugly Duckling to see how the verbs work. First on the list is the past continuous tense.

Sigrid looks at the regular and irregular verbs in part one of her rendition of The Ugly Duckling. As you listen, you can pause whenever necessary in order to practice the pronunciation of the conjugated verbs.

In English, we use a lot of phrasal verbs. Let's see how they work using some examples from the story of the Ugly Duckling.

Sometimes it's hard to know how to pronounce the "-ed" ending of a regular verb in the past tense. Here are plenty of examples, taken from the story of the Ugly Duckling.

Let Sigrid tell you about the solar system that resolves around the Sun, including the order and characteristics of the planets within it. What is the closest planet to the Sun? What are the smallest and largest planets?

Many of us have to deal with traffic on a daily basis. Here's how to talk about it in English, include expressions such as "traffic jam," "bumper-to-bumper," and "bottleneck."