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."

When we talk about traffic, it's not only about cars and trucks. We can talk about people on bicycles or on foot, too. They have some special rules to follow, especially in the city.

Sigrid shares what she has learned about having a swimming pool. As it turns out, having a pool is a lot of fun, but also quite a lot of work.

There are various things we need to do to keep the pool clean and the water circulating. Sigrid describes some of them. It's quite a lot of work, but she thinks that having a pool is still worth it.

In the first of three related lessons, we talk about the important and common word "point" as a noun in its most concrete form. We use "point" to talk about measurements, maps, numbers, and more.

In this lesson, we talk about the word "point" in its figurative sense, and as part of the phrasal noun, "point of view." In addition, we talk about verb, adjective, and adverbial forms.

In this lesson, we learn about the word "tip" and then we look at how it combines with "point" in the noun "the tipping point."