Do you know how to say the colors in English? What is the difference between a primary and secondary color? Learn all about them with Luana.

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?

In this lesson, we'll talk about the weather in the future. One way to express the future is with "going to": "It's going to rain." The second way is with "will": "It will rain." You will hear both in this video, so keep your eyes and ears open!

This time, let's talk about the weather in the past using nouns, verbs, and adjectives. If we use the past tense, we can talk about yesterday, last week, last month, or even last year.

There's more than one way to talk about the weather. In part 1 of this lesson, we talk about it in the present. We use nouns, verbs, and adjectives to describe the weather.

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.

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."

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.

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.

We keep seeing the "Black Lives Matter" slogan all around — what's it all about? Well, it's a long story. Here's part of the story in a nutshell.

What a time to be learning English! Things are happening quickly in the United States and history is being made right now, so don't miss out on the words and expressions you need to know.

Sigrid looks at the comparative and superlative forms of adjectives that have a "Y" or an "E" at the end, and also some that don't follow any pattern at all!

Here's a simple list of common, everyday adjectives in their positive, comparative and superlative forms, divided into groups to facilitate memorization.

Sigrid looks at how the comparative and superlative forms of one- and two-syllable adjectives are created.

Adjectives are an important part of speech. They give us additional information about nouns. Let's look at how they work in English.