The senses of sight, hearing, touch, taste, and smell are essential in experiencing the world around us. Let's consider them one by one and learn how to use them in conversation. We start with "sight" and "hearing."

This segment is about the sense of smell and the sense of taste. When it comes to the five senses, every language seems to have some quirks, and English is no exception. For example, we use the same verb — "to smell" — to talk about perceiving an odor ("I smell the lemon") and giving off an odor ("The lemon smells delicious").

What is the passive voice all about? Sigrid takes us through the basics, step by step. In the active voice, we focus on "who" does something and in the passive voice we focus on "what" someone does.

For so many of us, life has changed radically. We've had to learn new habits because of the coronavirus pandemic. Here are some of the changes we are having to make.

Everyone should stay home as much as possible to keep the coronavirus from spreading, but sometimes we have to go out for essential errands. What are some items to have on hand when we go out? Sigrid talks about five of them.

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.

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.

Sigrid describes an object and gives you about 4 seconds to come up with the name of the object. Then she gives you the answer. Watch the video twice to see if you can come up with the answer on your own.

Are you ready to think fast again? You've got this! You get four seconds to come up with each answer. Then repeat the video to make sure you really know all the words!

See if you can figure out what Sigrid is describing. Don't worry! She will give you a little time to think and then give you the answer (with some extra information, too).

Try to guess what word Sigrid is describing using the clues she gives you. Remember: You can always click "pause" if you need more time!

This episode of "Think Fast" is dedicated to the summer and the heat. Try to guess what Sigrid is describing!

Get ready for another round of "Think Fast!" Sigrid will describe some objects and you have to figure out what each object is. Even if you don't know the word for it in English, you are still doing great if you can visualize the object being described.

Try to figure out what Sigrid is thinking of as she describes something. Understanding the description is just as important as guessing the answer.

This video focuses on the verb "to be," with useful phrases for when you first meet people or are asked for your personal information. The second part of the video has an amusing skit, which may not be that funny if you're the sick person in the hospital emergency room.