Here are some words to help answer the question "Which one?" We distinguish between singular and plural as well as between something close to us and far away.

Sigrid explains the meaning of "prop" as both a noun and a verb. Either one can come in handy.

Some and any both refer to an unspecified quantity, but they are used in different situations. Sigrid explains how they work.

In this video, Sigrid looks at certain kinds of questions in which it is correct to use "some," the dreaded double negative, and negative statements that can be expressed in two different ways.

Sigrid, here as Rita and Kathy, has fun practicing the 5 question words ("who," "what," "where," "when," and "why") on a train. She makes quite a nuisance of herself, too. More about the 5 W's in: Parts of Speech: Question Words - Part 1 of 3.

There's one more important question word to learn: "how." Sigrid provides plenty of examples of questions with "how," both by itself and together with an adjective or adverb.

Sigrid packs her carry-on bag for the flight to Paris. She talks about what she needs to pack, and why.

We use question words plus words like "some" and "any" to form new indefinite words, such as "sometime," "sometimes," and "anytime." This video is about question words "who," "what," and "when."

This video is about indefinite answers to the question words "where" and "how." We combine these question words with "some" and "any" to form new indefinite words, such as "somewhere," "somehow," "anywhere," "anyhow," and "anyway."

With longer adjectives, we have to add some extra words in order to form the comparative and superlative. Sigrid explains how.

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.

"High Hopes" is a single from Panic! at the Disco's sixth studio album Pray for the Wicked. Its hopeful message is expressed with crisp, soaring vocals and a punchy horn section.