Plastic pollution poses one of the biggest known threats to the ocean and all related ecosystems. Pollution comes in many forms, and agriculture is one important key to bringing about necessary change. All of us are key players, since we all eat food.

Sigrid takes us through the different persons using dependent possessive pronouns, also called possessive adjectives or possessive determiners. These little words are important when talking about names, your possessions, family and friends, characteristics, jobs, favorite things and just about everything else.

Sigrid talks about the difference between possessive nouns and other possessive words such as possessive determiners or articles like "my" and "your."

Sigrid reviews the object pronouns: "me," "you," "him," "her," "it," "us," "you," and "them."

Sigrid reviews the subject pronouns "I," "you," "he," "she," "it," "we," "you," and "they."

Nouns are usually the first words we learn. The good news is that with nouns, we don't have to worry about gender in English. We do, however, have to be aware of gerunds that act like nouns but look like verbs, and countable or uncountable nouns.

Here's a quick summary of the different kinds of words we have in the English language and what they are used for.

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

Annette provides some biographical notes on Maya Angelou and then recites her poem “Caged Bird." The poem followed Angelou's memoir volume, I Know Why the Caged Bird Sings.

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.

Annette recites a poem to help students with English pronunciation and its maddening inconsistencies.

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

Sigrid finishes the alphabet with "Z," covering words like "zone" and "zebra," but also the useful suffix "-ize."

Anna, from Cambridge University Press, explains how and when to use the Present Simple.

"Y" is a tricky letter because it's both a consonant and a vowel. As a vowel, it has different sounds. Don't worry. But hey, maybe keep your eye on the "Y." Don't let it fly away.