Every word in the English language belongs to a category, just like ingredients in a recipe. These categories are called parts of speech. Understanding them is the first step to building clear sentences. They tell us what a word does.

Let's look at these four main parts of speech a bit closer. They do most of the heavy lifting in our sentences.

Nouns are the names we give to everything around us. Your name is a noun. City, book, love, and computer are all nouns.

Verbs are the engines of our sentences. They show what's happening. Action verbs are easy to spot: jump, write, sing. State-of-being verbs connect the subject to a description, like the word is in "The sky is blue."

Once we have our words, we need to arrange them correctly. A complete sentence has two basic parts: a subject and a predicate.

The subject is who or what the sentence is about. It's usually a noun or pronoun.

The predicate tells us what the subject is or does. It always contains the verb.

Think of it this way: the subject is the main character, and the predicate is the action or story about that character. Even the shortest sentence has both parts. In the sentence "She slept," She is the subject and slept is the predicate.

Verbs don't just show action; they also tell us when the action happens. This is called tense. For now, let's focus on the three main tenses.

Changing the tense of a verb is called conjugation. For many verbs, you add -ed to form the past tense, like changing walk to walked. But many common verbs are irregular, like go, which becomes went in the past tense, not goed.

In English, the subject and verb must agree in number. This sounds complicated, but the rule is simple: if the subject is singular, the verb must be singular. If the subject is plural, the verb must be plural.

We usually only notice this in the present tense.

Notice how it's the opposite of nouns. With nouns, we add an -s to make them plural (dog becomes dogs). With present-tense verbs, we add an -s to make them singular when the subject is he, she, it, or a single noun.

Ready to check your understanding? Let's try a few questions.

These are the core pillars of grammar. By mastering parts of speech, sentence structure, tenses, and agreement, you have the tools to communicate clearly and confidently.