Welcome to the fourth lesson in our "Building Blocks of English" module. In our previous lessons, we've explored nouns, articles, and pronouns. We learned that nouns name things, and pronouns stand in for them. Now, we'll discover how to make our sentences more descriptive and vivid by using adjectives and adverbs.
Today's goal is to learn how to distinguish between adjectives and adverbs and use them correctly to modify nouns and verbs. Mastering this will allow you to add rich detail to your writing and speaking, making your English more expressive and precise.
1. The Fundamental Difference: What Do They Describe?
At their core, adjectives and adverbs are both "describing words," but they describe different parts of a sentence.
- An adjective describes a noun or a pronoun. It answers questions like: What kind? How many? Which one?
- An adverb describes a verb, an adjective, or another adverb. It answers questions like: How? When? Where? To what extent?
Let's begin with a short video that introduces this basic distinction with clear examples.
English Grammar - Adjectives & Adverbs
This video, "English Grammar - Adjectives & Adverbs" by English with Ronnie, provides a very simple and energetic introduction to the main roles of these two parts of speech.
Please watch the first two segments. The first part explains what adverbs do, from the introduction to adverbs. Notice how the teacher emphasizes that adverbs describe how an action (verb) is done. The second part introduces adjectives, from the definition of an adjective. Pay attention to how adjectives give more information about a noun (a person, place, or thing).
As the video explained, the easiest way to remember the basic difference is:
- Adjectives modify nouns: a beautiful day, a tall building.
- Adverbs modify verbs: He runs quickly. She speaks softly.
However, adverbs have a broader role. They can also modify adjectives and other adverbs, usually to add a degree of intensity. For a more complete definition, let's turn to a written resource.
Adjectives and Adverbs: What's the Difference?
This article from Grammarly clearly outlines the full function of both adjectives and adverbs and provides a simple trick for telling them apart.
First, read the section What’s the difference. This part explains how adverbs can also describe adjectives (e.g., "very large") and other adverbs (e.g., "almost always"). Next, read How to tell them apart. This section gives you the most important rule: identify the word being described. It also introduces the common "-ly" ending for adverbs.
2. Sentence Position and Linking Verbs
One of the most common sources of confusion is where to place adjectives and adverbs, especially when dealing with certain verbs. The following infographic provides a great visual summary of the basic rules.

As the chart shows:
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Adjectives after linking verbs: Verbs like be, feel, get, look, seem, become don't show action. They link the subject to a description. In this case, use an adjective.
- He is happy. (Describes He)
- She feels sad. (Describes She)
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Adjectives before a noun: This is the most common position for an adjective.
- She reads a good book.
- It is a sunny day.
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Adverbs after action verbs: For most other verbs that show an action, use an adverb to describe how the action is performed.
- She sings well.
- He drives badly.
The difference between using an adjective and an adverb after a sensory verb like smell or look can completely change the meaning of a sentence. Let's explore this with the help of the Grammarly article again.
Adjectives and Adverbs: What's the Difference?
We will revisit the same article to understand the crucial role of linking verbs.
Please read the section on Adjectives vs. adverbs and linking verbs. The example about the lizard smelling "bad" versus "badly" is an excellent illustration of this concept.
3. Common Confusions and Irregular Forms
While the "-ly" rule is helpful (e.g., slow -> slowly, quick -> quickly), English grammar has many exceptions. Knowing these will help you avoid common mistakes.
Key points to remember:
- Good vs. Well: This is a classic mistake. Good is an adjective. Well is an adverb.
- Correct: You did a good job. (good describes the noun job)
- Correct: You did the job well. (well describes the verb did)
- Incorrect: You did the job good.
- Words with the same form: Some words can be both an adjective and an adverb without changing.
- He is a fast runner. (Adjective describing the noun runner)
- He runs fast. (Adverb describing the verb runs)
- Other examples include: hard, late, early, straight.
- Words with different meanings: Sometimes, adding "-ly" creates a new word with a completely different meaning.
- He works hard. (meaning with a lot of effort)
- He hardly works. (meaning almost never)
Let's watch a video that explores these confusing cases with clear, practical examples.
Adjectives and Adverbs in English - 5 Levels of Difficulty
This video, "Adjectives and Adverbs in English" from Oxford Online English, moves from basic rules to more complex and confusing situations.
Start by watching the segment that discusses word order and words with the same form. This will clarify how words like fast and enough can function as both adjectives and adverbs. Next, watch the section on confusing word pairs. Pay close attention to the explanations for hard vs. hardly and late vs. lately. This part highlights why understanding the meaning of the whole sentence is more important than just looking at the word itself.
4. Practice Time
Now let's test your understanding with a few questions. Read each question carefully and choose the best answer based on what you've learned.
Adjectives and Adverbs: Definition, Examples, & Exercises | Albert.io
This resource from Albert.io has a helpful quiz at the end. We will use a few of its questions to check your knowledge.
Please navigate to the section titled Try for Yourself. Attempt the following questions and read the explanations for each one, whether you get it right or wrong. Question 1: "Do adjectives or adverbs modify nouns and pronouns?" Question 2: "Should the following sentence use the word good or well? I didn’t sleep very (good/well) last night." Question 6: "Which answer is the best choice to make the underlined portion of the following sentence accurate? The kids responded excited when they were told about the field trip."
Conclusion
In this lesson, we dove into the world of descriptive words. You learned how to tell adjectives and adverbs apart and how to use them correctly to add detail and precision to your sentences.
Here are the most important takeaways:
- Adjectives modify nouns and pronouns. They usually appear before a noun or after a linking verb.
- Adverbs modify verbs, adjectives, and other adverbs. They often end in "-ly" and describe how, when, or where an action occurs.
- The choice between an adjective and an adverb can change a sentence's meaning, especially after verbs like feel, look, and smell.
- Be mindful of common exceptions like good/well and words that don't change form, such as fast and hard.
You've now covered the main "building blocks" of a sentence. In our next and final lesson of this module, we will learn about prepositions (words like in, on, at, for, since), which help us connect words and show relationships of time and place.