Learn · English · Class 4

Parts of Speech

The jobs words do, and why the same word can change job in a different sentence.

8 parts
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📘 DefinitionEvery word has a jobPart 1 of 8
🧩 The partsThe main fivePart 2 of 8
🔍 In detailThe same word, a different jobPart 3 of 8
✏️ Worked exampleLabelling a sentencePart 4 of 8
🌍 In the real worldWhy it makes your writing betterPart 5 of 8
⚠️ Common mistakesWhere it usually goes wrongPart 6 of 8
✅ SummaryWhat to rememberPart 7 of 8
An open dictionary, where every word is labelled with the job it does in a sentence. Photo: Cullen328, CC BY-SA 4.0, via Wikimedia Commons.
An open dictionary, where every word is labelled with the job it does in a sentence. Photo: Cullen328, CC BY-SA 4.0, via Wikimedia Commons.
1📘 DefinitionPart 1 / 8

Every word has a job

Words are sorted by the job they do in a sentence. Those jobs are called parts of speech.

Knowing them lets you talk about language precisely, and it is what makes every later grammar topic possible.

There are eight, and at this stage five matter most.

2🧩 The partsPart 2 / 8

The main five

  • Noun: names a person, place, animal or thing. Ali, school, cat, book
  • Verb: an action or a state of being. run, eat, is
  • Adjective: describes a noun. tall, red, happy
  • Adverb: describes a verb, often ending -ly. quickly, softly
  • Pronoun: replaces a noun. he, she, it, they

The other three are prepositions (in, on, under), conjunctions (and, but, because) and interjections (Oh! Wow!).

3🔍 In detailPart 3 / 8

The same word, a different job

A word is not permanently one part of speech. Its job depends on the sentence.

"I run every morning.". Here run is a verb.

"I went for a run.". Here run is a noun.

So never ask "what part of speech is this word?" without the sentence. Ask what is it doing here?

4✏️ Worked examplePart 4 / 8

Labelling a sentence

Sentence: "The clever girl quickly solved the hard puzzle."

Work through it word by word:

  • clever, describes "girl" → adjective
  • girl, names a person → noun
  • quickly, describes how she solved → adverb
  • solved, the action → verb
  • hard, describes "puzzle" → adjective

The reliable test: ask what the word is describing. If it describes a thing, it is an adjective. If it describes an action, it is an adverb.

5🌍 In the real worldPart 5 / 8

Why it makes your writing better

Knowing the parts of speech lets you improve a sentence deliberately rather than by guesswork.

"The dog ran." → add an adjective and an adverb → "The frightened dog ran desperately."

It also explains grammar rules that otherwise seem arbitrary: verbs change with tense, adjectives do not; pronouns must match the noun they replace.

And when a teacher writes "use a stronger verb" on your work, you know exactly what to look for.

6⚠️ Common mistakesPart 6 / 8

Where it usually goes wrong

  • "A word is always the same part of speech." It depends on the sentence.
  • Confusing adjective and adverb. Adjective → thing. Adverb → action.
  • "All adverbs end in -ly." Many do; fast, well and very do not.
  • Forgetting that "is", "am" and "are" are verbs: not every verb is an action.
7✅ SummaryPart 7 / 8

What to remember

  • A part of speech is the job a word does.
  • Noun names · verb does · adjective describes a noun · adverb describes a verb · pronoun replaces a noun.
  • The same word can change job.
8✏️ Worked examplePart 8 / 8

Watch one worked through

Here is one done slowly, with the reason for every move. Then one for you.

Let me show you

Name the part of speech of each underlined word: "The clever girl quickly solved a difficult puzzle."

  1. The clever girl quickly solved a difficult puzzle. girl puzzle = nouns
    Find the naming words first: girl and puzzle are nouns.
    Nouns are the easiest to spot, and once they are out of the way the words around them are easier to place. Work from the words you are sure of.
  2. solved = verb
    Find the doing word: solved is the verb.
    Every sentence needs a verb. Finding it tells you who did what, which anchors everything else.
  3. clever → girl difficult → puzzle = adjectives
    Look at clever and difficult. Each sits before a noun and describes it, so both are adjectives.
    Ask what the word is describing. If the answer is a noun, it is an adjective. The question is about the job the word does, not about the word itself.
  4. quickly → solved = adverb
    Look at quickly. It describes how the solving was done, so it is an adverb.
    An adverb describes a verb. The ending ly is a useful clue but not a rule, because friendly and lovely are adjectives.

Answer: girl and puzzle are nouns, solved is a verb, clever and difficult are adjectives, quickly is an adverb

Now you try

In "The old man walked slowly", what part of speech is "slowly"? One word.

Show the answer

adverb

Practise Parts of Speech

Everything on QuizByt for Class 4 English that goes with this lesson: read it first, then test yourself while it is fresh.

🧠 16 quizzes on Parts of Speech (13 easy, 2 medium, 1 hard)

Work up from easy to hard: the hard quiz asks the Class 4 exam-style questions on Parts of Speech.

🖨️ Printable worksheet

Parts of Speech on paper for Class 4, with room to write the working out. Preview the first page free.

🎮 Games for Class 4 English

Word games at the right level for Class 4. Passing a quiz on Parts of Speech earns the credits that open them.

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