You know what’s funny? People Google "what part of speech is is" more than you’d think. I remember teaching ESL classes and seeing at least three students per semester stumble over this tiny word. One guy even argued with me that "is" must be a noun because it felt solid. Hilarious, but it shows how confusing such a basic word can be. Today we’ll cut through the grammar fog.
The Straight Answer You Came For
Let’s not dance around it: "is" is a verb. Specifically, it’s a linking verb (also called a copula). When someone asks "what part of speech is is," they’re usually knee-deep in sentence diagramming or realizing grammar rules make no sense. Like why do we say "she is happy" but "they are happy"? Ugh. Verbs are sneaky like that.
Breaking Down the Linking Verb Role
Linking verbs connect subjects to descriptions. Think of them as equals signs:
| Subject | Linking Verb | Description |
|---|---|---|
| The sky | is | blue |
| My coffee | is | cold |
Notice how "is" doesn’t show action? That’s why it trips people up. We expect verbs to do things (run/jump/scream), but linking verbs just exist. My student Maria once yelled, "But it’s invisible work!" She wasn’t wrong.
When "Is" Wears Different Hats
Plot twist: sometimes "is" moonlights as a helping verb. Check these examples:
- Helping verb: "She is eating tacos." (Main verb: eating)
- Linking verb: "The taco is spicy."
I tested this with my beginner class last month. Gave them sentences like "He is tired" vs. "He is running." Half guessed wrong. Moral of the story? Context is king.
The Other Verbs That Act Like "Is"
"Is" isn’t alone. Meet its dysfunctional family:
| Verb | Function | Example |
|---|---|---|
| Am | Linking/Helping | "I am hungry" |
| Are | Linking/Helping | "You are late" |
| Was/Were | Linking/Helping | "It was rainy" |
| Seem | Linking | "That seems wrong" |
Why Do People Ask About This Word?
From my tutoring experience, here’s why "what part of speech is is" gets Googled:
- Sentence confusion: "Why isn’t ‘sky’ the verb in ‘The sky is blue’?"
- Tense struggles: Using "is" with past events ("He is went to school" – ouch)
- Non-native speaker traps: In some languages, linking words don’t exist
A Japanese student told me, "In Japanese, we’d just say ‘sky blue’. Your ‘is’ feels redundant." Fair point.
Mega-Common Mistakes (And How to Fix Them)
After grading 500+ essays, I’ve seen these errors repeatedly:
Mistake 1: Dropping "Is" in Questions
Wrong: "Where she going?"
Right: "Where is she going?"
Why it happens: Colloquial speech bleeds into writing. Texting ruins us all.
Mistake 2: Confusing "Is" and "Has"
Wrong: "She’s a dog" (meaning she owns a dog)
Right: "She has a dog" or "She’s got a dog"
My rant: Contractions are public enemy #1 here. I ban ’s in my beginner classes.
Mistake 3: Overusing "Is" with Adjectives
Clunky: "The flower is beautiful"
Stronger: "The beautiful flower..."
Personal rule: If I spot three "is + adjective" sentences in a row, I make students rewrite. Descriptive writing shouldn’t sound like a robot.
Your Burning Questions Answered
Based on Reddit threads and Quora, here’s what real people ask about "what part of speech is is":
Q: Is "is" ever a noun?
A: Almost never. Unless you’re discussing the word itself ("The ’is’ in line 3 is incorrect"), it’s always a verb. But honestly? That’s grammar-nerd territory.
Q: Why does English need this annoying verb?
A: Blame Old English. We inherited this from Germanic languages. My hot take: It’s useful for tense clarity. Try saying "She happy yesterday" vs. "She was happy yesterday." See the difference?
Q: Is "is" the most common verb?
A: Yep! According to Oxford English Corpus data:
- "Is"
- "Are"
- "Was"
Makes sense – we’re obsessed with describing things.
How to Master "Is" Like a Pro
From my teaching toolkit:
- Spot-the-Verb Drills: Scan articles and circle every "is." Classify it as linking/helping. (Pro tip: The Guardian works great for this.)
- Contraction Ban: For one week, write without contractions. Forces you to SEE "is."
- Rewrite Challenge: Take "is" sentences and rebuild them. Example: "The problem is complicated" → "This complicated problem..."
One student improved her IELTS score by 1.5 bands just by fixing "is" overuse. Not even joking.
When Grammar "Rules" Need Breaking
Here’s where academics and real life clash:
| Grammar Book Rule | Real-World Exception |
|---|---|
| Avoid "is" in formal writing | J.K. Rowling uses it constantly ("Harry is late") |
| Don’t start sentences with "There is" | News headlines do it ("There is chaos in...") |
My opinion? If native speakers break a rule daily, it’s not a rule – it’s a suggestion. But know the basics before you rebel.
Dialects That Ditch "Is"
Ever heard African American Vernacular English (AAVE)? Phrases like "She my sister" omit "is." Linguists call this "copula deletion" – and it’s grammatically correct within AAVE. Context matters more than rigid rules.
Final Reality Check
When you wonder **"what part of speech is is"**, remember:
- It’s always a verb
- It either links subjects to descriptions or helps main verbs
- Its simplicity makes it commonly misused
Grammar snobs might say this is basic. But as someone who’s taught refugees learning English from scratch, I know small words build big foundations. Now go use "is" like you own it.
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