Tag Questions: "You're coming, aren't you?"

Here is a friendly little structure that fills spoken English: the tag question: the short question pinned to the end of a statement, like You're coming, aren't you? or They didn't call, did they? It follows a neat two-part rule, built from the inversion you met in How to Make Questions. Learn the rule and you can form a tag for any sentence on the spot. This rounds off the verb-system section.

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1. What is a tag question?

A tag question is a short question added to the end of a statement. The little question is called the "tag." It's a way of checking, confirming, or inviting a response:

• You're coming, aren't you?
• They haven't arrived, have they?
• She can swim, can't she?
• Let's go, shall we?

The main part is a normal statement (You're coming), and the tag is the short question at the end (aren't you?). Tag questions are extremely common in friendly, spoken English. They soften a statement into something that invites the listener to agree or respond.

Quick recap: A tag question is a short question added to the end of a statement (the "tag"). You're coming, aren't you? It checks or confirms, and invites a response. Very common in spoken English.

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2. The two rules of tag questions

Forming a tag follows just two rules. Learn these and you can build any tag.

Rule 1, Flip the polarity. If the main statement is positive, the tag is negative. If the main statement is negative, the tag is positive.

Rule 2, Repeat the helping verb (+ a pronoun). The tag uses the same helping verb that's in the main statement, plus a pronoun matching the subject.

Let me explain "polarity." Polarity just means whether a sentence is positive or negative. So Rule 1 says: the tag has the opposite polarity from the statement. Positive statement → negative tag; negative statement → positive tag.

Watch both rules work together:

• She is ready, isn't she? → positive statement → negative tag (isn't); same helping verb (is); pronoun (she).
• They aren't coming, are they? → negative statement → positive tag (are); same helping verb (are); pronoun (they).
• He has finished, hasn't he? → positive → negative tag (hasn't); helping verb has; pronoun he.
• They didn't call, did they? → negative → positive tag (did); helping verb did; pronoun they.

So the recipe: take the helping verb, flip its polarity, add the matching pronoun, and you have your tag.

Worth repeating: Two rules: (1) Flip the polarity: positive statement gets a negative tag, negative gets positive. (2) Repeat the helping verb + a matching pronoun. She is ready, isn't she? / They aren't coming, are they?

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3. When there's no helping verb: add "do"

You've seen this before (How to Make Questions: The Inversion Algorithm and Saying "No": How to Make Sentences Negative)! If the main statement has no helping verb (just a plain main verb), you bring in do/does/did for the tag, the same do-support trick.

• She reads quickly, doesn't she? → no helping verb in She reads, so add does → flip to negative → doesn't she?
• They left early, didn't they? → add did → flip to negative → didn't they?
• He works here, doesn't he?

So whenever the statement lacks a helping verb, the tag uses do/does/did, chosen to match the tense and subject:

• present, he/she/it → does (doesn't)
• present, I/you/we/they → do (don't)
• past, everyone → did (didn't)

Lock this in: If the statement has no helping verb, use do/does/did in the tag (the same do-support trick): She reads quickly, doesn't she? / They left early, didn't they?

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4. A handy formation table

Here's a reference showing the rules across many sentence types:

Notice the bottom two: when the statement is negative (isn't, haven't), the tag flips to positive (is he?, have they?). The polarity always reverses.

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5. A few special cases

There are a handful of special tags worth memorizing as fixed items:

"I am" → "aren't I?"

This one is irregular. You'd expect amn't I?, but English doesn't use that. Instead:

• I am correct, aren't I? (not amn't I?)

Imperatives (commands) → "will you?"

When the statement is a command, the tag is usually will you? (or, more politely, would you?):

• Open the window, will you?
• Close the door, would you?

"Let's" → "shall we?"

When the statement starts with Let's (a suggestion), the tag is always shall we?:

• Let's begin, shall we?
• Let's take a break, shall we?

"There is/are" → use "there" in the tag

• There is a problem, isn't there?
• There are no exceptions, are there?

"Everything/nothing/something" → use "it"

• Everything is ready, isn't it?
• Nothing has changed, has it? (note: nothing is negative, so the tag is positive, has it?)

A quick reminder: Special tags to memorize: I am... aren't I?; commands... will you?; Let's... shall we?; There is... isn't there?; Everything is... isn't it? (and Nothing has... has it?: negative word, positive tag).

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6. A note on meaning (intonation in speech)

In spoken English, the way you say the tag (the "intonation," or the rise/fall of your voice) changes its meaning:

• Falling voice on the tag → you're fairly confident and just seeking agreement. It's more like a statement. (It's cold today, isn't it? said with a falling tone = "I'm sure you agree.")
• Rising voice on the tag → you're genuinely unsure and really asking. (It's cold today, isn't it? with a rising tone = "Is it? I'm not sure.")

This is a spoken feature, so it won't appear in writing, but it's good to know that the same tag question can be confident or uncertain depending on the voice.

Also worth knowing: tag questions are common in speech and informal writing, but rare in formal academic writing. You'll mostly meet them in conversation, dialogue, and reported speech.

Say it again: In speech, a FALLING voice on the tag = confident (seeking agreement); a RISING voice = genuinely asking. Tags are common in speech, rare in formal writing.

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7. How this fits the larger method

Tag questions are a lovely, compact application of things you already know.

From How to Make Questions: The Inversion Algorithm (questions): the tag uses the same inversion idea: the helping verb comes before the pronoun, just like in a question (aren't you? has the helping verb first). So a tag is a mini-inverted-question.

From How to Make Questions: The Inversion Algorithm and Saying "No": How to Make Sentences Negative (questions and negatives): the tag relies on finding the helping verb (or adding do if there isn't one), exactly the skill you built for questions and negatives. And the polarity flip uses the negative forms (contractions) from Saying "No": How to Make Sentences Negative.

So tag questions aren't a brand-new topic: they're the inversion algorithm plus a polarity flip, applied to the end of a sentence. Everything connects.

Hold onto this: A tag question = the inversion from questions (helping verb before the pronoun) + a polarity flip. It reuses the helping-verb and do-support skills from How to Make Questions: The Inversion Algorithm and Saying "No": How to Make Sentences Negative.

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8. Try a few

Try each yourself first, then check the answers.

Exercise A, Add the correct tag

1. The results are conclusive, ___?
2. She hasn't submitted the form, ___?
3. They completed the study, ___?
4. He will help us, ___?
5. She can drive, ___?

Exercise B, Special cases

1. I am right, ___?
2. Let's start, ___?
3. Open the window, ___?
4. There is a problem, ___?
5. Nothing was found, ___?

Exercise C: Positive or negative tag?

For each, say whether the tag should be positive or negative, then write it.

1. She is tired, ___?
2. They didn't come, ___?
3. He hasn't called, ___?
4. You like coffee, ___?

Exercise D, Do you need "do"?

For each, say whether the tag needs do/does/did, then write the full tag question.

1. She works here.
2. They are ready.
3. He left early.

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Answers (try first, then check!)

Exercise A, Add the correct tag:

1. aren't they? (positive statement → negative tag; are → aren't; the results → they)
2. has she? (negative statement → positive tag; hasn't → has)
3. didn't they? (no helping verb → add did; positive → negative tag)
4. won't he? (will → won't)
5. can't she? (can → can't)

Exercise B, Special cases:

1. I am right, aren't I? (irregular)
2. Let's start, shall we?
3. Open the window, will you?
4. There is a problem, isn't there?
5. Nothing was found, was it? (nothing is negative → positive tag; subject → it)

Exercise C: Positive or negative tag?

1. positive statement → negative tag: isn't she?
2. negative statement → positive tag: did they?
3. negative statement → positive tag: has he?
4. positive statement → negative tag: don't you?

Exercise D, Do you need "do"?

1. Yes → She works here, doesn't she?
2. No (Boot word are) → They are ready, aren't they?
3. Yes → He left early, didn't he?

How did you do? Exercise B (the special cases) and Exercise C (polarity) are the ones to watch. If you got the irregular aren't I? and the negative-word tags (Nothing was found, was it?), you've truly mastered tag questions.

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9. What this lesson gives you

1. A tag question is a short question added to the end of a statement (You're coming, aren't you?). Common in speech.

2. The two rules: (1) Flip the polarity: positive statement → negative tag, negative → positive. (2) Repeat the same helping verb + a matching pronoun.

3. No helping verb? Add do/does/did (the same do-support trick): She reads, doesn't she?

4. Special cases: I am... aren't I? (irregular); commands... will you?; Let's... shall we?; There is... isn't there?; Everything is... isn't it?

5. Negative words (nothing, nobody) make the statement negative, so the tag is positive: Nothing has changed, has it?

6. In speech, a falling voice on the tag = confident; a rising voice = genuinely asking.

7. A tag is just the inversion from questions + a polarity flip, built from skills you already have.

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10. Before moving along

You've now learned tag questions: a small, friendly structure that makes your spoken English sound natural and engaging. And you've seen that it's not really new: it's the question-inversion and helping-verb logic from earlier posts, reused in a clever way.

This also completes the entire verb-system section (How Verbs Choose What Comes After Them (Verb Valency) through Tag Questions: "You're coming, aren't you?")! You now understand verb valency, the gerund/infinitive choice, phrasal and prepositional verbs, the full tense and voice matrix, the -ing puzzle, questions, negation, modals, conditionals, the subjunctive, and tag questions. That's the complete machinery of the English verb. Take a moment to feel proud, that's a huge amount of ground covered.

In Finding the Seams: How to Break a Long Sentence Apart, we begin a new section: clause-level structure: how to find the boundaries between clauses in long, complex sentences. We'll learn the "boundary markers" (the signal words and punctuation) that tell you where one clause ends and the next begins. It's the key to breaking down really long sentences into manageable pieces.

When you're ready, Finding the Seams: How to Break a Long Sentence Apart opens a new section on long sentences. First, try adding tags to a few statements around you.