“You're coming tonight, aren't you?” “She doesn't like coffee, does she?” Those short two-or-three-word phrases tacked onto the end of a statement - question tags - are one of the most distinctive features of natural spoken English, and one of the trickiest for learners, because the tag has to flip the sentence's polarity and match its exact verb form every single time. Get the auxiliary verb wrong, or forget to flip positive to negative, and the sentence sounds off in a way native speakers notice instantly. This guide covers how question tags are built, the polarity rule that governs them, the handful of irregular cases that don't follow the pattern, and the mistakes that give away a non-native sentence even when the rest of the grammar is correct.
A question tag is a short question attached to the end of a statement, used to confirm information, invite agreement, or soften a request: “It's cold today, isn't it?” “You haven't seen my keys, have you?” Question tags are extremely common in spoken English - far more common than in writing - because they serve a genuinely social function: they turn a flat statement into an invitation for the listener to respond, which is exactly why they show up constantly in casual conversation, small talk, and checking for agreement.
The core rule is polarity reversal: a positive statement takes a negative tag, and a negative statement takes a positive tag. “You are ready” (positive) becomes “You are ready, aren't you?” (negative tag). “You aren't ready” (negative) becomes “You aren't ready, are you?” (positive tag). This flip is not optional or stylistic - a positive statement with a positive tag (“You are ready, are you?”) is grammatically different, used only in a specific sarcastic or challenging tone, not as a neutral confirmation question.
The second core rule is that the tag's verb must exactly match the statement's auxiliary or modal verb, not invent a new one. If the statement uses “is,” the tag uses “is”/“isn't.” If the statement uses “can,” the tag uses “can”/“can't.” If the statement has no auxiliary verb at all - a simple present or simple past sentence with a main verb only, like “She likes coffee” - the tag borrows the dummy auxiliary “do”/“does”/“did”: “She likes coffee, doesn't she?” This is the single most important pattern to internalize, since simple present and simple past are the most frequent tenses in everyday speech.
Standard English has no contraction for “am not” in this position, so the tag borrows “aren't” instead: “I'm late, aren't I?” This is a genuine, memorized exception - it breaks the normal matching rule, since the statement uses “am” but the tag uses a form of “are.”
Suggestions with “let's” always take the fixed tag “shall we,” regardless of the rest of the sentence: “Let's get pizza, shall we?” This tag never changes and never flips polarity, since “let's” itself has no separate positive/negative form to reverse.
Commands and requests use the fixed tag “will you,” whether the imperative is positive or negative: “Close the door, will you?” and “Don't be late, will you?” both use the same tag, since the imperative form has no subject or auxiliary of its own to match.
Question tags live almost entirely in spoken English, and getting the intonation right - rising for genuine uncertainty, falling for confirmation - is just as important as getting the grammar right. The Pronounce Checker tool lets you speak full example sentences like “You haven't finished yet, have you?” out loud and get instant feedback on how natural your rhythm and intonation sound, not just whether the words are correct. Practicing the tag attached to the full sentence, rather than in isolation, builds the same fluent, automatic delivery native speakers use without thinking about it.
Learners from language backgrounds where a single fixed tag phrase (like French “n'est-ce pas” or a generic “right?”) covers every sentence often default to “isn't it?” regardless of the actual subject or verb: “They went home, isn't it?” The fix: the tag must match the statement's subject and auxiliary exactly every time - there is no universal, one-size-fits-all tag in standard English. Unlike French, which really can attach the same “n'est-ce pas” to almost any statement, English tags are grammatically tied to the specific sentence they follow, which is exactly what makes this such a persistent transfer error for speakers of languages with a fixed tag phrase. Our guide on reported speech in English covers a related case where a spoken structure has to track the original sentence's exact grammar rather than defaulting to one fixed form.
“You like pizza, do you like it?” repeats the statement instead of flipping to a negative tag and reducing it to just the auxiliary and pronoun. The fix: “You like pizza, don't you?” - flip to negative, keep only the auxiliary plus subject pronoun, drop the main verb entirely.
“She has finished, doesn't she?” mismatches “has” in the statement with “doesn't” in the tag. The fix: the tag must reuse the exact same auxiliary as the statement - “She has finished, hasn't she?” This mistake is especially common with “have” used as an auxiliary (perfect tenses) versus “have” used as a main verb of possession, since only the first case allows “have/hasn't” directly in the tag - “She has a car” (main verb) instead borrows “doesn't”: “She has a car, doesn't she?” Our guide on English verb tenses covers the full set of auxiliary verbs across tenses, which is worth reviewing alongside this rule since question tags depend entirely on correctly identifying the right auxiliary first.
A question tag is a short question added to the end of a statement to confirm information or invite agreement, such as “isn't it?” or “don't you?” It typically consists of an auxiliary verb plus a subject pronoun.
A positive statement takes a negative tag, and a negative statement takes a positive tag. The tag's verb must also exactly match the auxiliary verb used in the main statement, or borrow “do/does/did” if the statement has no auxiliary.
Standard English has no contracted negative form of “am not,” so “aren't I” is used instead as a fixed, memorized exception to the normal auxiliary-matching rule.
Yes. A falling intonation on the tag signals the speaker is fairly confident and just wants agreement (“Nice day, isn't it.”). A rising intonation signals genuine uncertainty or a real question (“You locked the door, didn't you?”).
“Let's” statements always use “shall we” (“Let's go, shall we?”). Imperative statements always use “will you” (“Pass the salt, will you?”), regardless of whether the imperative is positive or negative.
Question tags appear far more often in spoken and informal written English (conversation, dialogue, casual messages) than in formal writing. In academic or professional writing, they are generally avoided in favor of direct statements or full questions.
Question tags reward careful listening more than memorized rules - the polarity flip and auxiliary match become automatic once you've heard and said enough correct examples. Focus first on the high-frequency pattern (do/does/did for simple tenses), then layer in the irregular cases like “aren't I” and “shall we.” Try speaking today's example sentences out loud using the Pronounce Checker tool to start training both the grammar and the natural rhythm together.
Ready to put it into practice?
Practice your pronunciation now