The A-Not-A Question Structure

How do you ask a simple yes-or-no question? If you’re an English speaker, the answer feels second nature. You might invert the subject and verb (“Are you coming?”), add a helper verb like “do” (“Do you want tea?”), or simply raise your intonation at the end of a statement (“You’re coming?”). These methods are so ingrained that we rarely stop to think about them. But what if a language had a completely different, yet beautifully logical, way of doing it?

Enter the A-not-A question structure, a common feature in Sinitic languages like Mandarin Chinese, as well as other languages across Asia. It’s a grammatical tool that forms a yes-no question by presenting both the affirmative (A) and the negative (not-A) options right in the sentence. It’s like asking, “Is the answer ‘yes’, or is the answer ‘no’?” all in one go.

What Exactly Is the A-not-A Structure?

At its core, the A-not-A question is formed by taking a verb or an adjective, and then immediately following it with its negative form. The most common structure is:

Subject + Verb/Adjective (A) + Negative Particle + Verb/Adjective (A)

Let’s look at the quintessential example from Mandarin Chinese. Imagine you want to ask someone, “Are you going?”

你去不去？
Nǐ qù bu qù?
(You go not go?)

Breaking it down:

• 你 (nǐ) = You (Subject)
• 去 (qù) = go (Verb – ‘A’)
• 不 (bù) = not (Negative Particle)
• 去 (qù) = go (Verb – ‘A’ again)

By presenting the choice—go or not go—the sentence becomes a question. There’s no need for a word like “do” or a change in intonation. The grammar itself creates the question. The expected answer isn’t a simple “yes” or “no”, but rather an echo of the verb: 去 (qù) for “I’m going” or 不去 (bù qù) for “I’m not going.”

A-not-A in Action: The Versatility of Mandarin

Mandarin Chinese uses this structure extensively, and it works with more than just simple action verbs. It’s a flexible tool for all kinds of inquiries.

With Adjectives:

Want to ask if something is good? You state the positive and the negative.

这个好不好？
Zhège hǎo bu hǎo?
(This good not good? → Is this good?)

With Modal Verbs (can, will, should):

You can use it to ask about ability or willingness.

你会不会说中文？
Nǐ huì bu huì shuō Zhōngwén?
(You can not can speak Chinese? → Can you speak Chinese?)

With “to be”:

To ask if someone is a certain nationality or profession, you use the verb “to be”, 是 (shì).

你是不是美国人？
Nǐ shì bu shì Měiguó rén?
(You are not are American? → Are you American?)

It’s important to note that Mandarin also has another way to ask yes-no questions using the particle 吗 (ma) at the end of a statement. For example, Nǐ qù ma? (你去吗？) also means “Are you going?” While often interchangeable, the A-not-A structure can feel slightly more neutral, as it explicitly lays out both possibilities without leaning toward one or the other.

A Different Flavor: The Celtic Connection in Irish

While Mandarin is the textbook example of A-not-A, other languages have systems that solve the same problem—asking a yes-no question without a universal “yes” or “no” word—in fascinatingly similar ways. Take Irish (Gaelic), for instance. While not a direct A-not-A structure, its question-and-answer system operates on a related principle: verb-echoing.

In Irish, you don’t answer a question with “yes” or “no.” Instead, you answer with the verb that was used in the question, in either its positive or negative form.

For example, to ask “Is the food good?”, you’d say:

An bhfuil an bia go maith?
(Is the food good?)

The possible answers are:

• Tá. (“It is.”)
• Níl. (“It is not.”)

Here, Tá is the positive form of the verb “to be”, and Níl is the negative. You are affirming or negating the core action of the question. Similarly, if someone asks:

Ar cheannaigh tú an leabhar?
(Did you buy the book?)

You would answer:

• Cheannaigh. (“I did buy.”)
• Níor cheannaigh. (“I did not buy.”)

This “verb-echo” system, like the A-not-A structure, grounds the conversation in the specific action being discussed. It bypasses the need for abstract words like “yes” and “no” by focusing on the verb itself. It’s another elegant solution to the universal challenge of confirmation.

How English Compares: Our Quirky Toolkit

Reflecting on these structures makes the English system seem wonderfully, and perhaps needlessly, complex. We rely on a whole different set of tools to do the same job:

• Do-support: For most verbs, we have to insert the auxiliary verb “do” to form a question. “You like coffee” becomes “Do you like coffee?” You can’t just ask, “Like you coffee?”
• Subject-Auxiliary Inversion: When an auxiliary verb (like “to be” or “can”) is already present, we invert it with the subject. “He is tall” becomes “Is he tall?”
• Intonation: As a final, flexible tool, we can turn almost any declarative sentence into a question just by changing our pitch. “We’re leaving now.” becomes “We’re leaving now?” This relies entirely on sound, not grammar, and can be lost in text without a question mark.

The A-not-A structure packages the question lexically—that is, using the words themselves. English, on the other hand, relies heavily on syntax (word order) and prosody (intonation). Neither is inherently better, but they reveal the diverse strategies languages evolve to convey meaning.

Why Does This Matter?

Exploring structures like A-not-A does more than just satisfy linguistic curiosity. It’s a powerful reminder that the way our native language works isn’t the only way, nor is it the “default.” It shows us that fundamental concepts like asking for confirmation can be built from entirely different logical blocks.

For writers, language learners, and anyone interested in communication, understanding these differences fosters a deeper appreciation for the creativity of human language. It highlights how grammar isn’t just a set of dusty rules, but a dynamic, living system that shapes thought and conversation in profound ways. The next time you ask “Do you or don’t you?”, you’re channeling the very spirit of the A-not-A question.