A1 Modal Verbs 16 min read Easy

Negating Modal Verbs: `不` vs `没`

Always use 不 to negate modal verbs, regardless of whether you are talking about the present or past.
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Grammar Rule in 30 Seconds

Use {不|bù} for modal verbs like {想|xiǎng}, {会|huì}, and {能|néng} because they express desire or ability, not completed actions.

  • Always use {不|bù} to negate modal verbs: {不想|bù xiǎng} (don't want to).
  • Never use {没|méi} with modal verbs: {没想|méi xiǎng} is grammatically incorrect for 'don't want'.
  • Use {不|bù} even if the action is in the past: {昨天不想去|zuótiān bù xiǎng qù} (didn't want to go yesterday).
Subject + 不 (bù) + Modal Verb + Verb

Overview

Chinese grammar, at its foundation, distinguishes between two primary negative markers: 不 (bù) and 没 (méi). For many learners, deciding which to use can be a persistent challenge, especially when these markers interact with modal verbs. Modal verbs, such as 想 (xiǎng, want), 能 (néng, can), or 会 (huì, know how/will), do not describe physical actions that are completed or uncompleted.

Instead, they express internal states, dispositions, capabilities, or intentions. This fundamental difference means that modal verbs almost exclusively pair with 不 (bù) for negation, irrespective of the time frame—be it present, future, or past. Understanding this principle is crucial for developing accurate and natural-sounding Chinese.

This guide will clarify why 不 (bù) is the default negator for modal verbs and how to apply this rule consistently in your communication.

How This Grammar Works

To grasp the negation of modal verbs, you must first understand the core distinction between 不 (bù) and 没 (méi). 不 (bù) negates actions, conditions, or states that are habitual, in the present, in the future, or are subjective judgments and desires. It expresses volition, disapproval, or a general non-occurrence.
For instance, 我不喜欢 (Wǒ bù xǐhuan, I don't like) expresses a current preference, while 他不去 (Tā bú qù, He won't go) indicates a future refusal. 没 (méi), on the other hand, is primarily used to negate completed actions in the past or the existence of something, often with 有 (yǒu, to have). 我没吃饭 (Wǒ méi chī fàn, I didn't eat) negates a past event, and 我没有钱 (Wǒ méiyǒu qián, I don't have money) negates possession.
This distinction is critical: 不 is about volition, habit, or general truth, while 没 is about completion or existence.
Modal verbs, by their very nature, describe a state of mind or a potential, not a completed action. You don't "complete" the act of wanting, needing, or being able to do something; you either possess that desire, need, or ability, or you don't. When you say "I don't want to go," you are expressing your current mental state, not the non-completion of a past desire.
Because these verbs signify an internal condition or a relationship to a potential action, their negation logically aligns with 不. This applies even when discussing past events. If you say, "I couldn't go yesterday," you are expressing that the ability or permission to go was absent at that past time, not that an action of "being able" failed to complete.
Therefore, 不 becomes the consistent choice for negating all modal verbs, reflecting their role in describing subjective states rather than objective events. This linguistic pattern helps maintain clarity by keeping the negation of internal conditions distinct from the negation of external actions.

Formation Pattern

1
The structure for negating modal verbs in Chinese is remarkably consistent and straightforward. It involves placing 不 (bù) directly before the modal verb. The primary formula is:
2
Subject + 不 (bù) + Modal Verb (+ Main Verb + Object/Complement)
3
Note that the main verb and any subsequent elements are often optional, depending on whether the context makes the implied action clear. For instance, if someone asks if you want coffee, you could simply reply 我不要 (Wǒ bú yào, I don't want it) without stating 喝咖啡 (hē kāfēi, drink coffee).
4
Here’s a breakdown of the components:
5
Subject: The person or entity experiencing the state or performing the action (e.g., 我 (wǒ, I), 他 (tā, he), 我们 (wǒmen, we)).
6
Negator: Always 不 (bù) when negating a modal verb.
7
Modal Verb: The verb expressing desire, ability, permission, necessity, etc. (e.g., 想 (xiǎng, want), 能 (néng, can), 会 (huì, know how/will), 可以 (kěyǐ, may), 应该 (yīnggāi, should), 要 (yào, want/need/will)).
8
Main Verb (Optional): The action that the modal verb relates to (e.g., 去 (qù, go), 吃 (chī, eat), 做 (zuò, do)).
9
Object/Complement (Optional): The recipient of the action or additional information.
10
Consider the following examples:
11
我不想去。 (Wǒ bù xiǎng qù.) - I don't want to go.
12
她不能来。 (Tā bù néng lái.) - She cannot come.
13
我们不应该晚。 (Wǒmen bù yīnggāi wǎn.) - We shouldn't be late.
14
An important phonetic rule to remember is the tone change of 不 (bù). While 不 is typically a 4th tone, it changes to a 2nd tone (bú) when followed by another 4th tone character. This makes pronunciation smoother and more natural. For example:
15
| Original Negation | Pinyin | Meaning | Tone Change Example |
16
| :---------------- | :----- | :------ | :------------------ |
17
| 不想 | bù xiǎng | Don't want | (想 is 3rd tone, 不 stays 4th tone) |
18
| 不能 | bù néng | Cannot | (能 is 2nd tone, 不 stays 4th tone) |
19
| 不会 | bú huì | Don't know how / Won't | (会 is 4th tone, 不 changes to 2nd tone) |
20
| 不要 | bú yào | Don't want / Don't! | (要 is 4th tone, 不 changes to 2nd tone) |
21
This tone sandhi is not optional; it is a fundamental aspect of natural Chinese pronunciation. Although your meaning will likely be understood without it, mastering this detail significantly improves your fluency and intelligibility.

When To Use It

The consistent use of 不 (bù) with modal verbs allows you to express a range of subjective negations. This pattern is versatile and covers situations involving desire, ability, permission, obligation, and prediction.
1. Expressing Lack of Desire or Intention:
Use 不想 (bù xiǎng) to indicate that you don't want to do something. This reflects a preference or a mental state.
  • 我不想吃饭。 (Wǒ bù xiǎng chī fàn.) - I don't feel like eating.
  • 昨天我不想去派对。 (Zuótiān wǒ bù xiǎng qù pàiduì.) - Yesterday I didn't want to go to the party. (Even for past events, 不想 is used for the state of not wanting.)
When you need to say "I don't want [an object]" or issue a command "Don't!", you use 不要 (bú yào). Be careful not to confuse this with 不想 (bù xiǎng), which implies a preference not to perform an action.
  • 我不要这个。 (Wǒ bú yào zhège.) - I don't want this (object).
  • 不要说话！ (Bú yào shuōhuà!) - Don't talk! (A command or prohibition).
2. Indicating Inability or Lack of Skill:
不能 (bù néng) signifies a lack of physical ability, external constraint, or prohibition. 不会 (bú huì) indicates a lack of learned skill or knowledge, or it can be used for future prediction (will not).
  • 我今天不能加班。 (Wǒ jīntiān bù néng jiābān.) - I cannot work overtime today (due to some constraint).
  • 他不会游泳。 (Tā bú huì yóuyǒng.) - He doesn't know how to swim (lack of skill).
  • 我昨天不能来，因为生病了。 (Wǒ zuótiān bù néng lái, yīnwèi shēngbìng le.) - I couldn't come yesterday, because I was sick (past inability due to circumstance).
3. Denying Permission or Authorization:
不可以 (bù kěyǐ) is used to state that something is not allowed or that one does not have permission.
  • 你在这里不可以拍照。 (Nǐ zài zhèlǐ bù kěyǐ pāizhào.) - You are not allowed to take photos here.
  • 对不起，我不能给你。 (Duìbuqǐ, wǒ bù néng gěi nǐ.) - Sorry, I cannot give it to you (implying lack of permission or authority).
4. Expressing Lack of Obligation or Necessity:
For expressing that something is not necessary, you can use 不应该 (bù yīnggāi, shouldn't), 不需要 (bù xūyào, don't need), or 不用 (bú yòng, don't need to).
  • 你不需要这么做。 (Nǐ bù xūyào zhème zuò.) - You don't need to do this.
  • 你不用担心。 (Nǐ bú yòng dānxīn.) - You don't need to worry.
5. Making Negative Predictions:
不会 (bú huì) can also be used to predict that something will not happen, or that someone will not do something.
  • 明天不会下雨。 (Míngtiān bú huì xiàyǔ.) - It won't rain tomorrow.
  • 他不会同意的。 (Tā bú huì tóngyì de.) - He won't agree.
Across all these scenarios, notice the consistent use of 不 (bù). The key insight is that modal verbs describe an existing state (of desire, ability, etc.) that is either present or absent, rather than an event that is completed or not completed. This underlying semantic distinction is why 不 is the appropriate negator for these internal, subjective conditions.

Common Mistakes

Learning to correctly negate modal verbs is a significant step, and many learners, especially at the A1 level, encounter specific pitfalls due to interference from their native languages or over-generalization of other Chinese grammar rules. Recognizing these common errors and understanding their linguistic basis can prevent persistent mistakes.
1. Using 没 (méi) with Modal Verbs for Past Negation:
This is by far the most frequent mistake. Learners often default to 没 because it negates past actions (e.g., "I didn't eat"). However, modal verbs express a state or potential, not a completed action. Therefore, even when referring to the past, the negation of that state still uses 不.
  • Incorrect: 我昨天没想去。 (Wǒ zuótiān méi xiǎng qù.)
  • Correct: 我昨天不想去。 (Wǒ zuótiān bù xiǎng qù.) - I didn't want to go yesterday.
If you use 没想 (méi xiǎng), it shifts the meaning to "didn't think/realize" or "didn't expect," which is entirely different from not wanting. For example, 我没想你会来。 (Wǒ méi xiǎng nǐ huì lái.) means "I didn't expect you would come."
2. Misusing 没能 (méi néng) vs. 不能 (bù néng):
While 不能 (bù néng) is the standard negation for "can't" or "not allowed" in all contexts (present, future, past), 没能 (méi néng) does exist but has a very specific and advanced meaning. 没能 implies that someone tried but failed to achieve something in the past, or was unable due to external circumstances to complete an action that was intended. It carries a sense of regret or unfulfillment.
  • 我昨天不能去。 (Wǒ zuótiān bù néng qù.) - I couldn't go yesterday (general inability/prohibition).
  • 他虽然努力了，但最终没能完成任务。 (Tā suīrán nǔlì le, dàn zuìzhōng méi néng wánchéng rènwu.) - Although he tried hard, he ultimately failed to complete the task.
For A1 learners, stick to 不能 for all instances of "cannot" or "could not." 没能 is an advanced nuance that can lead to confusion if used incorrectly, as it implies a failed attempt rather than a simple lack of ability or permission.
3. Non-existent Negations like 没会 or 没可以:
Certain combinations of 没 with modal verbs simply do not exist in standard Chinese. 没会 (méi huì) is grammatically incorrect. To express a lack of learned skill, use 不会 (bú huì). If you mean "haven't learned yet," you would typically say 还没学会 (hái méi xué huì). Similarly, 没可以 (méi kěyǐ) is never used; permission is always negated with 不可以 (bù kěyǐ). These non-existent forms highlight the strict pairing of 不 with modal verbs.
4. Confusing 不想 (bù xiǎng) and 不要 (bú yào):
Both translate loosely to "don't want," but their usage differs significantly:
  • 不想 + Verb: Expresses a lack of desire or intention to perform an action. It's a statement of preference or mood.
  • 我不想看电影。 (Wǒ bù xiǎng kàn diànyǐng.) - I don't want to watch a movie.
  • 不要 + Noun (or used as a command): Means "don't want [an object]" or functions as a prohibition "Don't!"
  • 我不要苹果。 (Wǒ bú yào píngguǒ.) - I don't want an apple.
  • 你不要跑！ (Nǐ bú yào pǎo!) - Don't run! (A direct command).
Understanding these subtle but important distinctions will help you sound more natural and avoid miscommunications in everyday conversation. Always remember that the nature of modal verbs—expressing internal states—dictates the use of 不 as their negator, regardless of the tense implied in English.

Real Conversations

Observing how native speakers use 不 with modal verbs in everyday interactions provides practical insight beyond textbook examples. These patterns appear in various contexts, from casual chat to more formal discussions. Pay attention to how the negation of an internal state or potential action shapes the speaker's message.

1. Declining an Invitation/Offer:

- Scenario: A friend invites you out after a long day.

- Friend: 晚上我们去吃火锅，你来吗？ (Wǎnshang wǒmen qù chī huǒguō, nǐ lái ma?) - Tonight we're going to eat hotpot, are you coming?

- You: 谢谢，我今天太累了，不想出去。 (Xièxie, wǒ jīntiān tài lèi le, bù xiǎng chūqù.) - Thanks, I'm too tired today, I don't want to go out.

- Observation: Here, 不想出去 expresses a current lack of desire, a subjective feeling, not a past action's non-completion. Even if you're discussing last night's event, you'd still say 我昨天不想出去 (Wǒ zuótiān bù xiǎng chūqù) to mean you didn't feel like going.

2. Expressing Inability or Constraint:

- Scenario: You're asked to help with a task that's beyond your capability or time.

- Colleague: 这个报告你能今天完成吗？ (Zhège bàogào nǐ néng jīntiān wánchéng ma?) - Can you finish this report today?

- You: 对不起，我今天事情太多，不能完成。 (Duìbuqǐ, wǒ jīntiān shìqing tài duō, bù néng wánchéng.) - Sorry, I have too many things today, I can't finish it.

- Observation: 不能完成 conveys a present inability or constraint. It's not about failing to complete an attempt, but about the current impossibility of completion.

3. Stating Lack of Skill:

- Scenario: Someone suggests an activity requiring a specific skill.

- Friend: 你会说日语吗？ (Nǐ huì shuō Rìyǔ ma?) - Can you speak Japanese?

- You: 我不会说日语，只会说一点点英语。 (Wǒ bú huì shuō Rìyǔ, zhǐ huì shuō yīdiǎndiǎn Yīngyǔ.) - I don't know how to speak Japanese, I only know a little English.

- Observation: 不会说 clearly indicates a lack of learned ability, demonstrating the skill isn't possessed. The tone change in bú huì is natural and expected.

4. Setting Boundaries or Prohibitions:

- Scenario: A parent instructing a child.

- Parent: 天太晚了，你不能再玩游戏了。 (Tiān tài wǎn le, nǐ bù néng zài wán yóuxì le.) - It's too late, you can't play games anymore.

- Observation: 不能再玩 is a direct prohibition, stating that the action is not permitted. This is a common structure for expressing rules or denying permission.

5. Disagreeing with Advice or Suggestion:

- Scenario: You receive advice that you don't agree with.

- Friend: 我觉得你应该多休息。 (Wǒ juéde nǐ yīnggāi duō xiūxi.) - I think you should rest more.

- You: 我身体很好，不应该休息。 (Wǒ shēntǐ hěn hǎo, bù yīnggāi xiūxi.) - My body is fine, I shouldn't rest (i.e., it's not necessary or appropriate).

- Observation: 不应该休息 conveys a subjective judgment that the action is not appropriate or needed, aligning with the 不 negation of an obligation.

These examples illustrate that 不 with modal verbs is fundamental to expressing personal states, boundaries, and a range of subjective conditions in fluent Chinese. Its consistent application across different temporal contexts for modal verbs is a hallmark of natural speech.

Quick FAQ

This section addresses common questions and clarifies lingering doubts about negating modal verbs with 不 vs. 没.
Q1: Can 没 (méi) ever precede a modal verb?
A1: Generally, no, especially for A1 learners. For most modal verbs like 想 (xiǎng), 会 (huì), 可以 (kěyǐ), 要 (yào), 没 is grammatically incorrect or changes the meaning entirely. The only notable exception is 没能 (méi néng), which is an advanced structure meaning "failed to" or "was unable to (despite trying or intending to)" due to external circumstances in the past.
For example, 他没能赶上火车。 (Tā méi néng gǎn shàng huǒchē.) - He failed to catch the train. This implies an attempt was made. For simpler "couldn't" in the past, always use 不能 (bù néng).
Q2: What is the difference between 不想 (bù xiǎng) and 不要 (bú yào)?
A2: This is a crucial distinction. 不想 (bù xiǎng) means "don't want to" and is followed by a verb, expressing a lack of desire to perform an action. For instance, 我不想睡觉。 (Wǒ bù xiǎng shuìjiào.) - I don't want to sleep. 不要 (bú yào) has two main uses:
  1. 1"Don't want [an object]": 我不要咖啡。 (Wǒ bú yào kāfēi.) - I don't want coffee.
  2. 2A command or prohibition, meaning "Don't!" or "Don't [do something]!": 你不要迟到。 (Nǐ bú yào chídào.) - Don't be late. Therefore, 不想 expresses a preference, while 不要 expresses a refusal of an item or a direct command.
Q3: Does 不 (bù) always change its tone?
A3: No, 不 (bù) only changes its tone from 4th tone (bù) to 2nd tone (bú) when the character immediately following it is also a 4th tone. For instance, 不会 (bú huì) and 不要 (bú yào) show this change because 会 (huì) and 要 (yào) are both 4th tone. If the next character is 1st, 2nd, or 3rd tone, 不 retains its original 4th tone.
For example, 不想 (bù xiǎng) and 不能 (bù néng) follow this rule because 想 (xiǎng) is 3rd tone and 能 (néng) is 2nd tone. This tone change is a natural aspect of spoken Chinese for phonetic flow and should be practiced.
Q4: Why does Chinese distinguish between 不 and 没 so strictly for modal verbs?
A4: This distinction reflects a deep linguistic principle in Chinese: the difference between negating states/potentials versus completed actions/existence. Modal verbs, fundamentally, describe an internal state (like desire, ability, or obligation) that exists or does not exist at a given time. They are not actions that you "complete" or "fail to complete" in the same way you eat or go somewhere.
Because 不 is the general negator for non-volitional states, habits, or future intentions, it naturally pairs with modal verbs. 没, on the other hand, is specifically tied to the concept of completion (没做完 - didn't finish doing) or existence (没有 - don't have). By maintaining this separation, Chinese grammar provides clarity on whether you are negating an internal condition or an external event's occurrence.
Q5: If I use 不 (bù) for a past modal verb, how do I indicate it's past?
A5: You indicate the past tense through context or time words, not by changing the negator of the modal verb itself. For example:
  • 我昨天不想吃冰淇淋。 (Wǒ zuótiān bù xiǎng chī bīngqílín.) - I didn't want to eat ice cream yesterday. (The time word 昨天 (zuótiān, yesterday) clarifies the past.)
  • 那时我不会游泳。 (Nà shí wǒ bú huì yóuyǒng.) - At that time, I didn't know how to swim. (那时 (nà shí, at that time) establishes the past context.)
The modal verb's negation (不想, 不会) remains 不, as it refers to the state of not wanting or not knowing how to swim at that specific past moment.
Q6: What about verbs that can function both as main verbs and modal verbs, like 想 (xiǎng)?
A6: 想 (xiǎng) can mean "to think" (main verb) or "to want to" (modal verb). When it means "to think" or "to miss (someone/something)", it follows the regular negation rules for main verbs. So, 我没想 (Wǒ méi xiǎng) could mean "I didn't think" (a completed non-action in the past).
However, when 想 functions as a modal verb meaning "to want to," it always uses 不 for negation, regardless of tense. 我不想去 (Wǒ bù xiǎng qù) means "I don't want to go," even if referring to a past intention. Context, and whether 想 is followed by another verb, usually clarifies its role.
Mastering these nuances will significantly enhance your precision and fluency in Chinese, allowing you to express subjective states and intentions with confidence and accuracy. Remember the core principle: modal verbs describe states, and states are negated with 不.

Modal Negation Structure

Subject Negator Modal Verb Example
我
不
想
去
我不想去
他
不
会
说
他不会说
你
不
能
走
你不能走
我们
不
想
吃
我们不想吃
她
不
会
跳舞
她不会跳舞
他们
不
能
来
他们不能来

Meanings

In Chinese, modal verbs (verbs of ability, desire, or permission) are negated using the adverb {不|bù}. This rule holds true regardless of the tense.

1

Desire

Negating the intent to do something.

“我{不|bù}{想|xiǎng}{学|xué}{中文|zhōngwén}。”

“他{不|bù}{想|xiǎng}{看|kàn}{电影|diànyǐng}。”

2

Ability/Skill

Negating the capability to perform an action.

“我{不|bù}{会|huì}{开|kāi}{车|chē}。”

“她{不|bù}{能|néng}{来|lái}。”

Reference Table

Reference table for Negating Modal Verbs: `不` vs `没`
Form Structure Example
Affirmative
Subj + Modal + Verb
我想去
Negative
Subj + 不 + Modal + Verb
我不想去
Question
Subj + Modal + 不 + Modal + Verb?
你想不想去？
Past Negative
Time + Subj + 不 + Modal + Verb
昨天我不想去
Future Negative
Time + Subj + 不 + Modal + Verb
明天我不去
Ability
Subj + 不 + 会 + Verb
我不会开车

Formality Spectrum

Formal
我不愿前往。

我不愿前往。 (Declining an invitation)

Neutral
我不想去。

我不想去。 (Declining an invitation)

Informal
我不想去。

我不想去。 (Declining an invitation)

Slang
不想去啦。

不想去啦。 (Declining an invitation)

The Modal Negation Map

Negation

Desire

  • 想 want to

Ability

  • 会 know how to

Permission

  • 能 can

Bù vs Méi

Use 不 (Bù)
想 want
会 can
Use 没 (Méi)
吃 ate
去 went
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Examples by Level

1

我{不|bù}{想|xiǎng}{喝|hē}{水|shuǐ}。

I don't want to drink water.

2

他{不|bù}{会|huì}{说|shuō}{中文|zhōngwén}。

He cannot speak Chinese.

3

我{不|bù}{能|néng}{去|qù}。

I cannot go.

4

我们{不|bù}{想|xiǎng}{看|kàn}{书|shū}。

We don't want to read books.

1

昨天我{不|bù}{想|xiǎng}{吃|chī}{饭|fàn}。

Yesterday I didn't want to eat.

2

你{不|bù}{会|huì}{游泳|yóuyǒng}吗？

Can't you swim?

3

这儿{不|bù}{能|néng}{停车|tíngchē}。

You can't park here.

4

她{不|bù}{想|xiǎng}{买|mǎi}{这个|zhège}。

She doesn't want to buy this.

1

虽然很累，但我{不|bù}{想|xiǎng}{休息|xiūxi}。

Although I'm tired, I don't want to rest.

2

他{不|bù}{会|huì}{不知道|bù zhīdào}这件事。

He couldn't possibly not know about this.

3

我{不|bù}{能|néng}{再|zài}{等|děng}{了|le}。

I can't wait any longer.

4

你{不|bù}{想|xiǎng}{试一试|shì yī shì}吗？

Don't you want to try it?

1

不管你怎么说，我{不|bù}{会|huì}{改变|gǎibiàn}{主意|zhǔyì}。

No matter what you say, I won't change my mind.

2

他{不|bù}{能|néng}{不|bù}{来|lái}，这是他的工作。

He must come; it's his job.

3

我{不|bù}{想|xiǎng}{让|ràng}{你|nǐ}{失望|shīwàng}。

I don't want to let you down.

4

这台机器{不|bù}{能|néng}{用|yòng}了。

This machine cannot be used anymore.

1

若非必要，我{不|bù}{想|xiǎng}{打扰|dǎrǎo}{你|nǐ}。

If it weren't necessary, I wouldn't want to disturb you.

2

他{不|bù}{会|huì}{是|shì}{那种|nà zhǒng}{人|rén}。

He couldn't be that kind of person.

3

我们{不|bù}{能|néng}{坐视不管|zuòshìbùguǎn}。

We cannot just sit by and do nothing.

4

他{不|bù}{想|xiǎng}{承认|chéngrèn}{错误|cuòwù}。

He doesn't want to admit his mistake.

1

即便在最困难的时候，他也不曾想过放弃。

Even in the hardest times, he never thought of giving up.

2

此举{不|bù}{能|néng}{不|bù}{引起|yǐnqǐ}{关注|guānzhù}。

This action cannot fail to attract attention.

3

我{不|bù}{会|huì}{因为|yīnwèi}{这点|zhè diǎn}{小事|xiǎoshì}{而|ér}{生气|shēngqì}。

I wouldn't get angry over such a small matter.

4

无论如何，他{不|bù}{想|xiǎng}{妥协|tuǒ|tuǒxié}。

In any case, he does not want to compromise.

Easily Confused

Negating Modal Verbs: `不` vs `没` vs 不 vs 没

Learners think 没 is for past tense.

Negating Modal Verbs: `不` vs `没` vs 想 vs 要

Both mean 'want'.

Negating Modal Verbs: `不` vs `没` vs 能 vs 会

Both mean 'can'.

Common Mistakes

✗

我没想去

✓

我不想去

Modal verbs use 不, not 没.
✗

他没能来

✓

他不能来

Use 不 for ability/permission.
✗

我没会开车

✓

我不会开车

Ability is negated with 不.
✗

没想吃

✓

不想吃

Missing subject or wrong negator.
✗

昨天我没想去

✓

昨天我不想去

Time words don't change the negator for modals.
✗

我不没想去

✓

我不想去

Double negation is incorrect.
✗

他想不吃

✓

他不想吃

Negator must be before the modal.
✗

我没能想起来

✓

我不想起来

Confusing potential with ability.
✗

他没会做

✓

他不会做

Stative verb negation error.
✗

不想要去

✓

不想去

Unnecessary 'yao'.
✗

没能不来

✓

不能不来

Double negative logic error.
✗

没会说

✓

不会说

Aspectual error.
✗

不曾想过没去

✓

不曾想过不去

Negation placement.

Sentence Patterns

我___想___。

他___会___。

这儿___能___。

昨天我___想___。

Real World Usage

Texting constant

我不想去。

Ordering food very common

我不想要辣的。

Job interview common

我不会做这个。

Travel very common

我不能在这儿停车。

Social media common

不想看。

Food delivery app common

不想要餐具。

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💡

The 'State' Rule

If it's a state of mind, use 不.
⚠️

No 'Méi' with Modals

Never use 没 with 想, 会, or 能.
🎯

Past Tense

Even in the past, modals take 不.
💬

Softening

Add '不好意思' before saying no.

Smart Tips

Ignore the past tense and use 不.

我没想去 → 我不想去

Immediately think '不'.

他没会做 → 他不会做

Use '不' to be polite and clear.

我没能去 → 我不能去

Remember: Modals are states, not events.

昨天我没想吃 → 昨天我不想吃

Pronunciation

bù + qù -> bú qù

Tone change of 不

不 is usually 4th tone, but becomes 2nd tone before another 4th tone.

Question intonation

你想不想去？↑

Rising pitch at the end for questions.

Memorize It

Mnemonic

Think of {不|bù} as a 'Stop' sign for your brain's desires. If you don't want it or can't do it, put the 'Stop' sign ({不|bù}) right in front of the modal verb.

Visual Association

Imagine a giant red {不|bù} stamp falling onto a modal verb like {想|xiǎng}. The stamp blocks it instantly, preventing any action.

Rhyme

Modal verbs are easy to see, always put {不|bù} in front of me!

Story

Little Panda wants to eat bamboo. He says 'I want to eat' ({我想吃|wǒ xiǎng chī}). But then he realizes it's not ripe. He says 'I don't want to eat' ({我不想吃|wǒ bù xiǎng chī}). He tries to climb a tree but fails. He says 'I can't climb' ({我不会爬|wǒ bù huì pá}).

Word Web

想会能不没去吃

Challenge

Write down 5 things you don't want to do today using '我不想...'.

Cultural Notes

Using {不|bù} directly can sound blunt. Often softened with '不好意思' (sorry).

Very similar, but '不想' is often used even more frequently in casual speech.

Often mixed with English particles like 'lah'.

不 is an ancient character representing a bird flying upward, later used as a negation. 没 comes from 'water' (氵) + 'drown', implying something is submerged/finished.

Conversation Starters

“

你想去中国吗？

“

你会说中文吗？

“

你今天想做什么？

“

你觉得我们可以去那儿吗？

Journal Prompts

Write 3 things you don't want to do today.
Describe a skill you don't have.
Write about a place you cannot go to.
Reflect on a past decision you didn't want to make.

Common Mistakes

Incorrect

Correct

Incorrect

Correct

Incorrect

Correct

Incorrect

Correct

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Test Yourself

Choose the correct negator. Multiple Choice

我___想去。

✓ Correct! ✗ Not quite. Correct answer: 不
Modal verbs use 不.
Fill in the blank.

他___会开车。

✓ Correct! ✗ Not quite. Correct answer: 不
Ability uses 不.
Find the error. Error Correction

Find and fix the mistake:

我没想吃。(Correct it)

✓ Correct! ✗ Not quite. Correct answer: 我不想吃
Modal verbs use 不.
Reorder the sentence. Sentence Reorder

Arrange the words in the correct order:

All words placed

Click words above to build the sentence

✓ Correct! ✗ Not quite. Correct answer: 我不想去
Subject + 不 + Modal + Verb.
Translate to Chinese. Translation

I cannot go.

Answer starts with: 我不能...

✓ Correct! ✗ Not quite. Correct answer: 我不能去
Permission uses 不能.
Build a sentence. Sentence Building

Use '会' and '不'.

✓ Correct! ✗ Not quite. Correct answer: 我不会说
Correct structure.
Match the meaning. Match Pairs

Match each item on the left with its pair on the right:

✓ Correct! ✗ Not quite. Correct answer: I don't want to eat
想 = want.
Choose the correct negator. Multiple Choice

昨天我___想去。

✓ Correct! ✗ Not quite. Correct answer: 不
Time doesn't change modal negation.

Score: /8

Practice Exercises

8 exercises
Choose the correct negator. Multiple Choice

我___想去。

✓ Correct! ✗ Not quite. Correct answer: 不
Modal verbs use 不.
Fill in the blank.

他___会开车。

✓ Correct! ✗ Not quite. Correct answer: 不
Ability uses 不.
Find the error. Error Correction

Find and fix the mistake:

我没想吃。(Correct it)

✓ Correct! ✗ Not quite. Correct answer: 我不想吃
Modal verbs use 不.
Reorder the sentence. Sentence Reorder

去 / 不 / 我 / 想

✓ Correct! ✗ Not quite. Correct answer: 我不想去
Subject + 不 + Modal + Verb.
Translate to Chinese. Translation

I cannot go.

✓ Correct! ✗ Not quite. Correct answer: 我不能去
Permission uses 不能.
Build a sentence. Sentence Building

Use '会' and '不'.

✓ Correct! ✗ Not quite. Correct answer: 我不会说
Correct structure.
Match the meaning. Match Pairs

我不想吃

✓ Correct! ✗ Not quite. Correct answer: I don't want to eat
想 = want.
Choose the correct negator. Multiple Choice

昨天我___想去。

✓ Correct! ✗ Not quite. Correct answer: 不
Time doesn't change modal negation.

Score: /8

Practice Bank

10 exercises
Translate to Chinese: 'I cannot speak Chinese.' Translation

I cannot speak Chinese.

✓ Correct! ✗ Not quite. Correct answer: {我不会说中文。|Wǒ bú huì shuō Zhōngwén.}
Reorder the words to say 'You shouldn't go.' Sentence Reorder

Words: `{去|qù}`, `{不应该|bù yīnggāi}`, `{你|nǐ}`

✓ Correct! ✗ Not quite. Correct answer: {你不应该去。|Nǐ bù yīnggāi qù.}
Match the English to the Chinese negation. Match Pairs

Match these pairs:

✓ Correct! ✗ Not quite. Correct answer: Don't want to: {不想|bù xiǎng}, May not: {不可以|bù kěyǐ}, Won't / Can't: {不会|bú huì}, Shouldn't: {不应该|bù yīnggāi}
How do you say 'It won't rain'? Multiple Choice

Choose the best prediction:

✓ Correct! ✗ Not quite. Correct answer: {不会下雨。|Bú huì xià yǔ.}
Fill in the blank: 'You don't need to go.' Fill in the Blank

{你 ___ 去。|Nǐ ___ qù.}

✓ Correct! ✗ Not quite. Correct answer: {不用|bú yòng}
Find the error: 'I didn't want to buy it (past).' Error Correction

{我昨天没想买。|Wǒ zuótiān méi xiǎng mǎi.}

✓ Correct! ✗ Not quite. Correct answer: {我昨天不想买。|Wǒ zuótiān bù xiǎng mǎi.}
Translate: 'You may not enter.' Translation

You may not enter.

✓ Correct! ✗ Not quite. Correct answer: {你不可以进去。|Nǐ bù kěyǐ jìnqù.}
Which one means 'I am not able to go'? Multiple Choice

Ability negation:

✓ Correct! ✗ Not quite. Correct answer: {我不能去。|Wǒ bù néng qù.}
Complete the sentence: 'He shouldn't eat this.' Fill in the Blank

{他 ___ 吃这个。|Tā ___ chī zhège.}

✓ Correct! ✗ Not quite. Correct answer: {不应该|bù yīnggāi}
Reorder: 'I won't tell you.' Sentence Reorder

Words: `{你|nǐ}`, `{告诉|gàosù}`, `{不会|bú huì}`, `{我|wǒ}`

✓ Correct! ✗ Not quite. Correct answer: {我不会告诉你。|Wǒ bú huì gàosù nǐ.}

Score: /10

FAQ (8)

No, never. 'Méi' is for completed actions, 'xiǎng' is a state.

No. 'Yesterday I didn't want to' is still '昨天我不想'.

It changes to 2nd tone before another 4th tone.

Same rule. '不能' (cannot).

No, 'bù' is for habitual/states, 'méi' is for past/completed.

It's the most common mistake for beginners.

It's neutral and used everywhere.

Still '我不想' (Wǒ bù xiǎng).

Scaffolded Practice

1

1

2

2

3

3

4

4

Mastery Progress

Needs Practice

Improving

Strong

Mastered

Sign up free to practice

In Other Languages

Spanish moderate

No + verb

Chinese has two negators; Spanish has one.

French low

Ne...pas

French is bipartite; Chinese is monopartite.

German moderate

Nicht

German negation is based on sentence position.

Japanese partial

Nai

Suffix vs prefix.

Arabic moderate

La

Arabic changes negator by tense; Chinese modals do not.

Chinese high

不/没

N/A

Learning Path

Prerequisites

Previous
Chinese Ability Verbs: When to use 'hui' or 'neng' (会 vs 能)
Next
Asking Permission with 可以 (kěyǐ)

Learn These First

A1 Requires

Negation with 不 (bù): Saying 'Not' in Chinese

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A1 Requires

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A1

Chinese Modal Verbs: How to say 'Should' (应该 yīnggāi)

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A1

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A1

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A2

How to say 'Can' or 'Able To': 能 (néng)

Overview In Chinese, the English word "can" splinters into several distinct concepts, each conveyed by a different modal...
A1

Using 想 (xiǎng) to Say 'Want To' or 'Miss'

Overview Ever felt a gentle wish to do something, or missed someone far away? In Chinese, one super useful word covers...
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