可以

HSK-G-6
HSK 1 词类 动词

If I know how to swim, should I say 我可以游泳 or 我会游泳?

可以 means 'allowed' or 'possible', not 'skilled'. For learned abilities, use 会: 我会游泳.

可以 answers one question: is it allowed, or is it doable? It never answers 'did I learn this?' For skills you picked up — swimming, driving, reading Chinese — Chinese reaches for 会. So 我会游泳 means 'I know how to swim.' Saying 我可以游泳 sounds like you're checking the pool rules before getting in. Talking about a real learned skill? Use 会, every single time.
Situation / PatternFormulaNaturalAvoid
You know how to do itSubj + 会 + Verb我会游泳。我可以游泳。
Someone allows itSubj + 可以 + Verb晚上可以打游戏。晚上会打游戏。(reads as 'will play')
Asking if it's allowed可以 + Verb + 吗?我可以进来吗?我会进来吗?

Does it matter where 不 goes when I negate 可以?

Put 不 after 可以 to say you're free to skip something; put it before 可以 and you're banned.

Word order does all the work here. 我可以不去 means the choice is yours — you're allowed to skip it. 我不可以去 means the door is shut — someone says no, or a rule says no. Learners translate 'I can't go', land on 我不可以去, and accidentally sound like they've been grounded. If it's traffic, rain, or a broken leg blocking you, use 不能 instead.
Situation / PatternFormulaNaturalAvoid
You're free to skip it可以 + 不 + Verb你们去吧,我可以不去。我可以不去你们就不许去。
A rule or person bans it不 + 可以 + Verb今晚不可以出去。今晚可以不出去。(means 'may stay in')
Circumstances block you不 + 能 + Verb车坏了,我不能去。车坏了,我不可以去。

When I want to offer help, does 我可以帮你吗 sound natural?

可以帮你吗 sounds like you're asking permission. Real offers come as 要我帮你吗 or 我来帮你.

English 'Can I help you?' is an offer. The Chinese 我可以帮你吗 is a permission request — you're asking whether you're allowed to help. On a relaxed day it passes, but it can land as hesitant, like you're waiting for a manager to approve you. Real offers hand the choice to the other person: 要我帮你吗? 需要帮忙吗? or just 我来帮你。 Shop staff do use 可以, but only inside the fixed line 有什么可以帮您的吗。
Situation / PatternFormulaNaturalAvoid
Offering help to a friend要我 + Verb + 吗?要我帮你带杯咖啡吗?我可以帮你带杯咖啡吗?
Just stepping in to help我 + 来 + Verb我来帮你拿。我可以帮你拿吗?
Staff greeting a customer有什么可以帮您的吗?有什么可以帮您的吗?我可以帮你吗?

Can I use 能 instead of 可以 when asking for permission?

可以 you can. 可以 is the safe default for permission; 能 can drift into 'is it physically possible?'

Both words are correct, but they lean different ways. 可以进来吗? asks a person for a yes — may I come in? 能进来吗? can sound like you're testing whether entry is physically possible, as if the door might be welded shut. When you need a human to approve something, 可以 is the safer pick. Also note that 不能 usually means circumstances won't let you, while 不可以 sounds more like a rule or a refusal.
Situation / PatternFormulaNaturalAvoid
Asking a person for a yes可以 + Verb + 吗?我可以坐这儿吗?我能坐这儿吗?(passable, but fuzzier)
Circumstances block you不 + 能 + Verb堵车了,我不能按时到。堵车了,我不可以按时到。
Rules forbid it不 + 可以 + Verb这儿不可以抽烟。这儿不能抽烟。(softer, less like a rule)

Appears in Stories 9 stories

《哪里哪里!》 Where is 'Where'?
HSK 1 ~6 min read 432 chars
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Chat about where friends study Chinese while exploring 哪儿 and 哪里 across Beijing and Shanghai. Practice asking “where”, talking about “here” and “there”, and using the modest reply 哪里哪里 to accept a compliment.

  • 说“哪里”就可以。

    You can just say 'nǎlǐ'.

  • “哪儿”也可以。

    'Nǎr' works too.

  • ,也可以说“哪儿!

    …and I can also say, 'Nǎr!'

《星期七》 The Week Without Seven
HSK 1 ~2 min read 82 chars
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Before you read, try clapping the rhythm. This poem introduces the days of the week and a fun secret: Chinese has two names for Sunday, but no 'Week Seven'!

  • 星期天,星期日,两个名字都可以。

    Sunday—both 星期天 and 星期日 are acceptable names.

  • 你想知道星期几,可以问他星期几。

    If you want to know what day of the week it is, you can ask him.

《你喜欢看老电影吗?》 Do You Like Old Movies?
HSK 2 ~3 min read 224 chars
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In this dialogue, two people chat while waiting outside a cinema. You'll hear common phrases for talking about hobbies, sports, and movie preferences.

  • A:可以问你几个问题吗?

    A: Can I ask you a few questions?

  • B:可以,请说。

    B: Sure, go ahead.

《友好的高友朋》 A Friendly New Friend at Work
HSK 2 ~4 min read 243 chars
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Meet Gao Youpeng, a friendly Beijing coworker who welcomes the narrator with local dishes and a simple language-exchange plan. This warm HSK 2 story is perfect for first readings about work and friendship.

  • 他说周六可以教我做几个北京菜。

    He said he can teach me to make a few Beijing dishes on Saturday.

  • 高友朋的英语不好,我想我可以和他一起学习。

    Gao Youpeng's English isn't very good, so I think I can study with him.

《这还是茶馆儿吗?》 Teahouse or Cinema?
HSK 3 ~3 min read 325 chars
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Ever wondered where old Beijing's tea-drinking culture has gone? Follow a visitor discovering why locals now avoid famous tea houses—and practice expressing surprise and comparisons in Chinese along the way.

  • 可现在的茶馆虽然还是可以喝茶,但是去那儿的人大多不是老北京。

    But although you can still drink tea at teahouses today, most people who go there are not old Beijingers.

  • 因为在那儿可以一边喝茶,一边看表演,看唱歌、跳舞什么的。

    Because there you can drink tea while watching performances—singing, dancing, and so on.

《一二三(2)》 Counting Days and Rhymes
HSK 1 ~2 min read 84 chars
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This playful poem turns numbers into a rhythm of daily life. As you read, practice counting, days of the week, and common time words in a fun, memorable way.

  • 零百千万亿,可以医椅衣。

    Zero, hundred, thousand, ten thousand, hundred million — [the sound yī] can be 'heal,' 'chair,' or 'clothes.'

《你好和再见》 Hello and Goodbye
HSK 1 ~1 min read 46 chars
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Before you start learning Chinese, master the most important phrases: greetings. This short dialogue shows you how to say hello and goodbye, and how to respond politely.

  • 不好意思,也可以。

    Sorry also works.

《谢谢您请》 The Day 'Please' Stayed Home
HSK 1 ~2 min read 132 chars
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Everyday greetings are a gateway to natural Chinese. Practice time-based hellos like “早上好” and “晚安,” learn to address teachers with the respectful “您,” and see how families skip formalities to speak warmly at home.

  • 家人、朋友关系好,“谢谢”、“您”、“请”太客气,在家说话不客气,可以不说“您和请”。

    With family and close friends, 'thank you,' '您,' and 'please' are too formal. At home, people speak informally, so you don't have to say '您' or 'please'.

《时间和时候(1)卖车看电影》 Yesterday, Today, and Tomorrow
HSK 1 ~2 min read 146 chars
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Follow a day from waking at six-thirty to coming home at eight, then leap across days, months, and years. This simple story helps you practice speaking about routines and life changes with clear time words.

  • 后年可以买新房。

    The year after next, I can buy a new house.

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