Grammar Rule in 30 Seconds
Use 'may' and 'might' to talk about things that are possible but not certain in the present or future.
- Use 'may' for a 50% chance of something happening: 'It may rain.'
- Use 'might' for a lower chance (30%) or more doubt: 'I might win.'
- Never add 's', 'ed', or 'ing' to these verbs; they never change.
- Always use the base verb after them without 'to': 'She might come' (not 'to come').
Overview
may 和 might。may 或 might 则能展现出一种严谨、客观且有礼貌的态度。它们能帮助你从简单的陈述句（Facts）跨越到推测与假设（Speculation and Hypothesis）的领域，这正是 B1 级别学习者走向流利表达的必经之路。might 最初是 may 的过去式，但在现代英语的实际应用中，这种界限已经变得模糊。对于中级学习者来说，理解它们在表达“现在”和“将来”可能性时的微妙差别，以及它们在特定句式（如虚拟语气或间接引语）中的固定用法，是提升语感的关键。本指南将带你深入剖析这两个词的方方面面，并针对中文母语者的思维习惯，扫除学习过程中的盲点。may 和 might 的运作方式，我们首先要对比一下中文和英文在表达“可能性”时的结构差异。- “他可能在开会。”（“可能”是副词，修饰“在开会”）
- “明天也许会下雨。”（“也许”修饰“下雨”）
may 和 might 被归类为 Modal Auxiliary Verbs（情态助动词）。这意味着它们的运作规则与普通动词（如 eat, work）完全不同：- 1无词形变化：这是中文母语者的福音！无论主语是
I,You, 还是He/She/It，may和might的形式永远不变。你不需要像普通动词那样加-s。例如：He may know the answer.（不能说*He mays...）。 - 2直接加动词原形：它们后面必须紧跟动词的 Base Form（原形），且不需要
to。这一点非常像中文的“能”、“会”。例如：It might rain.（它可能会下雨）。 - 3否定与疑问的特殊性：在变否定句时，不需要借助
do/does/did，直接在后面加not即可。在变疑问句时，直接将它们提前（尽管might用于疑问句在现代英语中较少见）。
may 和 might 可以互换，但它们在“确定性”的刻度尺上位置略有不同：May：通常表示大约 50% 的可能性。语气较正式。如果你觉得某事发生的概率是一半一半，用may很合适。Might：通常表示大约 30-40% 的可能性，即“可能性更小”或“更不确定”。它给人一种“我也只是猜测，把握不大”的感觉。
It may rain.；如果你只是看到几朵灰云，不确定会不会下雨，你会说 It might rain.。Subject + may / might + Verb (Base Form)The package may arrive today. |We might see him at the party. |The plan might change. |Subject + may not / might not + Verb (Base Form)mayn't 或 mightn't），建议始终写成两个词，这会让你的表达更清晰、更正式。He may not be in his office.(他可能不在办公室。)They might not like the idea.(他们也许不喜欢这个主意。)
Subject + may / might + have + Past Participle (V-ed)I can't find my keys. I might have left them in the taxi.(我找不到钥匙了。我可能把它们忘在出租车上了。)She didn't answer. She may have been asleep.(她没接电话。她当时可能睡着了。)
Subject + may / might + be + Verb-ingDon't call him now. He might be having a meeting.(现在别给他打电话。他可能正在开会。)They may be waiting for us at the subway station.(他们可能正在地铁站等我们。)
Subject + may / might + be + Past Participle (V-ed)The meeting might be cancelled due to the typhoon.(会议可能会因为台风而取消。)This problem may be solved easily.(这个问题可能会被轻松解决。)
may/might。We might go to Japan for the Spring Festival.(春节我们可能会去日本。)The price of milk tea may rise next month.(奶茶的价格下个月可能会上涨。)
He might be in the pantry.(他可能在茶水间。)She may be busy with the Taobao shopping festival.(她可能正忙着淘宝购物节。)
might 的一个高级用法。相比于 should（应该）或 must（必须），might 能让你的建议听起来非常客气，不带强迫感。这在职场邮件中非常有用。You might want to check the data again.(你或许想再检查一下数据。—— 这比You should check...听起来更舒服。)We might consider hiring a part-time assistant.(我们或许可以考虑雇一个兼职助理。)
may)may 在正式场合请求许可的用法。这比 can 更显教养。May I come in?(我可以进来吗？)You may leave the room now.(你现在可以离开房间了。)
might 替换 may，除非是在极度谦卑或老派的文学作品中。may 通常要变成 might。- 直述：
He said,I may arrive late.
- 转述：
He said that he might arrive late.
may 和 might 时常掉进以下几个坑：to- 错误：
*It may to rain tomorrow.* - 正确：
It may rain tomorrow. - 原因分析：很多同学受到
want to或plan to的影响，习惯性地在动词之间加to。请记住，may/might是助动词，它们和后面的动词是“合体”关系，中间不能有任何阻碍。
-s- 错误：
*She mights know him.* - 正确：
She might know him. - 原因分析：这是典型的“过度概括”错误。虽然一般现在时要加
-s，但情态动词是英语里的“特权阶层”，它们拒绝任何形式的词尾变化。
maybe (副词) 和 may be (动词短语)- 错误：
*He maybe late.* - 正确：
He may be late.或Maybe he is late. - 原因分析：这是中文母语者最容易犯的错。在中文里，“可能”既可以当副词也可以当动词。但在英语里，
Maybe是一个副词，通常放在句首；而may be是“情态动词 + 连系动词”，充当句子的谓语。 - 口诀：句首用
Maybe，主语后用may be。
may not 表达“禁止”- 错误场景：你想告诉别人这里禁止抽烟。
- 错误：
*You may not smoke here.*(这听起来像是“你可能不在这里抽烟”，而不是禁止。) - 正确：
You must not smoke here.或You cannot smoke here. - 原因分析：虽然在极正式的许可语境下
may not可以表示不准，但在表达可能性的语境中，它只表示“可能不”。要表达强烈的禁止，请使用must not。
may/might 与其他表达可能性的词进行对比。May/Might vs. Can/CouldMay/Might | Can/Could |It may rain. (天阴了，推测会下雨) | It can be very cold in Harbin. (哈尔滨理论上可以很冷，这是事实) |It will rain. | 肯定会下雨。 |It must be raining. | 肯定在下雨（基于证据）。 |It may rain. | 可能会下雨。 |It might rain. | 也许会下雨吧（不太确定）。 |It won't rain. | 不会下雨。 |May/Might vs. Must (推测用法)He must be at home.(他一定在家。—— 你看到他家灯亮着)He might be at home.(他可能在家。—— 你只是瞎猜，没有任何证据)
might 真的只能表示比 may 更小的可能性吗？might，而美国人两者都用。如果你不确定用哪个，用 might 通常是最保险的，因为它听起来更委婉。但在正式写作中，如果你觉得把握稍大一点，用 may 会显得更专业。Might you...? 这种表达？Do you think...? 或 Is it possible that...?。例如：Do you think it might rain? 比 Might it rain? 要自然得多。may not 和 might not 有缩写吗？mayn't 和 mightn't，但即便是在母语人士的日常对话中，你也几乎听不到它们。它们听起来非常像 19 世纪小说里的对白。在考试和日常交流中，请务必坚持使用完整的两个单词。I might as well...，这是什么意思？
might as well 意思是“既然没别的好事，不妨就...”。例如：The movie is sold out. We might as well go home. (电影票卖完了，我们不妨回家吧。) 这里的 might 已经不是单纯表示可能性了，而是一种无奈的建议。may 和 might 的过程，其实是学习如何用英语进行“批判性思维”的过程。不要害怕不确定性，学会拥抱 might 带来的委婉和严谨。下次在微信上和外国同事沟通进度时，试着把 I will finish it 改成 I might be able to finish it by 5 PM（如果你不百分之百确定的话），你会发现这种表达方式让你显得更加专业且靠谱！2. Negative Contractions
| Full Form | Contraction | Usage Note |
|---|---|---|
|
may not
|
n/a
|
Almost never contracted.
|
|
might not
|
mightn't
|
Rare, mostly used in British English.
|
Modal Verb Conjugation (No Change)
| Subject | Modal | Base Verb | Example |
|---|---|---|---|
|
I
|
may / might
|
go
|
I might go.
|
|
You
|
may / might
|
go
|
You might go.
|
|
He/She/It
|
may / might
|
go
|
She might go.
|
|
We
|
may / might
|
go
|
We might go.
|
|
They
|
may / might
|
go
|
They might go.
|
Meanings
Modal verbs used to express that an event or state is possible, though not guaranteed, or to request permission in formal settings.
Possibility
To say that something is possible now or in the future.
“It may be true.”
“They might arrive late.”
Formal Permission
To ask for or give permission in a very polite or official way.
“May I use your phone?”
“You may begin the exam now.”
Past Speculation
Using 'have + past participle' to guess about what happened in the past.
“She might have forgotten.”
“He may have missed the bus.”
Reference Table
| 用法场景 | 使用 May | 使用 Might | 可能性程度 |
|---|---|---|---|
|
现在/未来的可能性
|
She `may` arrive soon.
|
She `might` arrive soon.
|
中等偏低
|
|
对过去的推测
|
They `may have` left.
|
They `might have` left.
|
中等偏低
|
|
委婉的建议
|
—
|
You `might want` to try this.
|
微妙/礼貌
|
|
正式的许可
|
You `may` enter.
|
—
|
高（用于准许）
|
|
否定的可能性
|
He `may not` agree.
|
He `might not` agree.
|
中等偏低
|
|
间接引语
|
He said he `may` go.
|
He said he `might` go.
|
视语境而定
|
正式程度
May I enter the office? (Entering a space)
Can I come in? (Entering a space)
Is it okay if I come in? (Entering a space)
Mind if I crash? (Entering a space)
May & Might: 表达可能性
May
- 较高概率 It may rain.
- 正式许可 You may leave.
- 礼貌提议 May I help you?
Might
- 较低概率 It might rain.
- 礼貌建议 You might try this.
- 条件句 If I go, I might see him.
过去的可能性
- May Have + V3 He may have called.
- Might Have + V3 She might have known.
共同点
- 动词原形 Always follow with base form.
- 不加 'to' Never use 'to' after them.
May vs. Might: 可能性等级
如何选择 May 或 Might
你在讨论可能性/概率吗？
你需要听起来非常正式或给予许可吗？
可能性是否较低，或者是一个温柔的建议？
是过去的可能性吗？
现代语境中的 May & Might
发短信/聊天
- • I might be late.
- • We may just order pizza.
- • She might not reply soon.
工作/学习
- • The report may be due Friday.
- • We might need more data.
- • He may have missed the meeting.
社交计划
- • They might join us later.
- • I may try that new cafe.
- • We might not go if it rains.
猜测推断
- • It may be a good idea.
- • He might be right about that.
- • They may have seen something.
按水平分级的例句
I might go to the shop.
Maybe I will go to the shop.
It may rain today.
Maybe it will rain today.
She might be late.
Maybe she is late.
May I sit here?
Is it okay if I sit here?
We might not watch the movie.
It is possible we won't watch it.
He may come to the party.
There is a good chance he will come.
You may use my pen.
I give you permission to use my pen.
They might have a dog.
Perhaps they have a dog.
If I finish early, I might join you.
I'll join you if I have time, but I'm not sure.
The results may be available tomorrow.
It's likely the results will be ready.
Might I suggest a different color?
I want to politely suggest a change.
It might not be as easy as it looks.
There is a possibility of difficulty.
She might have missed the train.
I'm guessing she missed the train in the past.
This discovery may lead to new treatments.
This could potentially cause new treatments.
You might want to check the oil.
I am suggesting you check the oil.
He said that he might be late.
He mentioned the possibility of being late.
The policy may well be revised next year.
It is very likely the policy will change.
You might at least say thank you!
I am criticizing you for not saying thank you.
Be that as it may, we must proceed.
Even if that is true, we have to continue.
They might have been joking, but I'm not sure.
It's possible their past intent was humor.
Try as he might, he could not open the door.
No matter how hard he tried, he failed.
May you find the peace you seek.
I hope you find peace.
The defendant may not have been present at the scene.
It is possible the defendant was elsewhere.
It might behoove you to listen more closely.
It would be advantageous for you to listen.
容易混淆
Learners use 'can' for everything. They forget 'may' is for formal permission.
'May not' is a possibility of 'no', while 'must not' is a strong prohibition.
'Maybe' is an adverb (one word); 'may be' is a verb phrase (two words).
常见错误
I might to go.
I might go.
He mays come.
He may come.
I don't might go.
I might not go.
Might you help me?
Can you help me? / May I help you?
It may not be true (meaning it's impossible).
It cannot be true.
I might will go.
I might go.
He might has forgotten.
He might have forgotten.
句型
I might ___ if I have time.
It may ___ later, so take an umbrella.
May I ___?
That might not be ___.
Real World Usage
I might be 5 mins late!
My skills may be a good fit for this role.
It may rain in the afternoon.
The evidence may suggest a correlation.
May I have the dressing on the side?
Might delete this later, idk.
提建议时更委婉
You might want to consider this听起来更像是在商量，而不是命令。
别在后面加 to
may go，千万别说 may to go。语境才是关键
You might try the blue one.
口语中没那么纠结
I might see you later.
Smart Tips
Use 'might' instead of 'maybe'. Instead of 'Maybe I'll go', say 'I might go'.
Use 'may' to express possibilities to sound more professional.
Remember it's almost always about permission, not a guess.
Just remember: Modals are 'lazy' verbs—they never change their clothes!
发音
The silent 'gh'
In 'might', the 'gh' is completely silent. It sounds exactly like 'mite'.
Weak 'may'
In fast speech, 'may' is often very short and unstressed.
Rising Intonation for Permission
May I? ↗
Conveys politeness and waiting for an answer.
Falling Intonation for Possibility
It might rain. ↘
Conveys a statement of opinion or guess.
记住它
记忆技巧
MIGHT is for a SLIGHT chance; MAY is for a DAY when it's more likely.
视觉联想
Imagine a weather forecast. 'May' is a gray cloud with a few drops. 'Might' is a tiny cloud far away in the corner of the screen.
Rhyme
When you're not sure and want to say 'maybe', Use 'might' for a chance that's small and hazy.
Story
A detective is looking at a crime scene. He says, 'The thief MAY be local (50% sure), but he MIGHT be from another city (30% sure). He MAY NOT have left any prints.'
Word Web
挑战
Look out your window. Write three things that MIGHT happen in the next 10 minutes (e.g., A car might drive past).
文化笔记
British speakers use 'might' much more frequently than Americans to sound 'polite' or 'indirect'. It is a form of social hedging.
In the US, 'may' is often reserved for very formal situations or written signs. In speech, 'might' or 'maybe' is preferred.
In some Southern dialects, you might hear 'double modals' like 'might could', though this is non-standard.
From Old English 'magan' (to be able, to have power).
对话开场白
What might you do if you won the lottery?
Where may we see the most change in technology in 10 years?
May I ask what your plans are for the weekend?
What might happen if humans lived on Mars?
日记主题
常见错误
Test Yourself
She ___ be at the library right now, I'm not sure.
Find and fix the mistake:
They might to forget about our meeting.
Choose the correct sentence:
Translate into English: '明天可能会下雨。'
Answer starts with: ["I...
Score: /4
练习题
8 exercises___ I borrow your umbrella, please?
It ___ rain later, so don't forget your coat.
Find and fix the mistake:
She mights be at home.
Perhaps he is busy.
A: Are you coming to the party? B: I'm not sure. I ___.
You can use 'might' to ask for permission in a casual way.
Identify the possibility sentence.
May I? / It might.
Score: /8
Practice Bank
12 exercisesI ___ not be able to join the call, my internet is unstable.
She might to call you later.
哪个句子是正确的？
翻译：'他可能已经离开了。'
将单词排列成句：
将情态动词与其对应的用法描述匹配。
If you don't take an umbrella, you ___ get wet.
The meeting might starts at 10 AM.
选择正确的句子：
翻译：'她可能不知道答案。'
将单词排列成句：
将形式与其主要含义匹配。
Score: /12
常见问题 (8)
In most cases, they are interchangeable. However, `may` is slightly more formal and suggests a higher probability (50%), while `might` is more common in speech and suggests a lower probability (30%).
Yes, but it is very rare, especially in American English. It's better to say `might not`.
Historically, yes. In modern English, we use `might` to talk about the present and future. We only use it as a past tense in reported speech (e.g., 'He said he might come').
Modal verbs like `may` and `might` are followed by the 'bare infinitive' (the verb without 'to'). This is a strict rule in English grammar.
Use `May I` in formal situations, like with a teacher, a boss, or someone you don't know well. Use `Can I` with friends and family.
It can! In formal signs, `You may not...` means it is forbidden. In a guess, `It may not rain` means it's possible it won't rain. Context is key.
You can, but it sounds extremely formal or old-fashioned. `Might I ask a question?` is something you might hear in a very formal debate.
To talk about the past, we use `might have + past participle`. For example: `He might have forgotten`.
Scaffolded Practice
1
2
3
4
Mastery Progress
Needs Practice
Improving
Strong
Mastered
In Other Languages
puede que + subjunctive
English doesn't have a subjunctive mood for this; it just changes the modal verb.
il se peut que / pouvoir
English 'might' is more common in speech than the French equivalent 'il se pourrait que'.
könnte / mag
German modals conjugate for person, whereas English ones do not.
kamoshirenai (かもしれない)
In English, the modal comes before the verb; in Japanese, it comes after.
yumkin (يمكن) / qad (قد)
Arabic 'qad' can also mean 'already' if used with a past-tense verb, which is confusing for learners.
kěnéng (可能)
Chinese doesn't distinguish between 'may' and 'might' in terms of probability levels.
Learning Path
Prerequisites
Learn These First
Continue With
相关视频
Related Grammar Rules
第一条件句：Unless = If Not
你有没有试过向朋友解释，你肯定会去参加他们的乔迁派对，但前提是你的老板不让你加班？你可以说，`I will come if I don't have...
零条件句：习惯与日常
Overview 有没有注意过，太阳一下山你的手机就自动切换成深色模式？或者你一点开 Netflix 大脑就立刻想吃零食？这就是 Zero Cond...
Can: 表达能力 (Can)
Overview 你会做后空翻吗？或者哪怕只是烤出个还凑合的酸种面包？不管怎样，你都会用到 `can`。这个小词在英语里简直就是终极超...
混合条件句：过去的行为，现在的结果 (Type 2)
### Overview 混合条件句（Mixed Conditionals）是英语语法中一种非常高级的表达方式，它能让你在不同时间维度之间建立假设性联...
Suppose & Supposing: '假如'游戏
### Overview 在英语语法中，`suppose` 和 `supposing` 充当着特殊的“条件连词”角色，它们邀请听者参与到一场“思想实验”中。虽...
