B1 Confusable-words 23 min read 中等

But vs. However: 有什么区别？

标点符号是关键：but 用于“简短连接”，however 用于“正式转折”。
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Grammar Rule in 30 Seconds

Use 'but' to join two ideas in one sentence, and 'however' to start a new, more formal sentence.

  • Use 'but' with a comma to connect two clauses: 'I'm tired, but I'm working.'
  • Use 'however' at the start of a new sentence followed by a comma.
  • Never use 'however' as a simple replacement for 'but' between two commas.
Idea A + , but + Idea B ↔️ Idea A. However, + Idea B.

Overview

### Overview
在英语学习的进阶过程中，很多同学都会遇到这样一个“甜蜜的烦恼”：当我想要表达“但是”这个转折逻辑时，脑子里会跳出好几个单词。最常用的莫过于 but 和 however。在中文里，我们一个“但是”或“可是”就能搞定所有场景，但在英语中，这两个词虽然意思相近，其背后的“语法身份”和“社交礼仪”却大相径庭。
为什么区分它们如此重要？想象一下，如果你在给教授发邮件或者写雅思、托福作文时，通篇都是 but，文章会显得非常低龄化且缺乏逻辑层次；反之，如果你在微信（WeChat）上跟外国朋友聊天说“我明天不去喝奶茶了”，却用了一个极其正式的 however，对方可能会觉得你突然变得冷漠或者过于严肃。
理解 but 和 however 的区别，不仅是掌握标点符号的用法，更是为了让你的英语表达从“能听懂”跨越到“地道、自然”。对于处于 B1 阶段的你来说，这种对语言细微差别的掌控，正是提升沟通效率的关键。接下来，我们将从语法逻辑、句式构造、文化习惯等多个维度，为你拆解这两个词的“前世今生”。
### How This Grammar Works
要彻底搞懂这两个词，我们首先要像审视身份证一样，看看它们的“语法词性”。在英语中，词性决定了它们在句子中的“位置”和“权力”。
1. but 的身份：并列连词 (Coordinating Conjunction)
在英语语法中，有一个著名的口诀叫 FANBOYS，它代表了七个最重要的并列连词：for, and, nor, but, or, yet, so。but 就是其中的核心成员。并列连词的作用就像是一座“独木桥”，它的两头连接的是地位完全平等的两个部分（通常是两个完整的句子，或者两个短语）。
* 逻辑特征：but 建立的是一种紧密的逻辑关联。它告诉读者：“我要把这两件事放在一个秤砣上，虽然它们是相反的，但它们是一个整体。”
* 中文类比：你可以把它想象成中文里的“...，但...”。它通常不需要太长的停顿，语感上非常连贯。
2. however 的身份：连接副词 (Conjunctive Adverb)
however 的身份其实是副词，只不过它起到了“连接”的作用。它不像 but 那样是一座桥，而更像是一个“路标”。它出现在第二句话的开头（或中间），提醒读者：接下来的内容和刚才说的内容有转折关系。
* 逻辑特征：由于它是副词，它的“力道”更大，转折的意味也更浓。它通常用来连接两个在逻辑上相对独立的完整句子。它让读者在看到这个词时，先停顿一下，准备好迎接一个重要的观点转折。
* 中文类比：它更像是书面语中的“然而”或“尽管如此”。在中文写作中，我们用“然而”时，通常会起一个新句子，或者在前面加一个较长的停顿。这和 however 在英语中的逻辑地位是非常相似的。
核心差异点总结：
  • but 是“粘合剂”，把两个分句粘成一个长句；
  • however 是“转换器”，在两个句子之间建立逻辑导航。
### Formation Pattern
这是中国学生最容易出错的地方。因为中文对标点符号的要求相对宽松，我们习惯用逗号（，）一直写到底。但在英语中，but 和 however 的标点规则非常死板，一旦用错，就是严重的语法错误（Grammar Error）。
#### 1. but 的句式套路
but 的用法相对固定，主要出现在两个句子中间。最经典的结构是：
[完整句子 A] , but [完整句子 B] .
* I wanted to order takeout, but the delivery fee was too expensive.
（我想点外卖，但配送费太贵了。）
*注意：but 前面通常有一个逗号，用来分隔两个独立的主谓结构。*
如果 but 连接的不是完整的句子，而是两个形容词或短语，则通常不需要逗号：
* The coffee is hot but delicious.
（这咖啡虽烫但好喝。）
#### 2. however 的句式套路
however 的用法非常灵活，这正是它高级的地方，但也正是容易出错的地方。它主要有三种常见的出场方式：
方式 A：作为新句子的开头（最常见）
[句子 A] . However , [句子 B] .
* The library is closed for renovation. However, students can still access online resources.
（图书馆因装修关闭。然而，学生仍可访问在线资源。）
方式 B：用分号连接（非常商务、学术）
[句子 A] ; however , [句子 B] .
* The project was challenging; however, we completed it on time.
（这个项目很有挑战性；然而，我们按时完成了它。）
*在这里，分号（;）的作用相当于一个句号，但表示两句联系更紧密。*
方式 C：作为插入语（最地道、最推荐）
[句子 B 的主语] , however , [句子 B 的剩余部分] .
* The results of the study, however, were not what we expected.
（然而，这项研究的结果并不是我们所期待的。）
*这种用法通过两个逗号将 however 隔开，读起来有一种节奏感，能瞬间提升文章的层次感。*
#### 比较表：一眼看清结构差异
| 维度 | but (连词) | however (副词) |
| :--- | :--- | :--- |
| 标点配对 | 前加逗号 (Sentence, but...) | 前加句号或分号 (. However, / ; however,) |
| 位置 | 只能在两个分句中间 | 句首、句中、句尾均可 |
| 正式程度 | 中性，多用于口语和非正式写作 | 正式，多用于学术、商务和专业报告 |
| 语感 | 快速转折，逻辑连贯 | 强调转折，语气沉稳 |
### When To Use It
掌握了结构后，我们需要聊聊“语境”。在不同的生活场景中，选错词会带来不必要的违和感。
#### 1. 场景一：微信聊天或日常对话 (Informal Contexts)
在这种非正式的场合，如谈论“淘宝购物”、“周末聚会”或“地铁通勤”，请首选 but。它轻快、自然，符合日常口语的节奏。
* I'm at the subway station, but the train is delayed.
（我在地铁站呢，但车晚点了。）
*如果你在这里用 however，感觉就像是在读一份政府公报，太紧绷了。*
#### 2. 场景二：职场邮件或学术论文 (Formal Contexts)
当你需要展示专业性，或者在阐述一个严肃的逻辑转折时（比如高考英语作文、雅思考试或发给老板的进度汇报），however 是你的最佳搭档。
* We received your application. However, the position has already been filled.
（我们收到了您的申请。然而，该职位已录满。）
*使用 however 显示了你对读者的尊重，并传达了一种深思熟虑后的客观态度。*
#### 3. 场景三：对比强度的选择
* 弱转折/顺接转折用 but：当转折的内容在预料之中，或者是对前文的微调。
He is rich, but he lives a simple life.（他很富有，但生活简朴。——这是一个很自然的对比。）
* 强转折/出乎意料用 however：当后半部分的内容具有冲击力，或者是反驳之前的论点。
All the evidence pointed to him. However, the DNA test proved his innocence.（所有证据都指向他。然而，DNA检测证明了他的清白。——这是一个巨大的反转，需要用 however 来压住阵脚。）
### Common Mistakes
作为一名母语为中文的英语老师，我发现中国学生在用这两个词时，受“中式思维”影响最深的有以下三个误区：
#### 1. 逗号连接词 (The Comma Splice)
这是最经典的错误。在中文里，我们可以写：“我喜欢喝奶茶，然而我怕胖。” 于是学生很自然地翻译成：
* ❌ I like milk tea, however I am afraid of getting fat.
为什么错？ however 是副词，它没有“胶水”的功能，不能把两个句子粘在一起。如果你只用一个逗号，这个句子在英语里就“断开”了，结构上是不成立的。
怎么改？ 改用句号或者分号：
* ✅ I like milk tea. However, I am afraid of getting fat.
* ✅ I like milk tea; however, I am afraid of getting fat.
#### 2. “虽然...但是”的重复 (The Double Connection)
中文里的“虽然...但是...”是标配，但在英语中，这叫“逻辑冗余”。
* ❌ Although it was raining, but he still went out.
为什么错？ although（虽然）本身已经把转折关系交代清楚了，再加一个 but 就相当于画蛇添足。英语句子只需要一个转折逻辑词。
怎么改？ 二选一：
* ✅ Although it was raining, he still went out.
* ✅ It was raining, but he still went out.
#### 3. however 后面漏掉逗号
很多学生记得在句首用 however，但忘了它后面必须跟着一个逗号。
* ❌ However the store was closed.
为什么错？ 在句首作为转折标志时，however 需要一个语调上的停顿，这个停顿在书面上就表现为逗号。如果没有这个逗号，however 有时会被误读为“无论如何”（no matter how）的意思，比如 However hard you try...。为了避免歧义，表达“然而”时，后面必须加逗号。
* ✅ However, the store was closed.
### Contrast With Similar Patterns
除了 but 和 however，英语中还有一些表示“转折”或“让步”的词汇。为了让大家不混淆，我们做一个深度对比。
| 词汇 | 类型 | 语义侧重点 | 典型例句 |
| :--- | :--- | :--- | :--- |
| but | 并列连词 | 简单直接的转折 | I'm tired but happy. |
| however | 连接副词 | 强调逻辑转折，正式度高 | The plan, however, failed. |
| yet | 并列连词 | 带有“惊讶”或“尽管如此”的意味 | It's sunny, yet cold. |
| although | 从属连词 | 引导让步状语从句（虽然...） | Although it's late, I'll work. |
| nevertheless | 连接副词 | 极其正式，相当于“尽管如此” | It's risky; nevertheless, we'll try. |
特别提示：but vs. yet
很多 B1 级别的同学分不清这两个词。简单来说，yet 的转折程度比 but 更深，往往带有一种“反差萌”或者“出人意料”的感觉。比如：He is 80 years old, yet he runs a marathon every year.（他 80 岁了，然而他每年还跑马拉松。）这里用 yet 比用 but 更能体现那种惊叹感。
### Quick FAQ
Q1: 我能不能在句子的开头直接用 But？
A: 这是一个很有争议的问题。在传统的严格学术语法中，是不建议用 But 开头的。但在现代英语、报刊评论或文学作品中，为了强调或者让句子短小精悍，用 But 开头非常常见。对于 B1 级别的学生，在写正式作文时建议尽量避免句首 But，改用 However,；但在写邮件或口语中，完全没问题！
Q2: however 放在句中到底有什么好处？
A: 这是一个非常棒的高级技巧！把 however 放在主语后面（如：The weather, however, improved later.），可以平滑地衔接上文，不会让转折显得太突兀，同时也展示了你对句子节奏的掌控力。这在雅思作文中是非常加分的表达方式。
Q3: 为什么我在阅读时看到 however 后面没加逗号？
A: 这是一个陷阱！当 however 后面直接跟着一个形容词或副词时，它的意思不再是“然而”，而是“无论多么”。比如：However much it costs, I will buy it.（无论它多贵，我都会买。）这种情况下它是不能加逗号的。所以，一定要看清它在句子里的意思！
Q4: 中文里的“但是”位置很固定，英语里这两个词的位置真的那么重要吗？
A: 非常重要！正如我们前面提到的，位置决定了标点，标点决定了语法正确性。在英语这种“结构先行”的语言里，放错了位置不仅仅是听起来别扭，更是会产生语法硬伤。记住：but 永远在中间，而 however 是可以到处游走的“变色龙”。
希望这篇文章能帮你彻底理清 but 和 however 的纠葛。下次在写英语作文或者发工作邮件时，不妨停下来想一想：我现在是需要一座“独木桥”(but)，还是需要一个“路标”(however)？这种思考习惯，将是你迈向高阶英语学习者的重要一步！

Punctuation Patterns for Contrast

Connector Position Preceding Punctuation Following Punctuation
but
Middle of sentence
Comma (,)
None
however
Start of sentence
Period (.)
Comma (,)
however
Middle (joining clauses)
Semicolon (;)
Comma (,)
however
Middle (parenthetical)
Comma (,)
Comma (,)
but
Start of sentence (informal)
None
None

Meanings

Both words are used to introduce a statement that contrasts with or contradicts what has just been said.

1

Direct Contrast

Showing a simple difference between two facts.

“He is tall, but his brother is short.”

“The car is old. However, it is very reliable.”

2

Concession

Acknowledging a fact before introducing a surprising contrast.

“It was expensive, but worth it.”

“The plan was risky. However, they decided to proceed anyway.”

3

Interruption/Correction

Using the word to stop a flow of thought and pivot.

“But wait, there's more!”

“The results were positive. However, we must consider the margin of error.”

Reference Table

Reference table for But vs. However: 有什么区别？
特点 But However
语法角色
Coordinating Conjunction
Conjunctive Adverb
标点符号
Comma before (when joining clauses)
Semicolon before, comma after; OR Period before, comma after
语气
Informal, casual, direct
Formal, structured, strong contrast
连接对象
Two clauses within a single sentence
Two sentences or independent clauses
用途
Simple contrasts, exceptions
Significant shifts, more complex ideas
句首使用
Common informally (less so formally)
Very common, always followed by a comma

正式程度

正式
I would like to assist you; however, I am currently unavailable.

I would like to assist you; however, I am currently unavailable. (Offering assistance)

中性
I want to help, but I'm busy right now.

I want to help, but I'm busy right now. (Offering assistance)

非正式
I'd help, but I can't.

I'd help, but I can't. (Offering assistance)

俚语
Wish I could help, but nah.

Wish I could help, but nah. (Offering assistance)

But vs. However: 概念图

对比与让步

But

  • Coordinating Conjunction 连接两个独立从句。
  • Casual/Informal 用于日常口语和写作。
  • Comma Punctuation 通常前面加逗号。

However

  • Conjunctive Adverb 连接两个句子或独立从句。
  • Formal/Structured 用于更正式或学术语境。
  • Semicolon/Period Punctuation 需要特定的标点符号，如前面加分号或句号，后面加逗号。

But vs. However: 快速比较

But
I like cats, But my friend prefers dogs.
It's cheap, but the quality is low.
However
The report is due Friday; however, I'm almost done.
He tried his best. However, he still failed.

选择 But 还是 However: 流程图

1

你是否在连接两个对比的想法？

YES
继续
2

两部分都是可以独立存在的完整句子吗？

YES
进入下一步
NO
在一个从句内进行简单对比时使用 'but'。
3

你想要一种随意、直接的语气吗？

YES
使用 'but'（前面加逗号）。
NO
进入下一步
4

你需要更正式的语气，或者在两个独立想法之间进行更强的对比吗？

YES
使用 'however'（前面加分号或句号，后面加逗号）。

语境是关键！

🗣️

使用 BUT 的场景：

  • • 给朋友发短信
  • • 随意对话
  • • Netflix 字幕
  • • 快速反驳
📝

使用 HOWEVER 的场景：

  • • 求职面试
  • • 正式邮件
  • • 学术论文
  • • 演示文稿
免费注册阅读完整解释

按水平分级的例句

1

I am tall, but my sister is short.

I am tall, but my sister is short.

2

It is sunny, but it is cold.

It is sunny, but it is cold.

3

I like tea, but I hate coffee.

I like tea, but I hate coffee.

4

She is tired, but she is happy.

She is tired, but she is happy.

1

The food was good, but the service was slow.

The food was good, but the service was slow.

2

I want to go. However, I have no money.

I want to go. However, I have no money.

3

He studied hard, but he failed the test.

He studied hard, but he failed the test.

4

It was a long trip. However, it was fun.

It was a long trip. However, it was fun.

1

We arrived on time, but the meeting had already started.

We arrived on time, but the meeting had already started.

2

The company is growing. However, profits are still low.

The company is growing. However, profits are still low.

3

I've seen that movie, but I don't remember the ending.

I've seen that movie, but I don't remember the ending.

4

The app is free; however, you must pay for extra features.

The app is free; however, you must pay for extra features.

1

The research is promising, but further testing is required.

The research is promising, but further testing is required.

2

The government promised reform. However, little has changed so far.

The government promised reform. However, little has changed so far.

3

She was exhausted; however, she refused to stop running.

She was exhausted; however, she refused to stop running.

4

The design is beautiful. It is, however, very difficult to build.

The design is beautiful. It is, however, very difficult to build.

1

The policy is effective in theory, but its practical application remains problematic.

The policy is effective in theory, but its practical application remains problematic.

2

The economy is recovering. However, the unemployment rate remains stubbornly high.

The economy is recovering. However, the unemployment rate remains stubbornly high.

3

He was a brilliant scientist, but his social skills were notoriously lacking.

He was a brilliant scientist, but his social skills were notoriously lacking.

4

The evidence is compelling; however, it does not constitute absolute proof.

The evidence is compelling; however, it does not constitute absolute proof.

1

The prose is elegant, but the narrative arc feels somewhat contrived.

The prose is elegant, but the narrative arc feels somewhat contrived.

2

The treaty was signed in haste. However, the long-term implications were not fully considered.

The treaty was signed in haste. However, the long-term implications were not fully considered.

3

The system is robust; however, it is not entirely immune to sophisticated cyber-attacks.

The system is robust; however, it is not entirely immune to sophisticated cyber-attacks.

4

The protagonist is flawed, but her resilience makes her deeply sympathetic.

The protagonist is flawed, but her resilience makes her deeply sympathetic.

容易混淆

But vs. However: What's the Difference? 对比 But vs. Although

Learners try to use both in the same sentence.

But vs. However: What's the Difference? 对比 However vs. Nevertheless

They mean the same thing, but 'nevertheless' is much more formal.

But vs. However: What's the Difference? 对比 But vs. Yet

Both are FANBOYS, but 'yet' implies a sense of surprise.

常见错误

✗

I like cat but I like dog.

✓

I like cats, but I like dogs.

Missing comma and plural 's'.
✗

But I am hungry.

✓

I am hungry.

Starting a sentence with 'but' is too informal for basic writing.
✗

I am tall but, he is short.

✓

I am tall, but he is short.

Putting the comma after 'but' instead of before it.
✗

He is rich but he is sad.

✓

He is rich, but he is sad.

Missing the comma between two independent clauses.
✗

I like coffee, however I hate tea.

✓

I like coffee. However, I hate tea.

This is a comma splice. 'However' cannot join two sentences with just a comma.
✗

The car is old however it works.

✓

The car is old; however, it works.

Missing all punctuation for 'however'.
✗

I am tired however, I will go.

✓

I am tired. However, I will go.

Missing the period before 'however'.
✗

We wanted to go, however, it rained.

✓

We wanted to go; however, it rained.

Using 'however' as a coordinating conjunction (like 'but').
✗

The plan was good but, it was too expensive.

✓

The plan was good, but it was too expensive.

Incorrect comma placement after 'but'.
✗

However I tried, I failed.

✓

However hard I tried, I failed.

Using 'however' as an adverb of degree without the adjective.
✗

The results were significant, however, they were not conclusive.

✓

The results were significant; however, they were not conclusive.

Comma splice in academic writing is a major error.
✗

But, the evidence suggests otherwise.

✓

However, the evidence suggests otherwise.

Starting a formal academic sentence with 'But' followed by a comma is stylistically weak.
✗

He was however, a good man.

✓

He was, however, a good man.

Missing the first comma in a parenthetical 'however'.

句型

I like ___, but I don't like ___.

The weather was ___. However, we decided to ___.

___ is a great city; however, it is very ___.

The project, however, was ___ by the ___.

Real World Usage

Texting a friend constant

I'm coming but I'll be late!

Job Interview common

I haven't worked in retail. However, I have great people skills.

Academic Essay very common

The data is limited; however, the trend is clear.

Social Media (Twitter/X) constant

Love the new update but the UI is weird.

Ordering Food occasional

I'd like the burger, but without onions please.

Business Email very common

We received your request. However, we need more information.

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⚠️

注意你的标点符号！

想象你在写一篇重要的报告。'however' 的标点符号最容易出错！记住：前面是分号或句号，后面是逗号。"The most common error is forgetting the correct punctuation for 'however'. Remember: semicolon before and comma after, or period before and comma after."
💡

用 'But' 保持流畅

跟朋友发短信，想让对话流畅自然，'but' 就能帮你快速连接两个相反的想法。"Use 'but' when you want a smooth, quick transition between two contrasting thoughts within the same sentence. It keeps things flowing conversationally."
🎯

不确定时，分开写！

如果你不确定该用 'but' 还是 'however'，试着把句子拆成两句。如果第二句以转折开头，那 'however' 很可能是最佳选择！"If you're unsure whether to use 'but' or 'however', try breaking your sentence into two. If the second sentence starts with a contrast, 'however' is probably your best bet!"
🌍

正式与非正式的氛围

在英语的正式场合，比如商务邮件或面试中，用 'however' 会让你听起来更专业、更有文化，比直接用 'But' 开头要好。"In English-speaking professional settings (emails, reports, interviews), 'however' often sounds more educated and polished than starting a sentence with 'But'."
💡

大声读出来

写完句子后，大声读出来听听看。如果读起来很自然，带一点点停顿，用 'but' 就行。如果感觉需要更强的停顿，那就用 'however'。"Say your sentence out loud. If it sounds natural with a slight pause and a 'but', use it. If it feels like a stronger break is needed, go for 'however'."
🎯

多样化你的连接词

别老是只用 'but' 或 'however'！多试试其他的转折词，比如 'yet', 'although', 'nevertheless'，能让你的英语表达更丰富有趣！"Don't overuse 'but' or 'however'. Explore other contrast words like 'yet', 'although', 'nevertheless' to make your English more dynamic and interesting!"

Smart Tips

It is almost certainly 'However'.

I failed. ___, I will try again. → I failed. However, I will try again.

Replace 'but' with 'however' to sound more polite and competent.

I like the idea but it's too expensive. → I like the idea. However, it is slightly beyond our budget.

Put 'however' between two commas right after the subject.

But the weather was bad. → The weather, however, was bad.

Stick to 'but'. Using 'however' too much in a bar or with friends can sound a bit stiff.

I want to go. However, I am tired. → I want to go, but I'm tired.

发音

/bət/

But Stress

In normal speech, 'but' is usually unstressed and sounds like /bət/.

how-EV-er, [pause]

However Pause

There is always a slight pause after 'however' when it starts a sentence, indicated by the comma.

Contrastive Rise

I like it, ↗ but... ↘

The voice rises on the first clause and falls after 'but'.

记住它

记忆技巧

BUT is a Bridge (connects one sentence). HOWEVER is a Highway (moves you between two sentences).

视觉联想

Imagine 'but' as a small piece of tape holding two papers together. Imagine 'however' as a large signpost standing between two separate buildings.

Rhyme

Use 'but' to stay in the same place, use 'however' to start a new space.

Story

A traveler reached a river. He wanted to cross, BUT he had no boat. He looked around for hours. HOWEVER, he eventually found a bridge further downstream.

Word Web

contrastoppositetransitionpunctuationcommasemicolonformal

挑战

Write three sentences about your favorite food. Use 'but' in the first, 'however' at the start of the second, and 'however' with a semicolon in the third.

文化笔记

British speakers often use 'mind you' as an informal alternative to 'however' at the end of a sentence.

In US and UK universities, starting a sentence with 'But' is often discouraged by professors to promote a more formal 'However'.

Using 'however' in emails is seen as a way to soften bad news or a disagreement.

'But' comes from Old English 'be-utan', meaning 'outside'. 'However' is a combination of 'how' and 'ever', appearing in Middle English.

对话开场白

“

Do you prefer city life or country life? (Use 'but')

“

What is a movie you liked? (Use 'however')

“

Discuss the pros and cons of social media.

“

Argue for or against remote work.

日记主题

Write about a time you had a problem on vacation. Use 'but' at least three times.
Compare two cities you have visited. Use 'however' to show the differences in a formal way.
Write a short professional email declining a job offer. Use 'however' and 'nevertheless'.
Write a persuasive essay about climate change. Use 'however' in the middle of a sentence with commas.

常见错误

Incorrect

正确

Incorrect

正确

Incorrect

正确

Incorrect

正确

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Test Yourself

选择正确的形式来完成句子。

The concert was sold out, ___ we still managed to get tickets from a friend.

✓ Correct! ✗ Not quite. Correct answer: but
在这里，'but' 作为并列连词，连接同一个句子中的两个对比从句。不需要强烈的停顿或正式语气。
找出句子中的错误并改正。 Error Correction

Find and fix the mistake:

The restaurant was fully booked, however we found a table at a cafe nearby.

✓ Correct! ✗ Not quite. Correct answer: The restaurant was fully booked; however, we found a table at a cafe nearby.
'However' 是一个连接副词，当它连接两个独立的从句时，前面需要一个分号，后面需要一个逗号。选项 'The restaurant was fully booked, but we found a table at a cafe nearby.' 在语法上也是正确的，但它改变了词语，而指令是修正 'however' 的标点符号。
选择正确的句子。 多项选择

Choose the correct sentence:

✓ Correct! ✗ Not quite. Correct answer: I was tired; however, I finished the report.
当 'however' 在一个句子中连接两个独立从句时，它必须在前面用分号，后面用逗号。
将句子翻译成英文。 翻译

Translate into English: 'Quería ir al cine, pero tenía que trabajar.'

Answer starts with: ["I...

✓ Correct! ✗ Not quite. Correct answer: ["I wanted to go to the cinema, but I had to work.","I wanted to go to the movies, but I had to work."]
西班牙语的 'pero' 在这里直接翻译成 'but'，表示两个动作之间的简单对比。'However' 对于这种随意陈述来说会显得过于正式。

Score: /4

练习题

8 exercises
Choose the correct word to complete the sentence. 多项选择

I love swimming, ___ I don't like the ocean.

✓ Correct! ✗ Not quite. Correct answer: but
We are joining two clauses in one sentence with a comma.
Fill in the blank with 'but' or 'however'.

The exam was difficult. ___, I passed.

✓ Correct! ✗ Not quite. Correct answer: However
The word starts a new sentence and is followed by a comma.
Fix the punctuation in this sentence. Error Correction

Find and fix the mistake:

I am tired, however I will finish.

✓ Correct! ✗ Not quite. Correct answer: All of the above
The original was a comma splice. All options provide a grammatically correct fix.
Rewrite the sentence using 'however'. Sentence Transformation

It was raining, but we went to the park.

✓ Correct! ✗ Not quite. Correct answer: It was raining. However, we went to the park.
'However' needs a period before it and a comma after it.
Which word fits the punctuation? '____, the results were good.' Grammar Sorting

✓ Correct! ✗ Not quite. Correct answer: However
Only 'However' is typically followed by a comma at the start of a sentence.
Match the connector to its register. Match Pairs

1. But, 2. However, 3. Nevertheless

✓ Correct! ✗ Not quite. Correct answer: 1-Informal, 2-Neutral/Formal, 3-Very Formal
'But' is the most casual, while 'nevertheless' is the most formal.
Complete the dialogue. Dialogue Completion

A: Did you like the hotel? B: It was clean. ___, it was too noisy.

✓ Correct! ✗ Not quite. Correct answer: However
The speaker is starting a new sentence to show contrast.
Which sentence is punctuated correctly? 多项选择

Choose the correct one:

✓ Correct! ✗ Not quite. Correct answer: He is rich; however, he is unhappy.
The semicolon and comma combination is the correct way to use 'however' between clauses.

Score: /8

Practice Bank

12 exercises
选择正确的形式来完成句子。 填空

I love playing video games, ___ I'm terrible at them.

✓ Correct! ✗ Not quite. Correct answer: but
找出句子中的错误并改正。 Error Correction

The forecast predicted rain; but, the sun came out.

✓ Correct! ✗ Not quite. Correct answer: The forecast predicted rain, but the sun came out.
哪个句子语法正确？ 多项选择

Choose the correct sentence:

✓ Correct! ✗ Not quite. Correct answer: The experiment yielded unexpected results. However, we need to re-evaluate our hypothesis.
将句子翻译成英文。 翻译

Translate into English: 'Me gustaría ayudarte. Sin embargo, no tengo tiempo libre ahora.'

✓ Correct! ✗ Not quite. Correct answer: ["I would like to help you. However, I don't have free time now."]
将这些词语排列成一个正确的句子。 Sentence Reorder

Arrange these words into a sentence:

✓ Correct! ✗ Not quite. Correct answer: She wanted to eat salad, but her friend ordered pizza
匹配连接词与其对应的语法角色。 Match Pairs

Match the terms:

✓ Correct! ✗ Not quite. Correct answer: matched
选择正确的词语来完成句子。 填空

The new policy faced some opposition; ___, it was ultimately approved.

✓ Correct! ✗ Not quite. Correct answer: however
找出句子中的错误并改正。 Error Correction

We planned a picnic, however the weather turned bad.

✓ Correct! ✗ Not quite. Correct answer: We planned a picnic; however, the weather turned bad.
选择语法正确的句子。 多项选择

Select the grammatically correct sentence:

✓ Correct! ✗ Not quite. Correct answer: The flight was expensive, but it was worth it for the experience.
将句子翻译成英文。 翻译

Translate into English: 'Aunque el café estaba caliente, lo bebí rápidamente.'

✓ Correct! ✗ Not quite. Correct answer: ["Although the coffee was hot, I drank it quickly.","The coffee was hot, but I drank it quickly."]
将这些词语排列成一个正确的句子。 Sentence Reorder

Arrange these words into a sentence:

✓ Correct! ✗ Not quite. Correct answer: The team missed the deadline. However, they delivered high-quality work.
匹配句子部分以完成句意。 Match Pairs

Complete the sentences:

✓ Correct! ✗ Not quite. Correct answer: matched

Score: /12

常见问题 (8)

Yes, you can, especially in informal writing or speech. However, in very formal academic essays, it is better to use `However` or `Nevertheless`.

The comma signals a pause, showing that `however` is a transition word (conjunctive adverb) and not part of the subject or verb.

Yes, significantly. `But` is neutral and common in speech, while `however` is the standard for professional and academic writing.

Usually, no. It would be redundant. Choose the one that fits your punctuation and register.

A comma splice is when you join two full sentences with only a comma. Using `however` with just a comma (e.g., 'I'm tired, however I'm going') is a classic comma splice.

Yes! For example: 'The food was expensive. It was delicious, however.' This is common in spoken English.

If it is joining two independent clauses (full sentences), yes. If it is just joining two words (e.g., 'small but strong'), no comma is needed.

They are very similar, but `nevertheless` is even more formal and emphasizes that something happened *despite* the previous point.

Scaffolded Practice

1

1

2

2

3

3

4

4

Mastery Progress

Needs Practice

Improving

Strong

Mastered

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In Other Languages

Spanish high

pero / sin embargo

Punctuation rules for 'pero' are slightly more relaxed than for 'but'.

French moderate

mais / pourtant

French 'mais' can be used at the start of a sentence more formally than 'but'.

German high

aber / jedoch

German 'jedoch' can move around the sentence much like 'however'.

Japanese moderate

demo / shikashi

Japanese doesn't use a comma before 'demo' in the same way English uses one before 'but'.

Arabic moderate

lakin / ma'a dhalika

Arabic sentences are often much longer, using 'but' to connect multiple ideas.

Chinese moderate

danshi / ran'er

The 'Although... but...' double connector is the biggest hurdle for Chinese learners.

Learning Path

Prerequisites

Previous
Both, Either, Neither: Talking About Two Options
Next
Can: 表达能力 (Can)

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英语兔
But, however, although, though, even though, despite, in spite of, nevertheless, nonetheless, yet, while, whereas 英语转折词大总结 YouTube

But, however, although, though, even though, despite, in spite of, nevertheless, nonetheless, yet, while, whereas 英语转折词大总结

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