Grammar Rule in 30 Seconds
Compound nouns act as a single unit; remember to stress the first word to distinguish them from descriptive phrases.
- Stress the first word: 'WHITEhouse' (building) vs 'white HOUSE' (color).
- The first noun acts as an adjective and is usually singular: 'toothbrush' not 'teethbrush'.
- Structure can be open (bus stop), closed (keyboard), or hyphenated (mother-in-law).
Overview
website 而不是 a site on the web，说 credit card 而不是 a card for credit。这种将两个或多个单词组合成一个新语义单位的过程，就是复合名词的核心。- 闭合式 (Closed Compounds): 两个单词完全融合为一个。例如：
keyboard（键盘）、sunrise（日出）、background（背景）。这类词通常出现时间较长，已经成为了大众完全接受的单一词汇。就像中文里的“黑板”，我们不会把它拆开看。 - 连字号式 (Hyphenated Compounds): 用短横线连接。例如：
mother-in-law（婆婆/岳母）、check-in（办理入住）、six-pack（六块腹肌）。连字号像是一种“视觉胶水”，提醒读者这几个词要一起读、一起理解。 - 开放式 (Open Compounds): 虽然中间有空格，但它们依然是一个名词。例如：
post office（邮局）、ice cream（冰淇淋）、high school（高中）。这是最让中国学生困惑的形式，因为它们看起来像“形容词+名词”，但实际上它们是一个独立的专有名词。
BLACKbird | BLACK-bird | 乌鸫（一种特定的鸟） | black BIRD | black-BIRD | 一只黑色的鸟（任何品种） |GREENhouse | GREEN-house | 温室/花房 | green HOUSE | green-HOUSE | 绿颜色的房子 |WHITE House | WHITE-House | 白宫（美国总统官邸） | white HOUSE | white-HOUSE | 任何白色的房子 |DARKroom | DARK-room | 暗房（冲洗照片用） | dark ROOM | dark-ROOM | 一个光线很暗的房间 |post office 时把重音放在 office 上，听起来就会显得非常生硬。记住：前重后轻是复合名词的灵魂。bookshop, toothpaste, water tank | 前者说明后者的用途或材料（书店、牙膏） |software, full moon, blackberry | 两者融合形成特定概念（软件、黑莓） |washing machine, swimming pool | 前者说明后者的功能（洗衣机、游泳池） |sunrise, haircut, finger-pointing | 名词是动作的对象或发出者（日出、理发） |check-out, breakdown, take-off | 动词短语名词化（退房、故障、起飞） |overcoat, underworld, input | 表示位置或方向（外套、地下社会、输入） |spoonful, court martial | 这种模式较少，通常受法语影响（一匙之量） |livestream（直播）、screenshot（截屏）。你会发现，这些新词几乎都遵循“名词+名词”或“名词+动词”的简单逻辑。- 1命名既定概念： 当一个事物已经有了专门的复合名词时，直接使用它。比如在办公室，如果你说
the machine that makes copies of paper，别人会觉得你英语水平一般；如果你说photocopier或copy machine，这才是职场应有的专业度。 - 2追求表达的高效： 复合名词能用两三个词表达一句话的信息量。在雅思写作中，使用
carbon footprint（碳足迹）比解释the amount of carbon dioxide released into the atmosphere by a person要高级得多。 - 3区分“属性”与“本质”： 就像前面提到的
GREENhouse例子，使用复合名词能准确传达你的意图。如果你在微信朋友圈发一张在花房的照片，配文应该是In the greenhouse。如果你写In the green house，朋友们可能会问你：“这房子哪儿绿了？”
bus stop，很多同学会读成 bus STOP。这在听力理解中可能会产生歧义。请记住：复合名词重音在前。s 应该加在“中心词”上，而不是简单地加在末尾。这是高考和四六级常考的陷阱。- 错误：
sister-in-laws(×) - 正确：
sisters-in-law(√) —— 因为核心是“姐姐/妹妹”，而不是“法律”。 - 错误：
passer-bys(×) - 正确：
passers-by(√) —— 核心是“路人”。
of 结构 (The Of Trap)of。比如：- 中式英语：
The door of the car(虽然语法没错，但略显啰嗦) - 地道英语：
The car door(简洁明了)
of。a SMARTphone (智能手机，特定产品) | a smart CHILD (一个聪明的孩子，描述属性) |a PAPERback (平装本图书) | a paper BAG (一个纸做的袋子) |bedroom）。新出现的词倾向于分开写（如 social media）。如果不确定，加连字号通常是最稳妥的折中方案，或者查阅最新的牛津/朗文词典。-ing 开头的表示用途的词，虽然现在也倾向于重读第一个词，但在传统发音中，swimming POOL 或 washing MACHINE 的重音有时在后面。此外，街道名称如 Main STREET 重音在后面。但作为 B2 级别的准则，记住“重音在前”能解决你 95% 的发音问题。state-of-the-art（最先进的）、mother-in-law（婆婆）。甚至可以更长，比如 merry-go-round（旋转木马）。无论多长，它们在句子里都只充当一个名词的角色，作主语或宾语。social media）或者下外卖订单（take-out order）时，试着去观察这些词的结构和重音，你会发现英语的逻辑美感就在其中。Compound Noun Structures
| Type | Structure | Example | Stress Pattern |
|---|---|---|---|
|
Noun + Noun
|
Noun 1 + Noun 2
|
Water bottle
|
Stress on 'Water'
|
|
Gerund + Noun
|
Verb-ing + Noun
|
Swimming pool
|
Stress on 'Swimming'
|
|
Noun + Verb
|
Noun + Verb
|
Rainfall
|
Stress on 'Rain'
|
|
Verb + Noun
|
Verb + Noun
|
Breakfast
|
Stress on 'Break'
|
|
Adjective + Noun
|
Adj + Noun
|
Software
|
Stress on 'Soft'
|
|
Noun + Preposition
|
Noun + Prep + Noun
|
Mother-in-law
|
Stress on 'Mother'
|
Meanings
A compound noun is a fixed expression made up of two or more words that function as a single noun with a specific meaning often different from the individual parts.
Noun + Noun
The most common form where the first noun modifies the second, defining its purpose or material.
“I need a new coffee cup.”
“The water bottle is empty.”
Gerund (-ing) + Noun
A verb form ending in -ing used to describe the purpose of the noun.
“Where is my shaving cream?”
“We sat in the waiting room for hours.”
Noun + Prepositional Phrase
Complex compounds often used for family relationships or legal roles.
“My brother-in-law is coming over.”
“The editor-in-chief resigned today.”
Reference Table
| 类型 | 例子 | 意思 | 重音模式 | 复数形式 |
|---|---|---|---|---|
|
Closed
|
`BEDroom`
|
卧室
|
第一个词重读
|
`bedrooms`
|
|
Hyphenated
|
`SISter-in-law`
|
嫂子/弟媳/姐夫/妹夫
|
第一个主要词重读
|
`sisters-in-law`
|
|
Open
|
`BUS stop`
|
公交车站
|
第一个词重读
|
`bus stops`
|
|
Open (Adj + Noun)
|
`WASHing machine`
|
洗衣机
|
第一个词重读
|
`washing machines`
|
|
Closed (Verb + Noun)
|
`BREAKfast`
|
早餐
|
第一个词重读
|
`breakfasts`
|
|
Noun + Verb
|
`SUNrise`
|
日出
|
第一个词重读
|
`sunrises`
|
|
Preposition + Noun
|
`OVERtime`
|
加班
|
第一个词重读
|
`overtimes`
|
正式程度
The Project Manager will oversee the implementation. (Workplace)
He is the project manager for this task. (Workplace)
He's the project lead. (Workplace)
He's the boss man for this gig. (Workplace)
按水平分级的例句
I need a bus stop.
I need a bus stop.
Where is my handbag?
Where is my handbag?
I like orange juice.
I like orange juice.
This is my bedroom.
This is my bedroom.
He bought a new toothbrush yesterday.
He bought a new toothbrush yesterday.
The post office is closed on Sundays.
The post office is closed on Sundays.
Do you have a credit card?
Do you have a credit card?
I lost my car keys.
I lost my car keys.
The waiting room was very crowded.
The waiting room was very crowded.
We need to buy some washing powder.
We need to buy some washing powder.
She works as a travel agent.
She works as a travel agent.
The fire alarm went off at midnight.
The fire alarm went off at midnight.
The greenhouse effect is a major concern for scientists.
The greenhouse effect is a major concern for scientists.
My brothers-in-law are both engineers.
My brothers-in-law are both engineers.
The company is looking for a full-time assistant.
The company is looking for a full-time assistant.
We had a breakthrough in the negotiations.
We had a breakthrough in the negotiations.
The project was the brainchild of the marketing department.
The project was the brainchild of the marketing department.
There is a significant bottleneck in the production line.
There is a significant bottleneck in the production line.
The passers-by ignored the street performer.
The passers-by ignored the street performer.
He gave a light-hearted account of his travels.
He gave a light-hearted account of his travels.
The policy underwent a complete about-face after the election.
The policy underwent a complete about-face after the election.
The city is a sprawling urban wasteland.
The city is a sprawling urban wasteland.
Her stand-offish demeanor made it difficult to collaborate.
Her stand-offish demeanor made it difficult to collaborate.
The underlying cause of the market crash remains a point of contention.
The underlying cause of the market crash remains a point of contention.
容易混淆
Learners often use 's when a simple compound is better.
Mixing up stress changes the meaning entirely.
Pluralizing the end of the phrase instead of the head noun.
常见错误
I need a teethbrush.
I need a toothbrush.
Where is the stop bus?
Where is the bus stop?
I like juice orange.
I like orange juice.
It is a room bed.
It is a bedroom.
I have two mother-in-laws.
I have two mothers-in-law.
He is a shoes seller.
He is a shoe seller.
I need a water's bottle.
I need a water bottle.
The swimming's pool is cold.
The swimming pool is cold.
I saw a black BIRD (referring to the species).
I saw a BLACKbird.
The small business owner (meaning the owner is small).
The small-business owner.
句型
I need to buy a new ___ ___.
The ___ ___ is located near the ___ ___.
My ___ is a very hardworking ___.
Despite the ___ ___, the ___ ___ was a success.
Real World Usage
I have five years of experience as a 'Project Manager'.
I'll have a 'cheeseburger' and a 'diet soda', please.
Please have your 'boarding pass' and 'passport' ready.
Add to 'shopping cart'.
Check the 'news feed' for updates.
Try restarting your 'operating system'.
听重音！
BLACKboard（写字板）和 black BIRD（黑色的鸟）意思完全不同。 The teacher wrote on the blackboard.
别弄混意思！
GREENhouse（温室）和 green HOUSE（绿色的房子），意思天差地别。 We grow plants in the greenhouse.
当作一个词记
Learn compound nouns as single vocabulary units.
语境很重要
Social media is full of compound nouns.
Smart Tips
Assume it's a compound and stress the first one.
Use hyphens if the words together modify a final noun.
Find the person (mother, brother, etc.) and add the 's' there.
Just put the material noun first; no 'of' or 's' needed.
发音
Primary Stress
In almost all compound nouns, the first word receives the strongest stress.
Stress Shift
If the compound is very long, a secondary stress may appear on the last word, but the first remains strongest.
Falling Stress
BLACK-bird ↘
Indicates a single lexical unit (the species).
Equal Stress
BLACK BIRD ➡ ➡
Indicates an adjective describing a noun (a bird that is black).
记住它
记忆技巧
First is Fast: Say the first word faster and louder to make it a compound.
视觉联想
Imagine two Lego bricks snapping together. The first brick has a big 'STRESS' sticker on it, and the second brick is the object itself.
Rhyme
Stress the first to make it one; stress the last and you're not done.
Story
A 'greenhouse' (glass building) was built next to a 'green house' (painted green). The gardener in the greenhouse wore a 'raincoat' while the man in the green house wore a 'rainy coat'.
Word Web
挑战
Look around your room and find 5 compound nouns. Say them out loud, making sure to punch the stress on the first word.
文化笔记
BrE tends to use hyphens more frequently than American English (e.g., 'ice-cream' vs 'ice cream').
AmE often closes compounds faster than BrE (e.g., 'healthcare' vs 'health care').
Aussie English often shortens compounds into single words with an 'o' or 'ie' ending.
Compounding is a Germanic trait. Old English used 'kennings' (metaphorical compounds) like 'whale-road' for the sea.
对话开场白
What is the most useful household appliance you own?
Describe your ideal home office setup.
What are the pros and cons of being a small-business owner?
How has climate change affected your local environment?
日记主题
常见错误
Test Yourself
我需要买一个新的___给我的笔记本电脑。
这只狗是一只热狗。
hot dog（重音在'hot'）是食物。请排列这些单词组成一个句子：
Bus stop 是一个开放式复合名词，指一个特定的地点。句子结构是主语-谓语-宾语+地点。翻译成英语：'El despertador sonó temprano。'
Alarm clock 是英语中“闹钟”的常用开放式复合名词。Score: /4
练习题
8 exercisesI need to buy a new ___.
Find and fix the mistake:
My two brother-in-laws are visiting.
GREENhouse (a place for plants)
We waited in the ___ room for the doctor.
It is a ___ ___.
In the phrase 'a black bird', the stress is usually on 'bird'.
Rain / Soft / Bus
A: Did you see the ___? B: Yes, the birds were beautiful.
Score: /8
Practice Bank
12 exercises我最喜欢的`___`是香草加巧克力碎。
我在花园里看到一只黑鸟，它是一只乌鸦。
选择正确的句子：
翻译成英语：'Necesito un paraguas para la lluvia。'
请排列这些单词组成一个句子：
匹配定义和正确的复合名词：
新的`___`系统提高了效率。
请找出正确的句子：
哪个句子是正确的？
翻译成英语：'Mi suegra es muy amable。'
请排列这些单词组成一个句子：
匹配复合名词的类型：
Score: /12
常见问题 (8)
There is no perfect rule. Generally, very common ones become one word (`notebook`). Use a dictionary for others.
In English, nouns acting as adjectives (modifiers) almost always take the singular form.
Yes! For example, `mother-in-law` or `underground car park`.
A `paper bag` is made of paper. A `bag of paper` is a bag containing paper.
Yes, it is an open compound noun. Stress 'Apple'.
It is `passers-by` because 'passer' is the head noun (the person).
Rarely in true compounds. If the stress is on the second word, it's usually an adjective-noun phrase.
Yes, they are Gerund + Noun compounds. They describe the purpose of the object.
Scaffolded Practice
1
2
3
4
Mastery Progress
Needs Practice
Improving
Strong
Mastered
In Other Languages
Noun + de + Noun
English reverses the order and removes the preposition.
Komposita
German almost always closes the compound; English often keeps them open or hyphenated.
Noun + à/de + Noun
French order is Head + Modifier; English is Modifier + Head.
Noun + No + Noun
English compounds usually have no linking particle.
Idafa
In Arabic, the first noun cannot have an article; in English, the whole compound takes one article at the start.
Noun + Noun
Chinese lacks the stress-based distinction found in English spoken prosody.
Learning Path
Prerequisites
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