Grammar Rule in 30 Seconds
Use comparatives to describe the difference between two people, places, or things using '-er' or 'more'.
- Add '-er' to short words (1 syllable), like 'fast' to 'faster'.
- Use 'more' before long words (2+ syllables), like 'more beautiful'.
- Always use 'than' to connect the two things you are comparing.
Overview
This city is larger than that one.（这座城市比那一座大），就是在明确指出两个城市在大小上的区别。掌握比较级对于 A2 阶段的学习者来说非常重要，它能让你从只会说简单描述句，变成能进行更丰富的对话。This T-shirt is cheaper than that one.（这件T恤比那件便宜）。或者在讨论天气时：It’s colder today than yesterday.（今天比昨天冷）。这些都是比较级在生活中的实际应用。学会使用比较级，你的英语表达会更加生动、具体，能更好地表达事物之间的关系，大大提升你的沟通能力。-er，另一种是加 more。了解这一点，就能明白为什么不同的词有不同的变化方式，这主要是为了让发音更自然、更顺口。- 1加
-er后缀：这种方式通常用于较短的形容词和副词。 - 2加
more这个词：这种方式用于较长的形容词和副词，more放在词的前面。
than。than 是一个连接词，它明确地指出了正在被对比的两个事物。比如，在句子 My new phone is faster than my old one.（我的新手机比旧手机快）中，faster 是比较级形容词，而 than 则清晰地连接了新旧手机这两个对比项。than，这种比较就可能感觉不完整，或者意思不明确。主语1 + 动词 + 比较级形容词/副词 + than + 主语2This book is more interesting than that movie.（这本书比那部电影更有趣。）—— 比较的是“书”和“电影”这两个事物。She runs faster than he does.（她跑得比他快。）—— 比较的是“她跑步”和“他跑步”这两个动作（或动作执行者）。Our new apartment is bigger than our old one.（我们的新公寓比旧的那个大。）—— 比较的是“新公寓”和“旧公寓”这两个事物。
-er 还是加 more，主要取决于形容词或副词的音节（syllable）数量。这不是随便规定的，而是基于发音的自然流畅度。比如，给 tall（高）加 -er 变成 taller（更高）很容易发音。但如果给 interesting（有趣）加 -er，变成 interestinger，发起来就很绕口，不自然。而用 more interesting 就流畅多了。这种“发音效率”是构成规则背后的语言学原理。-er。这是最简单、最常见的形式，尤其适用于简短的描述词。例如，quick（快）变成 quicker（更快）。这种直接加后缀的方式，是古英语词缀变化遗留下来的特点。tall | taller | My brother is taller than my sister.（我哥哥比我妹妹高。） |cold | colder | It’s colder today than it was yesterday.（今天比昨天冷。） |fast | faster | This new car goes faster than the old model.（这辆新车比旧款跑得更快。） |- 以
-e结尾的词：如果词本身以-e结尾，直接加-r即可，不用再加-e。这样可以避免拼写重复和显得累赘。比如，large（大的）变成larger（更大的），而不是largeer。 nice→nicer（例如：This hotel is nicer than the last one.—— 这家酒店比上一家好。）safe→safer（例如：It feels safer here at night.—— 晚上在这里感觉更安全。）wide→wider（例如：The new road is wider than the old path.—— 新路比旧路更宽。）
- 以“辅音 + 元音 + 辅音”（CVC）结尾的词：对于这类词，在加
-er之前，需要双写最后一个辅音字母。这个规则非常重要，它能保证原词的短元音发音不变。如果不双写，元音发音可能会变成长元音（比如hop和hope的区别）。 big→bigger（例如：The elephant is bigger than the tiger.—— 大象比老虎大。）hot→hotter（例如：The kitchen is hotter than the living room.—— 厨房比客厅更热。）thin→thinner（例如：He looks thinner after his holiday.—— 他度假后看起来瘦了。）
-y 结尾的双音节（Two-Syllable）形容词和副词-y 结尾，那么在加 -er 之前，需要将 -y 改为 -i。这样可以使发音更顺畅，也符合英语在 -y 后加词缀的拼写习惯。试想一下 happyer，读起来就不太顺口。happy | happier | She looks much happier now than before.（她现在看起来比以前开心多了。） |easy | easier | This exercise is easier than I expected.（这个练习比我想的要容易。） |funny | funnier | That movie was funnier than the first one.（那部电影比第一部搞笑。） |heavy（heavier）、busy（busier）、pretty（prettier）、noisy（noisier）等词。-y 结尾）以及所有三个或以上音节的词-y 结尾的双音节词，以及所有包含三个或更多音节的词，构成比较级的方法是在形容词或副词前面加上 more。这样做是为了避免产生过长、发音拗口或不自然的词。很多这类长词源自拉丁语或法语，它们不太习惯加英语的后缀。expensive | more expensive | Your jacket is more expensive than mine.（你的夹克比我的贵。） |interesting | more interesting | The book was more interesting than the film.（书比电影更有趣。） |difficult | more difficult | Learning Japanese is more difficult than learning Spanish.（学日语比学西班牙语更难。） |slowly | more slowly | You should speak more slowly so I can understand.（你应该说得慢一点，我才能听懂。） |- 关于部分双音节词的灵活用法：有一小部分不以
-y结尾的双音节形容词，在构成比较级时，有时可以加-er，有时用more都可以，意思差别不大。例如clever（cleverer或more clever）、simple（simpler或more simple）、quiet（quieter或more quiet）。虽然两种形式都可能听到（尤其在口语中），但对于 A2 学习者来说，对于不以-y结尾的双音节词，使用more是更安全、更不容易出错的选择。这样可以最大程度地减少错误，保证意思清晰。而且，语言是不断发展的，more的用法在一些较短的词上也在变得越来越普遍。
-er 或 more 的规则。这是因为它们源自非常古老的英语词汇，经历了独特的历史语音演变。这些形式必须牢记，因为没有固定的规则可以推导出来。它们是语音规则的“例外”，反映了英语词汇深厚的历史层次。good | better | This restaurant has better food than that one.（这家餐厅的食物比那家好。） |well | better | I feel much better today than yesterday.（我今天感觉比昨天好多了。） |bad | worse | The traffic is worse on Mondays.（星期一的交通更糟糕。） |badly | worse | He drives worse when he’s tired.（他累的时候开车开得更差。） |far | farther/further | My house is farther from the city center.（我的房子离市中心更远。）（指物理距离） |We need further information before deciding.（在决定之前，我们需要更多信息。）（指抽象概念或额外信息） |much | more | I have more questions about this topic.（我对这个话题有更多问题。） |many | more | There are more people here today.（今天这里人更多。） |little | less | I have less time than I thought.（我的时间比我想的要少。） |farther 和 further 之间的区别。虽然在非正式口语中，它们常常可以互换使用来指物理距离，但严格来说：farther传统上和技术上只用于指可测量的物理距离（例如：The train station is farther than the bus stop.—— 火车站比公交站远）。further既可用于物理距离，但更常用的是指抽象的、比喻意义上的“距离”或“额外”的概念（例如：We need to look further into this issue.—— 我们需要更深入地研究这个问题；或者Do you have any further comments?—— 你还有其他评论吗？）。
the biggest（最大的）、the most expensive（最贵的）。最高级是另一套语法规则，千万不要混淆。比较级用于“两个”，最高级用于“三个或更多”。- 表达偏好或观点：当你更喜欢某物或认为某个选项更好时。
I like tea better than coffee.（我比咖啡更喜欢茶。）This city is more exciting than my hometown.（这座城市比我的家乡更有趣。）- 描述随时间发生的变化：表明某事物与过去相比是如何演变或改变的。
The weather is colder than last week.（今天的天气比上周冷。）She is more confident than she used to be.（她比以前更自信了。）- 对比两个名词的属性：直接比较两个主体的特征。
This phone's camera is better than that one's.（这款手机的相机比那个好。）His car is older than mine.（他的车比我的旧。）- 比较两个动作的执行方式：评估两个不同动作是如何完成的。
He works harder than his colleague.（他比他的同事工作更努力。）She sings more beautifully than anyone else I know.（她唱歌比我认识的任何人都动听。）than 是一个强烈的信号，表明你正在做一个比较。than 精确地将两个对比项联系起来。than 后面的第二个比较对象可以省略，前提是它从语境中非常清晰。例如，如果有人问：Are you feeling better?（你感觉好点了吗？），你不需要再说 than you were before（比之前），因为这已经包含在问题中了。但是，如果比较关系不那么明显，那么 than 和第二个比较对象就至关重要，以保证句子的完整性和清晰度。This is the bigger book of the three. （这三本书里，这是比较大的那本。）- 比较两个事物用比较级：
bigger - 比较三个或更多事物用最高级：
the biggest
- 如果只比两本：
This book is bigger than the other one. - 如果比三本或更多：
This is the biggest book of the three.
thanMy English is good, but his is better. （我的英语不错，但他的更好。） —— 在某些语境下可能可以理解，但不够规范。My English is good, but his is better.（这里省略了 than mine，虽然可以理解，但不如加上完整。）My English is good, his is better. （直接把 than mine 省略了，并且句子结构不完整。）than 这个词在中文里没有直接对应的、必须使用的词。比如，“我比他高”可以说“我比他高”，也可以说“我高，他矮”来间接对比。英语的 than 是连接两个对比项的“桥梁”，非常重要。如果省略了，句子就失去了明确的对比关系。My English is good, but his is better than mine. （我的英语不错，但他的比我的好。）more 或 -erThis is more big than that. 或者 He is interestinger than his brother.-er，长词加 more。很多学习者会因为不熟悉规则，或者认为所有形容词都应该用 more，而导致错误。This is bigger than that.（“big”是单音节词，加-er。）He is more interesting than his brother.（“interesting”是多音节词，用more。）
This food is gooder than the last one. 或者 I have manyer friends than you.good → better, many → more）没有逻辑可循，只能靠死记硬背。中文里没有这样的变化，所以学习者容易按照规则（比如加 -er）来错误地构造它们。This food is better than the last one.I have more friends than you.
than | the (通常在最高级前), of / in (指范围) |-er 或 more (短词加 -er, 长词加 more) | 加 -est 或 most (短词加 -est, 长词加 most) |tall → taller | tall → tallest |expensive → more expensive | expensive → the most expensive |good → better | good → the best |This house is bigger than that one. (两栋房子比较) | This is the biggest house in the village. (村子里房子最多) |- 比较级永远是一对一的比较：A 比 B 怎么样。
- 最高级是一对多的比较：A 是这一群里 最 怎么样（不是指与某一个比，而是指在整个群体中达到最高程度）。
My car is faster than your car.（我的车比你的车快。）—— 比较两辆车。My car is the fastest car I’ve ever owned.（我的车是我拥有过的最快的车。）—— 比较我拥有的所有车（可能不止两辆）。
more，什么时候用 -er？- 单音节词：加
-er(如tall→taller) - 以
-y结尾的双音节词：变y为i再加-er(如happy→happier) - 三个或以上音节的词：前面加
more(如expensive→more expensive) - 大部分不以
-y结尾的双音节词：前面加more(如difficult→more difficult)。对于少数双音节词，两种方式都可能被接受，但用more更安全。
than 吗？than 通常是必须的，它连接了被比较的双方。例如：He is taller than me.。但在某些语境下，如果被比较的第二方非常明显，可以省略。例如，别人问：Is this your bag? 你回答：No, mine is bigger.（这里省略了 than yours，因为对方问的是“你的包吗？”，所以对比对象很清楚）。但作为 A2 学习者，建议在练习时尽量包含 than，以确保表达的完整和清晰。good 的比较级是 gooder 吗？good 是一个不规则的形容词，它的比较级是 better，最高级是 best。同样，bad 的比较级是 worse，最高级是 worst。这些不规则的词需要特别记忆。This is the thickest book.，而不是 This book is thicker than the others. （后者虽然能被理解，但语法上不准确）。Comparative Formation Rules
| Adjective Type | Rule | Example Adjective | Comparative Form |
|---|---|---|---|
|
1 Syllable
|
Add -er
|
Fast
|
Faster
|
|
1 Syllable (CVC)
|
Double consonant + -er
|
Big
|
Bigger
|
|
1 Syllable (ends in e)
|
Add -r
|
Nice
|
Nicer
|
|
2 Syllables (ends in y)
|
y -> i + -er
|
Happy
|
Happier
|
|
2+ Syllables
|
Use 'more'
|
Expensive
|
More expensive
|
|
Irregular
|
Memorize
|
Good
|
Better
|
|
Irregular
|
Memorize
|
Bad
|
Worse
|
|
Irregular
|
Memorize
|
Far
|
Further/Farther
|
Meanings
Comparative adjectives are used to compare differences between the two objects they modify (larger, smaller, faster, higher). They are used in sentences where two nouns are compared.
Superiority (More)
To show that one thing has a higher quality or degree of a trait than another.
“This book is more interesting than the last one.”
“She is taller than her brother.”
Inferiority (Less)
To show that one thing has a lower quality or degree of a trait.
“This phone is less expensive than that one.”
“The movie was less exciting than the trailer.”
Equality (As...as)
To show that two things are equal in a specific quality.
“He is as tall as his father.”
“This cake is as delicious as the one you made.”
Reference Table
| Form | Structure | Example |
|---|---|---|
|
Affirmative (Short)
|
Subject + be + Adj-er + than + Object
|
She is taller than me.
|
|
Affirmative (Long)
|
Subject + be + more + Adj + than + Object
|
This is more useful than that.
|
|
Negative
|
Subject + be + not + Adj-er + than + Object
|
He is not older than his brother.
|
|
Interrogative
|
Be + Subject + Adj-er + than + Object?
|
Is this box heavier than that one?
|
|
Short Answer
|
Yes, [Subject] + be / No, [Subject] + be + not
|
Yes, it is. / No, it isn't.
|
|
Inferiority
|
Subject + be + less + Adj + than + Object
|
The bus is less comfortable than the train.
|
|
Equality
|
Subject + be + as + Adj + as + Object
|
I am as hungry as a horse.
|
正式程度
The first candidate appears to be more experienced than the second. (Hiring process)
The first person has more experience than the second one. (Hiring process)
The first guy is more experienced. (Hiring process)
The first one's got way more street cred. (Hiring process)
Comparative Adjective Rules
Short Words
- Fast -> Faster Add -er
- Big -> Bigger Double letter
Long Words
- More Beautiful Use 'more'
- More Modern Use 'more'
Comparing Two Objects
Which form should I use?
Is it 1 syllable?
Does it end in -y?
Irregular Comparatives
Irregulars
- • Good -> Better
- • Bad -> Worse
- • Far -> Further
按水平分级的例句
My cat is smaller than your dog.
My cat is smaller than your dog.
I am taller than my sister.
I am taller than my sister.
This car is faster.
This car is faster.
Tea is hotter than water.
Tea is hotter than water.
This phone is more expensive than that one.
This phone is more expensive than that one.
The city is noisier than the countryside.
The city is noisier than the countryside.
Your English is better than last year.
Your English is better than last year.
Is the bus cheaper than the train?
Is the bus cheaper than the train?
This exercise is much easier than the previous one.
This exercise is much easier than the previous one.
The new model is slightly more efficient.
The new model is slightly more efficient.
He speaks more fluently than he did before.
He speaks more fluently than he did before.
I feel less tired today than yesterday.
I feel less tired today than yesterday.
The more you practice, the better you become.
The more you practice, the better you become.
The results were far more impressive than we anticipated.
The results were far more impressive than we anticipated.
The situation is getting more and more complicated.
The situation is getting more and more complicated.
She is no more capable than her predecessor.
She is no more capable than her predecessor.
The proposal was all the more convincing for its brevity.
The proposal was all the more convincing for its brevity.
He is taller than I am.
He is taller than I am.
The weather was rather more pleasant than predicted.
The weather was rather more pleasant than predicted.
It was a far cry from the earlier, simpler versions.
It was a far cry from the earlier, simpler versions.
The argument is none the stronger for being repeated.
The argument is none the stronger for being repeated.
He was a man of no lesser stature than the king himself.
He was a man of no lesser stature than the king himself.
The more's the pity that we didn't arrive earlier.
The more's the pity that we didn't arrive earlier.
Her performance was significantly more nuanced than her debut.
Her performance was significantly more nuanced than her debut.
容易混淆
Learners use superlatives (best, biggest) when only comparing two things.
These words sound similar but have completely different meanings.
Using both 'more' and '-er' on the same adjective.
常见错误
He is more tall than me.
He is taller than me.
This is more better.
This is better.
I am taller that him.
I am taller than him.
My car is biger than yours.
My car is bigger than yours.
It is more easy now.
It is easier now.
She is more happy than before.
She is happier than before.
This is badder than that.
This is worse than that.
The movie was less better than I thought.
The movie was not as good as I thought.
He is more taller.
He is much taller.
I have more few books than you.
I have fewer books than you.
He is the taller of the three.
He is the tallest of the three.
It's getting more and more hot.
It's getting hotter and hotter.
I prefer tea than coffee.
I prefer tea to coffee.
句型
My ___ is ___er than yours.
This ___ is more ___ than that one.
I think ___ is better than ___.
The ___er it is, the more ___ it becomes.
Real World Usage
This model is much quieter than the previous version.
I am looking for a more challenging role.
I'm looking for someone taller than 6 feet.
This SUV is safer and more reliable for families.
Tomorrow will be colder and windier than today.
Is there a cheaper flight available?
The Syllable Clap
The 'Than' Trap
Emphasis
Polite Comparisons
Smart Tips
Always change the 'y' to 'i' before adding '-er'. It works for happy, busy, easy, and crazy!
Use 'much' or 'a bit' to show the size of the difference.
In casual English, we use 'than me' or 'than him'. In very formal English, we use 'than I am' or 'than he is'.
Use 'the [comparative] one' to choose between two items without repeating the noun.
发音
The Schwa sound in '-er'
The '-er' ending is almost always pronounced as a weak schwa /ə/. Do not stress it.
Linking 'than'
The word 'than' is usually reduced to /ðən/ and links to the following word.
Comparison Stress
This one is BIGGER than that one.
Stress the comparative adjective to emphasize the difference.
记住它
记忆技巧
Short words get 'er' (like a motor), long words get 'more' (like a crowd).
视觉联想
Imagine a tiny mouse with a long tail shaped like the letters 'ER' standing next to a giant elephant wearing a shirt that says 'MORE'.
Rhyme
Short gets -er, long gets more, use 'than' to settle the score!
Story
A small ant (Short) wanted to be a runner, so he became 'faster'. A beautiful butterfly (Long) didn't want to change her name, so she just became 'more beautiful'. They both had to cross the 'Than' bridge to finish the race.
Word Web
挑战
Look around your room. Find two objects and say three sentences comparing them out loud (e.g., 'The lamp is taller than the book').
文化笔记
Americans often use 'farther' for physical distance and 'further' for metaphorical distance. British speakers often use 'further' for both.
In Japanese culture, direct comparisons can sometimes be seen as too blunt. In English, however, they are expected and necessary for clarity.
German speakers may find the English use of 'more' for long adjectives similar to their own 'mehr', but must remember that German also uses suffixes for almost all adjectives.
The '-er' suffix comes from the Old English '-ra', which was used to form comparatives in Germanic languages.
对话开场白
Which is better: living in a big city or a small village?
Compare your current phone with your previous one.
Is it better to be a student or an employee?
How has your life changed in the last five years?
日记主题
常见错误
Test Yourself
My house is ___ (big) than yours.
Which sentence is grammatically correct?
Find and fix the mistake:
This coffee is more better than the one I had yesterday.
Arrange the words in the correct order:
All words placed
Click words above to build the sentence
Match each item on the left with its pair on the right:
I am taller ___ my father.
Pick the irregular comparative.
This book is ___ (interesting) than the movie.
Score: /8
练习题
8 exercisesMy house is ___ (big) than yours.
Which sentence is grammatically correct?
Find and fix the mistake:
This coffee is more better than the one I had yesterday.
than / is / My / faster / car / yours
Match the following:
I am taller ___ my father.
Pick the irregular comparative.
This book is ___ (interesting) than the movie.
Score: /8
Practice Bank
12 exercisesThis bed is much ___ (comfortable) than the old one.
Choose the correct sentence:
Living in the city is excitinger than the countryside.
Translate into English: 'El examen fue más difícil de lo que pensaba.'
Arrange these words into a sentence:
This path is ___ (narrow) than the main road.
Match the adjectives with their comparative forms:
Our team's presentation was gooder than theirs.
Choose the correct sentence:
Translate into English: 'Mi bicicleta es más vieja que la tuya.'
Arrange these words into a sentence:
Match the adjectives with their comparative forms:
Score: /12
常见问题 (8)
Double the last letter for one-syllable words that end in a single vowel + single consonant (like `big` -> `bigger`, `hot` -> `hotter`). Do not double it if there are two vowels (like `cheap` -> `cheaper`).
Both are correct! In American English, `farther` is usually for physical distance and `further` is for metaphorical distance (like 'further information'). In British English, `further` is common for both.
Both are actually correct! Some two-syllable words like `clever`, `simple`, and `narrow` can take either form, though `-er` is more traditional.
Because `better` already means 'more good'. Saying `more better` is like saying 'more more good', which is redundant and incorrect in standard English.
`Than` is for comparing things (He is taller `than` me). `Then` is for time or sequences (I went home, `then` I ate dinner).
Use the structure `as + adjective + as`. For example, 'I am `as tall as` my brother.'
Yes! For example, 'He runs `faster` than me' or 'She speaks `more clearly` than her friend.' The rules for syllables are the same.
You can use `less + adjective + than`. For example, 'This phone is `less expensive` than that one.'
Scaffolded Practice
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Mastery Progress
Needs Practice
Improving
Strong
Mastered
In Other Languages
más + adjective + que
English has two systems (-er and more), while Spanish only has one (más).
plus + adjective + que
French never changes the ending of the adjective to mean 'more'.
adjective + -er + als
German uses the suffix for almost all adjectives, whereas English switches to 'more' for long ones.
A no hou ga B yori [adj]
Japanese grammar structure for comparison is completely different from the English SVO structure.
Elative form (Af'al)
Arabic uses a morphological internal change rather than a simple suffix or prefix.
A bǐ B + adjective
Chinese has no inflection or 'more' equivalent within the comparative sentence.
Learning Path
Prerequisites
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