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B1 Modal verb #46 最常用 11分钟阅读

ought

前46

开始练习例句笔记与提示 ought 30秒了解

解析 ought in your Level:

At the A1 level, 'ought' is a bit difficult because it is not as common as 'should.' Think of 'ought to' as a slightly more formal way to say 'should.' If you want to give a friend advice, you can say 'You should drink water.' If you want to sound a little more serious or polite, you could say 'You ought to drink water.' The most important thing for beginners to remember is the 'to.' You cannot say 'I ought go.' You must say 'I ought to go.' It is like a bridge between the word 'ought' and the action you are talking about. At this level, just focus on using it for simple advice about health, school, or daily life. For example, 'You ought to sleep eight hours.' It is a good word to know so you understand when other people use it, but you can usually use 'should' instead and people will understand you perfectly. Don't worry about the negative form 'oughtn't' yet; just use 'shouldn't' if you want to say something is a bad idea. Remember, 'ought' is about doing what is right or what is expected. If the sun is shining, it 'ought to' be warm outside. This is a simple way to use the word for things that are likely to happen.

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For A2 learners, 'ought' starts to become more useful as you learn to express opinions and give more detailed advice. You should start noticing that 'ought to' is used when there is a 'correct' way to do something. For example, if you are learning to drive, your teacher might say, 'You ought to check your mirrors.' This isn't just a suggestion; it is the right way to drive safely. You can also use 'ought to' when you are expecting something to happen soon. 'The bus ought to be here in five minutes' means you are looking at the clock and thinking about the schedule. One key difference to practice at this level is the structure: Subject + ought + to + verb. You should also be aware that 'ought' does not change for different people. It is 'I ought to,' 'He ought to,' and 'They ought to.' There is no 's' at the end for 'he' or 'she.' This makes it easier than regular verbs like 'eats' or 'walks.' Try using 'ought to' when you want to sound a bit more polite or when you are talking about rules that everyone knows, like 'We ought to be quiet in the library.' It shows you have a slightly higher level of English vocabulary than just using 'should' all the time.

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At the B1 level, you are expected to understand the nuance between 'ought to' and other modal verbs. 'Ought' is often used to express a moral obligation—something you do because it is the 'right' thing, not just because you want to. For example, 'We ought to recycle more' suggests a duty to the planet. You should also be comfortable using 'ought to' for logical probability. If you have prepared well for a presentation, you might say, 'Everything ought to go smoothly.' This shows you are making a prediction based on the facts you have. This is also the level where you should learn the negative form 'ought not to.' While 'shouldn't' is more common, 'ought not to' is used in more formal situations or when someone is being very serious. 'You ought not to talk to your teacher like that' sounds more like a serious correction of behavior than 'You shouldn't talk like that.' You should also begin to recognize 'ought' in reading materials, such as news articles or stories, where it is used to describe what is expected of people in society. It is a 'weighty' word, and using it correctly helps you convey a sense of responsibility and maturity in your speaking and writing.

At the B2 level, you should be able to use 'ought' with more complex structures, specifically the perfect infinitive to talk about the past: 'ought to have + past participle.' This is a very important structure for expressing regret or criticizing past actions. For example, 'I ought to have studied harder for the exam' means you didn't study enough and now you regret it. Or, 'They ought to have told us about the change' is a way of saying they had a duty to inform you, but they failed. You should also understand the subtle difference in 'register' (formality). Using 'ought' in a business email or a formal essay can make your writing sound more professional and authoritative. For instance, 'The company ought to prioritize sustainable practices' sounds more like a strategic recommendation than 'The company should...' Furthermore, you should be able to identify 'ought' when it is used to express a strong logical deduction. 'If they left at 8:00, they ought to have arrived by now' shows you are using logic to determine a past event. At this level, you should also be careful not to use 'ought' in questions too often, as it can sound overly archaic; instead, recognize it when you see it in literature but stick to 'should' for most modern questions.

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As a C1 learner, you should have a sophisticated grasp of 'ought' and its role in English rhetoric and ethics. You understand that 'ought' is the modal of 'internalized' duty. While 'must' is often an external command (the law says so), 'ought' often refers to a person's own moral compass or the social contract. You can use 'ought' to build persuasive arguments in academic writing. For example, 'One ought to consider the socio-economic implications of such a policy' sounds scholarly and balanced. You are also aware of the historical context of the word—that it is the old past tense of 'owe'—and how that sense of 'owing' an action still influences its modern meaning. You should be able to use 'ought' in the negative and in the past with total confidence, even in complex sentences with multiple clauses. 'Had the committee acted as they ought to have done, the crisis might have been averted' is a high-level sentence structure that shows mastery of both modals and conditionals. You also recognize that in certain dialects, 'ought' is used differently, but you maintain the standard 'ought to' in your own professional output. You can distinguish between 'ought' for probability and 'ought' for duty even when the context is subtle, such as in literary analysis or philosophical debate.

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At the C2 level, you use 'ought' with the precision of a native speaker, often utilizing it to convey specific shades of meaning that 'should' cannot reach. You understand that 'ought' can sometimes carry a tone of 'moralizing' or even 'condescension' if used incorrectly, and you know how to navigate this in social situations. You are familiar with its use in legal and quasi-legal contexts where 'ought' defines the 'standard of care' expected of a reasonable person. You can appreciate and use 'ought' in its most formal environments, such as in a keynote speech or a philosophical treatise, where it serves to ground arguments in a sense of universal rightness. Your use of the word is seamless, whether you are expressing a logical expectation ('The experiment ought to yield these results, provided the variables are controlled') or a profound moral imperative ('We ought to question the very foundations of our assumptions'). You are also comfortable with the rare and archaic forms you might find in 18th-century literature, and you can explain the evolution of the word to others. At this level, 'ought' is not just a vocabulary word; it is a tool for expressing complex ideas about duty, logic, and the nature of expectation in the English language.

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开始练习例句笔记与提示

ought 30秒了解

A modal verb used for moral duty, advice, or logical expectation.
Almost always used as 'ought to' followed by the base verb.
More formal than 'should' and carries a stronger sense of obligation.
Used with 'have' (ought to have) to talk about past regrets or missed duties.

The word ought is a modal verb that carries a significant weight of moral obligation, duty, or logical expectation. Unlike many other modal verbs like 'can' or 'might,' which deal with ability or possibility, 'ought' is deeply rooted in the concept of what is 'right' or 'correct' according to a standard of behavior or a predictable outcome. When you use 'ought,' you are often appealing to a sense of conscience or a shared understanding of how the world should function. It is most frequently followed by the particle 'to' and the base form of a verb, forming the structure ought to [verb].

Moral Obligation: This is the primary use of the word. It suggests that an action is the right thing to do based on ethics, laws, or social responsibilities. For example, saying 'We ought to help the poor' implies a moral duty that goes beyond a mere suggestion.

Citizens ought to respect the laws of their community to ensure safety for everyone.

Beyond morality, 'ought' is used to express logical probability or expectation. If you have studied hard for an exam, you might say, 'I ought to pass,' meaning that based on the effort put in and the logic of the situation, passing is the expected result. This usage is very common in British English and formal American English when discussing schedules or predictable events.

Logical Expectation: Used when something is likely to happen because it is planned or natural. 'The train ought to be here by now' indicates that according to the timetable, the train's arrival is expected.

With this much evidence, the jury ought to reach a verdict quickly.

In interpersonal relationships, 'ought' is used to give advice that is perceived as the most sensible or beneficial course of action. It is a way of saying 'it would be wise for you to do this.' For instance, 'You ought to see a doctor about that cough' is a piece of advice based on the sensible conclusion that medical attention is necessary for health.

Sensible Advice: Providing guidance that is grounded in common sense or expertise. It is less forceful than 'must' but more authoritative than 'might.'

You ought to double-check your passport before leaving for the airport.

We ought not to waste any more time if we want to finish the project today.

Historically, 'ought' was the past tense of the verb 'owe.' This explains why it carries a sense of debt or being 'indebted' to a certain action. While we no longer use it as a past tense verb for money, that linguistic ghost remains in the way we feel a 'debt' to our duties or to the truth when we use the word today.

The movie ought to be starting in about five minutes, so let's find our seats.

Using 'ought' correctly requires understanding its unique grammatical behavior compared to other modal verbs. The most important rule to remember is that 'ought' is almost always followed by 'to' and the infinitive form of the verb. This distinguishes it from 'should,' 'must,' 'can,' or 'will,' which are followed directly by the base verb without 'to.'

Affirmative Structure: Subject + ought + to + base verb. Example: 'She ought to call her mother.' This indicates a recommendation or duty.

You ought to try the local specialty while you are visiting the city.

When forming negative sentences, the word 'not' is placed between 'ought' and 'to.' In formal writing, 'ought not to' is preferred. In spoken British English, the contraction 'oughtn't' is used, though it is becoming increasingly rare in modern American English, where 'shouldn't' or 'ought not to' are more common.

Negative Structure: Subject + ought + not + to + base verb. Example: 'They ought not to park their car there; it is a restricted zone.'

We ought not to speak ill of those who are not present to defend themselves.

To talk about the past, 'ought' is used with the perfect infinitive (have + past participle). This usually expresses a regret or a missed obligation—something that was the right thing to do but did not happen. 'I ought to have studied more' means I didn't study enough, and I regret it now.

Past Obligation: Subject + ought + to + have + past participle. Example: 'He ought to have told us the truth from the beginning.'

The package ought to have arrived yesterday, but there seems to be a delay.

In some dialects, particularly in parts of the Southern United States or older British dialects, you might hear 'had ought' or 'didn't ought.' However, these are considered non-standard or grammatically incorrect in formal English. Stick to 'ought to' or 'ought not to' for professional and academic writing.

If you want to be healthy, you ought to incorporate more vegetables into your diet.

You ought to be able to finish the assignment within two hours.

While 'should' is the dominant modal for advice in everyday conversation, 'ought' still holds a strong position in specific contexts. You will hear it most often in formal speeches, legal discussions, literature, and when someone is emphasizing a moral point. It provides a layer of seriousness that 'should' sometimes lacks.

Formal Oratory: Politicians and leaders use 'ought' to appeal to the values of their audience. 'We ought to strive for a better future' sounds more inspiring and duty-bound than 'We should try to have a better future.'

Every citizen ought to contribute to the well-being of the nation.

In British English, 'ought' is used more frequently in daily life than in American English. A British speaker might say, 'I ought to be going now,' where an American would almost certainly say, 'I should probably head out.' This gives British English a slightly more polite or traditional tone in certain social interactions.

Literature and Classic Film: If you read novels from the 19th or early 20th century (like those by Jane Austen or Charles Dickens), 'ought' appears constantly. It reflects a society where social duty and 'proper' behavior were central themes.

'You ought to have known better,' the headmaster said sternly.

You will also encounter 'ought' in news reporting when journalists discuss expectations based on logic or data. 'The economy ought to recover by the third quarter' suggests a prediction based on economic models. Here, it functions as a synonym for 'is expected to.'

Scientific and Logical Contexts: When discussing hypotheses or expected results of an experiment. 'Based on the chemical reaction, the liquid ought to turn blue.'

The results ought to be consistent with our previous findings.

Finally, 'ought' is common in parental or teacher-student dynamics. It is a way of correcting behavior by pointing to a standard. 'You ought to be ashamed of yourself' is a classic (though harsh) idiom used to highlight a moral failing.

Children ought to be taught the value of honesty from a young age.

Because 'ought' is a bit of an outlier among modal verbs, learners often make specific grammatical errors when using it. The most frequent mistake is treating it exactly like 'should' or 'must' and omitting the 'to' that must follow it.

Omitting 'to': Incorrect: 'You ought go home.' Correct: 'You ought to go home.' Unlike 'should,' 'ought' requires the full infinitive.

Incorrect: We ought finish this. Correct: We ought to finish this.

Another common error involves the negative form. Some learners try to use 'don't ought to' or 'doesn't ought to,' applying the rules of regular verbs. However, 'ought' is a modal and does not use auxiliary verbs like 'do' or 'did.'

Using 'Do' Support: Incorrect: 'You don't ought to say that.' Correct: 'You ought not to say that.' Or more naturally, 'You shouldn't say that.'

Incorrect: He didn't ought to have lied. Correct: He ought not to have lied.

Learners also struggle with question formation. Because 'Ought we to...?' sounds so formal, many people try to force it into a more modern structure like 'Do we ought to...?', which is incorrect. If you find 'Ought we...?' too stiff, it is better to switch to 'Should we...?' or 'Are we supposed to...?'

Incorrect Question Form: Incorrect: 'Do I ought to pay now?' Correct: 'Ought I to pay now?' or 'Should I pay now?'

Incorrect: Ought you go? Correct: Ought you to go?

Finally, using 'ought' for strong commands can sometimes sound slightly off. While 'You must stop' is a direct order, 'You ought to stop' sounds more like a moral lecture. If you are in a position of emergency or high authority, 'ought' might be too 'soft' or 'philosophical' for the moment.

You ought to consider the consequences before you act so recklessly.

To truly master 'ought,' you must understand how it relates to its synonyms. While they all deal with necessity or advice, each has a different 'flavor' and level of intensity. Choosing the right one depends on the context and how much pressure you want to put on the listener.

Should vs. Ought To: 'Should' is the most common and versatile. It is used for general advice and opinions. 'Ought to' is slightly more formal and emphasizes a moral or external duty. If you say 'You should help,' it's your opinion. If you say 'You ought to help,' it implies it's their responsibility.

You ought to tell the truth (Moral duty). vs. You should try the cake (Personal suggestion).

When the obligation is much stronger—perhaps a law or a life-or-death situation—'must' or 'have to' are better choices. 'Ought' still leaves a small amount of room for the person to choose, whereas 'must' implies no choice at all.

Must / Have To vs. Ought To: 'Must' is an absolute requirement. 'You must wear a seatbelt.' 'Ought to' is a strong recommendation based on what is right. 'You ought to wear a seatbelt' sounds more like advice for your own safety rather than a legal command.

We ought to be more careful with our spending (Sensible advice). vs. We must pay our taxes (Legal requirement).

Another useful comparison is with 'be supposed to.' This phrase is used when there is an expectation based on a rule or an arrangement. 'I am supposed to be at work at 9:00' means that is the rule. 'I ought to be at work at 9:00' means that I feel it is my duty to be there on time.

Be Supposed To vs. Ought To: 'Be supposed to' often implies that the expectation might not be met. 'He was supposed to call me' (but he didn't). 'Ought to' focuses more on the inherent rightness of the action.

The train ought to arrive soon (Logical expectation). vs. The train is supposed to arrive at 4 PM (Scheduled time).

In very formal or legal writing, you might see 'shall' used for obligation. However, 'shall' is usually a command from an authority, while 'ought' is an appeal to the actor's own sense of duty. Understanding these nuances helps you sound more precise and sophisticated in your English usage.

One ought to always consider the environmental impact of one's choices.

How Formal Is It?

趣味小知识

Because 'ought' was originally a past tense form, it never developed a separate past tense of its own, which is why we have to use 'ought to have' to talk about the past.

发音指南

UK /ɔːt/

US /ɔt/

The word is a single syllable and is usually stressed in a sentence to emphasize the obligation.

押韵词

bought caught fought taught thought wrought naught fraught

常见错误

Pronouncing the 'gh' (it should be silent).
Confusing the vowel sound with 'out' (which has an 'ow' sound).
Adding an 's' for third-person (e.g., 'he oughts').
Using a short 'o' sound like in 'hot' (it should be longer).
Failing to link 'ought' and 'to' smoothly in speech (often sounds like 'otta').

难度评级

阅读 3/5

Common in literature and news, but the 'to' requirement can be tricky for some.

写作 4/5

Requires careful use of the 'to' particle and correct negative/past forms.

口语 4/5

Less common than 'should,' so it can feel unnatural to use spontaneously.

听力 3/5

Often sounds like 'otta' in fast speech, which can be confusing.

接下来学什么

前置知识

should must to have duty

接下来学习

shall would had better supposed to obligated

高级

deontic modality epistemic modality perfect infinitive subjunctive mood rhetoric

需要掌握的语法

Modal Verbs

Modal verbs like 'ought' do not take 's' in the third person singular.

To-Infinitive

'Ought' is a semi-modal because it requires 'to' before the main verb.

Perfect Infinitive

Use 'have + past participle' after 'ought to' to refer to the past.

Negative Modals

The negative 'not' comes before the 'to' in 'ought not to'.

Inversion in Questions

In formal questions, the modal 'ought' moves before the subject.

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按水平分级的例句

You ought to eat your vegetables.

Tu devrais manger tes légumes.

Uses 'ought to' for simple health advice.

We ought to go to bed now.

Nous devrions aller au lit maintenant.

Simple advice for daily routine.

It ought to be sunny today.

Il devrait faire beau aujourd'hui.

Expressing a simple expectation about weather.

You ought to say thank you.

Tu devrais dire merci.

Basic social manners.

He ought to help his mother.

Il devrait aider sa mère.

Simple moral duty.

The bus ought to come soon.

Le bus devrait arriver bientôt.

Expectation based on a schedule.

You ought to wear a coat.

Tu devrais porter un manteau.

Practical advice for weather.

I ought to do my homework.

Je devrais faire mes devoirs.

Personal responsibility.

You ought to check the map before we leave.

Tu devrais vérifier la carte avant que nous partions.

Sensible advice for a task.

The water ought to be hot by now.

L'eau devrait être chaude maintenant.

Logical expectation based on time.

We ought to invite Sarah to the party.

Nous devrions inviter Sarah à la fête.

Social recommendation.

You ought to be more careful with your phone.

Tu devrais faire plus attention à ton téléphone.

Advice based on a past mistake.

The store ought to be open on Sundays.

Le magasin devrait être ouvert le dimanche.

Expectation based on general knowledge.

He ought to study if he wants to pass.

Il devrait étudier s'il veut réussir.

Conditional advice.

You ought to try this cake; it's delicious.

Tu devrais goûter ce gâteau ; il est délicieux.

Friendly recommendation.

We ought not to be late for the movie.

Nous ne devrions pas être en retard pour le film.

Negative advice for a schedule.

People ought to recycle their plastic waste.

Les gens devraient recycler leurs déchets plastiques.

Moral obligation toward the environment.

The results ought to be available by tomorrow morning.

Les résultats devraient être disponibles d'ici demain matin.

Logical probability based on a process.

You ought to apologize for what you said.

Tu devrais t'excuser pour ce que tu as dit.

Moral duty in a relationship.

If you exercise, you ought to feel more energetic.

Si tu fais de l'exercice, tu devrais te sentir plus énergique.

Expected result of an action.

We ought to consider all the options before deciding.

Nous devrions considérer toutes les options avant de décider.

Professional or serious advice.

The government ought to do more for the homeless.

Le gouvernement devrait faire plus pour les sans-abri.

Social and political obligation.

You ought not to believe everything you read online.

Tu ne devrais pas croire tout ce que tu lis en ligne.

Negative advice regarding critical thinking.

There ought to be a law against such behavior.

Il devrait y avoir une loi contre un tel comportement.

Expressing a desire for a standard or rule.

I ought to have called you sooner, but I was busy.

J'aurais dû t'appeler plus tôt, mais j'étais occupé.

Past regret using 'ought to have'.

The project ought to have been finished by last Friday.

Le projet aurait dû être terminé vendredi dernier.

Criticism of a past failure to meet an expectation.

She ought to be arriving at the airport right about now.

Elle devrait arriver à l'aéroport en ce moment même.

Strong logical deduction about the present.

You ought to have known that the shop would be closed.

Tu aurais dû savoir que le magasin serait fermé.

Implying someone was irresponsible in the past.

We ought to have taken the other road to avoid traffic.

Nous aurions dû prendre l'autre route pour éviter les bouchons.

Regret about a past decision.

The company ought to have invested more in research.

L'entreprise aurait dû investir davantage dans la recherche.

Formal criticism of a past business strategy.

He ought to have been more careful with the fragile vase.

Il aurait dû faire plus attention au vase fragile.

Expressing a missed duty of care.

The medicine ought to have started working by now.

Le médicament aurait dû commencer à agir maintenant.

Expectation about a biological process.

One ought to be mindful of the cultural nuances when traveling.

On devrait être attentif aux nuances culturelles lors d'un voyage.

Formal, generalized advice using 'one'.

The witness ought to have been more specific in her testimony.

Le témoin aurait dû être plus précis dans son témoignage.

Legalistic criticism of a past action.

Such a significant discovery ought to lead to further funding.

Une découverte aussi importante devrait mener à de nouveaux financements.

Logical deduction in an academic context.

We ought not to underestimate the power of social media.

Nous ne devrions pas sous-estimer le pouvoir des réseaux sociaux.

Formal warning about a complex phenomenon.

The treaty ought to have been signed months ago to prevent this.

Le traité aurait dû être signé il y a des mois pour éviter cela.

Analyzing a political failure using the past modal.

If the theory is correct, the results ought to be reproducible.

Si la théorie est correcte, les résultats devraient être reproductibles.

Scientific expectation based on a hypothesis.

He ought to have realized that his comments would be offensive.

Il aurait dû se rendre compte que ses commentaires seraient offensants.

Criticism of social awareness.

The architecture ought to reflect the values of the community.

L'architecture devrait refléter les valeurs de la communauté.

Philosophical statement about design and duty.

The defendant ought to have exercised a greater degree of caution.

Le prévenu aurait dû faire preuve d'une plus grande prudence.

Formal legal standard of 'duty of care'.

It is a truth that ought to be self-evident to any rational observer.

C'est une vérité qui devrait être évidente pour tout observateur rationnel.

Rhetorical use in philosophical discourse.

The system, as designed, ought to preclude such errors from occurring.

Le système, tel qu'il est conçu, devrait empêcher de telles erreurs de se produire.

Technical expectation based on engineering.

One ought not to conflate personal ambition with public service.

On ne devrait pas confondre l'ambition personnelle et le service public.

Sophisticated moral distinction.

The narrative ought to have provided more closure for the protagonist.

Le récit aurait dû apporter une conclusion plus nette pour le protagoniste.

Literary criticism of structure and duty.

Had the warnings been heeded, the outcome ought to have been different.

Si les avertissements avaient été écoutés, le résultat aurait dû être différent.

Complex conditional with a past modal expectation.

The institution ought to be a bastion of free speech and inquiry.

L'institution devrait être un bastion de la liberté d'expression et d'enquête.

Idealistic statement about institutional duty.

The sheer scale of the project ought to have given them pause.

L'ampleur même du projet aurait dû les faire réfléchir.

Using 'ought' to describe a logical psychological reaction.

常见搭配

ought to be

ought to have

ought to know

ought to do

ought to go

ought to see

ought to think

ought to work

ought to tell

ought to feel

常用短语

ought to know better

— Used to criticize someone for acting foolishly when they should have more wisdom.

A man of his age ought to know better than to drive so fast.

ought to have seen it coming

— Used when something predictable happens and someone was caught off guard.

With the economy failing, we ought to have seen the layoffs coming.

ought to be ashamed

— A strong moral condemnation of someone's behavior.

You ought to be ashamed of how you treated your sister.

ought to do the trick

— Used to say that a particular action or thing will be enough to solve a problem.

A little bit of oil ought to do the trick for that squeaky door.

as it ought to be

— Used to describe a situation that is perfect or exactly as it should be.

The garden was peaceful and beautiful, just as it ought to be.

ought to be careful

— A standard warning given when someone is taking a risk.

You ought to be careful when walking alone at night.

ought to have been

— Used to describe a past state that was expected but did not happen.

The party ought to have been a success, but it rained.

ought to be able to

— Used to express an expectation of someone's capability.

A professional ought to be able to handle this situation.

ought to try

— A gentle but firm recommendation to attempt something.

You ought to try the new restaurant downtown.

ought to stay

— Advice given when leaving might be dangerous or unwise.

You ought to stay inside until the storm passes.

容易混淆的词

ought vs aught

Aught means 'anything' or 'zero.' It is a noun/pronoun, while 'ought' is a verb.

ought vs should

Should is more common and less formal. Ought implies a stronger moral duty.

ought vs out

Similar sound, but 'out' is a preposition/adverb meaning the opposite of 'in'.

习语与表达

"do as one ought"

— To behave in a morally correct or socially acceptable way.

He always tries to do as he ought, regardless of the cost.

formal

"more than one ought"

— To do something to an excessive or inappropriate degree.

She worries about her children more than she ought.

neutral

"ought to be a law"

— An expression used when someone is annoyed by something they think should be illegal.

There ought to be a law against loud music after midnight!

informal

"ought to have stayed in bed"

— Used when a day is going so badly that you wish you had never started it.

I lost my keys and crashed my car; I ought to have stayed in bed today.

informal

"ought to have your head examined"

— A humorous or rude way to say someone is acting crazy or making a very bad decision.

If you're going to quit your job without a backup, you ought to have your head examined.

slang/informal

"ought to be shot"

— A very strong (usually hyperbolic) expression of anger at someone's behavior.

Whoever left this mess in the kitchen ought to be shot!

informal/aggressive

"ought to be in pictures"

— A compliment suggesting someone is very attractive or talented enough to be a movie star.

You're so charismatic; you ought to be in pictures!

old-fashioned

"ought to be seen to be believed"

— Used to describe something so incredible or strange that words cannot describe it.

The view from the mountain top ought to be seen to be believed.

neutral

"ought to know the ropes"

— Used to say that someone with experience should understand how a system works.

By now, the manager ought to know the ropes of the company.

neutral

"ought to give credit where credit is due"

— Used to say that you should acknowledge someone's good work, even if you don't like them.

I don't like his methods, but we ought to give credit where credit is due for the results.

neutral

容易混淆

ought vs should

They have almost identical meanings.

Should is used for general advice and opinions. Ought to is used for moral duty and logical expectation, and it requires 'to.'

You should try this. vs. You ought to tell the truth.

ought vs must

Both express obligation.

Must is a direct command or law. Ought to is a moral suggestion or expectation. Must is stronger.

You must stop at the red light. vs. You ought to be more polite.

ought vs have to

Both express necessity.

Have to is an external requirement (like a rule). Ought to is often an internal sense of duty.

I have to work at 9. vs. I ought to work harder.

ought vs supposed to

Both deal with expectations.

Supposed to is about an arrangement or rule that might be broken. Ought to is about what is right or logically likely.

I'm supposed to be there. vs. I ought to be there.

ought vs had better

Both are used for advice.

Had better implies a threat or negative result if the advice is ignored. Ought to is just about what is right.

You'd better go (or you'll be late). vs. You ought to go (it's the right thing).

句型

You ought to [verb].

You ought to sleep.

It ought to be [adjective].

It ought to be easy.

We ought to [verb] because [reason].

We ought to go because it's late.

I ought to have [past participle].

I ought to have called.

One ought not to [verb].

One ought not to judge others.

Had [subject] [past participle], [subject] ought to have [past participle].

Had he known, he ought to have told us.

There ought to be [noun].

There ought to be a law.

It ought to have been [adjective].

It ought to have been better.

词族

动词

ought (modal verb)

如何使用

frequency

Common in British English, moderately common in American English, very common in literature and legal texts.

常见错误

I ought go home. → I ought to go home.
You must always include the 'to' after 'ought' before the main verb.
He oughts to study. → He ought to study.
Modal verbs like 'ought' do not take an 's' in the third person singular.
Do I ought to pay? → Ought I to pay? / Should I pay?
Modal verbs do not use 'do' support for questions.
I didn't ought to have said that. → I ought not to have said that.
'Didn't ought' is non-standard. Use 'ought not to' for the negative past.
You ought to must see it. → You ought to see it.
You cannot use two modal verbs together. Choose one or use 'ought to have to'.

小贴士

Don't forget the 'to'

Always pair 'ought' with 'to' when a verb follows. It's the most common mistake for learners.

Use for formality

Choose 'ought to' in professional emails or academic papers to sound more sophisticated than 'should'.

Probability tool

Use 'ought to' when you are 90% sure something will happen based on a plan or logic.

Duty calls

Use 'ought' when you want to talk about a person's conscience or social responsibility.

Expressing Regret

Use 'ought to have' to talk about things you wish you had done differently. It's great for journaling.

The 'Otta' sound

Listen for 'otta' in movies. It's how native speakers usually say 'ought to' when they are speaking fast.

Ought vs Must

Remember that 'ought' is a suggestion of duty, while 'must' is a requirement. Don't use 'ought' for strict laws.

Ashamed

The phrase 'You ought to be ashamed' is very strong. Use it only when you are truly upset with someone's behavior.

Persuasion

In persuasive writing, 'ought' sounds more objective and less like a personal opinion than 'should'.

Silent GH

The 'gh' is never pronounced. It rhymes perfectly with 'caught' and 'thought'.

记住它

记忆技巧

Think of 'Ought' as 'Owe' + 'Duty'. You 'ought' to do what you 'owe' to your conscience.

视觉联想

Imagine a balanced scale. On one side is the action, and on the other is the word 'OUGHT.' The scale is perfectly level when you do the right thing.

Word Web

Duty Right Expected Moral Advice Should Obligation Logic

挑战

Try to write three sentences about your weekend: one thing you 'ought to' do (duty), one thing that 'ought to' happen (probability), and one thing you 'ought to have' done (regret).

词源

Derived from the Old English word 'ahte,' which was the past tense of 'agan' (to owe or possess).

原始含义： Originally meant 'owed' or 'possessed.' It transitioned from meaning a financial debt to a moral debt.

Germanic (Old English, related to Old High German 'eigan').

文化背景

Be careful using 'ought' with friends; it can sometimes sound like you are lecturing them or being 'preachy.'

Used more frequently in British English to sound polite or slightly indirect.

The Declaration of Independence: '...they ought to be free and independent states.' Jane Austen novels: Frequently used to discuss social propriety. The idiom 'Ought to be in pictures' from early Hollywood.

在生活中练习

真实语境

Giving Medical Advice

You ought to see a doctor.
You ought to rest.
You ought to take your medicine.
You ought to drink fluids.

Discussing a Schedule

The bus ought to be here.
We ought to arrive by six.
It ought to take an hour.
The meeting ought to start.

Expressing Regret

I ought to have listened.
I ought to have stayed.
I ought to have known.
I ought to have helped.

Moral Debates

We ought to help them.
Everyone ought to have rights.
There ought to be justice.
One ought to be honest.

Workplace Expectations

You ought to finish the report.
We ought to call the client.
The project ought to succeed.
He ought to be more professional.

对话开场白

"What do you think people ought to do more of to help the environment?"

"Do you think children ought to be allowed to use smartphones in school?"

"What is one thing you ought to have done differently in your career?"

"How much money do you think a person ought to save every month?"

"What ought to be the most important quality in a world leader?"

日记主题

Reflect on a time you didn't do what you ought to have done. How did it make you feel?

Write about a social rule that you think ought to be changed and explain why.

What are three things you ought to accomplish by the end of this year?

Describe a situation where logic suggested one thing ought to happen, but the opposite occurred.

If you were in charge of your city, what new laws do you think there ought to be?

常见问题

10 个问题

Yes, they are very similar and often interchangeable. However, 'ought to' is slightly more formal and emphasizes a moral duty or a logical expectation more strongly than 'should.' Also, 'ought' requires 'to,' while 'should' does not.

No, that is grammatically incorrect. You must always use 'to' after 'ought' when followed by another verb. The correct form is 'I ought to go.'

The formal negative is 'ought not to.' In British English, you might hear the contraction 'oughtn't.' In casual American English, people usually just use 'shouldn't' instead.

You use 'ought to have' followed by the past participle of the verb. For example: 'I ought to have studied more.' This usually expresses regret about something you didn't do.

It is less common than 'should' in daily conversation, but it is still used in formal writing, legal contexts, and when someone wants to sound very serious about a moral point.

Yes, it is considered a modal verb (or semi-modal). It doesn't change its form for different subjects (I ought, he ought) and it doesn't use 'do' in questions or negatives.

Yes, but it sounds very formal. For example: 'Ought we to tell him?' Most people would say 'Should we tell him?' instead.

It's a common idiom used when someone is frustrated by a situation they think is wrong or unfair. It means 'this situation is so bad that it should be illegal.'

Yes. You can use it to say that something is likely to happen. For example: 'The weather ought to be nice tomorrow' means you expect it to be nice.

No, 'had ought' is considered non-standard or incorrect in formal English. You should just use 'ought to.'

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