A1 general 6 Min. Lesezeit

Ought to (Moral Obligation/Expectation)

Use `ought to` to describe the 'right' thing to do or what you expect will probably happen.

The Rule in 30 Seconds

  • Use 'ought to' for advice, moral duties, or things you expect to happen.
  • It works like 'should' but sounds more formal and emphasizes what is right.
  • The structure is always: Subject + ought to + base verb (no 's' added).
  • Negative form is 'ought not to'—never use 'don't' with this grammar rule.

Quick Reference

Subject Helper Phrase Action (Base Verb) Context
I ought to study Personal duty
You ought to apologize Advice / Moral
He / She ought to be Expectation
We ought to recycle Social duty
They ought to arrive Likelihood
It ought not to rain Negative expectation

Wichtige Beispiele

3 von 8
1

You ought to wear a coat because it is cold outside.

Deberías usar un abrigo porque hace frío afuera.

2

We ought to help our neighbors when they are in trouble.

Deberíamos ayudar a nuestros vecinos cuando tienen problemas.

3

The train ought to be here by five o'clock.

El tren debería estar aquí para las cinco.

💡

The 'To' Rule

Always think of 'ought' and 'to' as inseparable best friends. If you say one, you must say the other!

⚠️

Question Caution

Avoid using 'Ought we...?' in casual conversations. It makes you sound like a character from an old movie. Use 'Should we...?' instead.

The Rule in 30 Seconds

  • Use 'ought to' for advice, moral duties, or things you expect to happen.
  • It works like 'should' but sounds more formal and emphasizes what is right.
  • The structure is always: Subject + ought to + base verb (no 's' added).
  • Negative form is 'ought not to'—never use 'don't' with this grammar rule.

Overview

Have you ever felt like you really should do something? Maybe your mom told you to eat your broccoli. Maybe you know you need to study for that big English test. In English, we have a special way to talk about these feelings. We use the phrase ought to. It sounds a bit fancy. It sounds a bit serious. But it is very helpful! Think of it as a tool for talking about the 'right' thing to do. It is not as strong as a law. You won't go to jail if you don't do it. But people might think you are a bit rude or lazy! Yes, even native speakers mess this up sometimes. They might use it when they want to sound more professional. Think of it like a grammar traffic light. It tells you which way is the 'good' way to go. It is perfect for giving advice to friends. It is also great for talking about what we expect to happen. If you want to sound smart and polite, this is your new favorite word.

How This Grammar Works

Using ought to is actually very simple. It is a 'modal verb.' This is just a fancy name for a helper word. It helps the main action word in your sentence. One of the best things about it? It never changes! You don't need to add an s for he, she, or it. You don't need to change it for they or we. It stays exactly the same every single time. It is like a loyal dog that always sits in the same spot. You just put your subject first, then ought to, and then the simple action word. No -ing, no -ed, and no to after the second verb. Wait, actually, the to is already part of the ought to package! Think of it like a combo meal at a fast-food place. You can't buy the burger without the fries in this specific case.

Formation Pattern

  1. 1Creating a sentence with ought to is as easy as 1-2-3. Follow these steps:
  2. 2Choose your person: Start with I, You, He, She, It, We, or They.
  3. 3Add the helper: Place ought to right after the person.
  4. 4Add the action: Use the base form of any verb (like eat, go, sleep).
  5. 5Positive: You + ought to + help. (You ought to help.)
  6. 6Negative: You + ought not to + help. (You ought not to help.)
  7. 7Question: Ought + you + to + help? (Ought you to help? - Note: This is very rare and sounds like a 19th-century poet!)

When To Use It

You can use ought to in three main situations. First, use it for advice. If your friend has a cough, you can say, You ought to see a doctor. It sounds a bit more serious than should. Second, use it for moral duties. This means doing the 'right' thing because it is good. For example, We ought to help the poor. It feels like a rule in your heart, not a rule in a book. Third, use it for expectations. If you ordered a pizza 40 minutes ago, you could say, The pizza ought to be here soon. You expect it to arrive because that is what usually happens. Think of it like a weather forecast for your life. You are saying what you think is likely or correct. It works great in job interviews too! If an interviewer asks how you handle stress, you can say, I ought to stay calm in difficult moments. It shows you know how to behave correctly.

When Not To Use It

Don't use ought to for laws or very strong commands. If a police officer tells you to stop, he won't say, You ought to stop. He will say, You must stop! Ought to is for things that are 'good' but not 'forced.' Also, don't use it for small, unimportant choices. If you are choosing between a blue pen and a black pen, you don't say, I ought to use the blue one. That sounds way too dramatic! Keep it for things that matter. Also, try to avoid it in questions when talking to friends. If you ask a friend, Ought we to go?, they might look at you like you are wearing a tuxedo to a beach party. It is just a bit too formal for casual hangouts.

Common Mistakes

The biggest mistake is forgetting the to. Many learners say, I ought go. This is wrong! It is like trying to drive a car with no wheels. You must always include the to. Another mistake is adding an s. Do not say, He oughts to help. The word ought never changes. Also, be careful with the negative form. It is ought not to. Some people try to say don't ought to, but that is a grammar nightmare! Just put not right in the middle of the ought and the to. Think of not like a tiny wall separating the two friends. Finally, don't use it for things in the past without extra help. You can't say I oughted to. To talk about yesterday, you need a different structure entirely.

Contrast With Similar Patterns

You probably know the word should. Should and ought to are like twins, but one is a bit more serious. Should is common, friendly, and easy. Ought to is formal, traditional, and heavy. If you say You should help, you are just giving a tip. If you say You ought to help, you are saying it is your duty as a human being! It carries more weight. Another similar pattern is must. Must is a giant boss. It gives no choice. Ought to is a wise teacher. It tells you what is best, but you still have the freedom to choose. Use should for 90% of your day, and save ought to for that extra 10% when you want to sound meaningful or very polite.

Quick FAQ

Q. Is ought to old-fashioned?

A. A little bit, but people still use it in writing and formal speech. Think of it like a classic watch—it never really goes out of style.

Q. Can I use it with my cat?

A. You can, but The cat ought to stop scratching the sofa sounds very funny and formal!

Q. Is there a short version?

A. Yes, oughtn't exists, but it is very hard to say. Most people just say ought not to or use shouldn't instead.

Q. Can I use it at a restaurant?

A. Sure! You ought to try the fish is a great way to recommend a dish to a guest.

Reference Table

Subject Helper Phrase Action (Base Verb) Context
I ought to study Personal duty
You ought to apologize Advice / Moral
He / She ought to be Expectation
We ought to recycle Social duty
They ought to arrive Likelihood
It ought not to rain Negative expectation
💡

The 'To' Rule

Always think of 'ought' and 'to' as inseparable best friends. If you say one, you must say the other!

⚠️

Question Caution

Avoid using 'Ought we...?' in casual conversations. It makes you sound like a character from an old movie. Use 'Should we...?' instead.

🎯

The 'Not' Sandwich

To make it negative, put 'not' in the middle: 'ought + not + to'. It's easier than remembering a complex contraction!

💬

Sounding Professional

In British English, 'ought to' is slightly more common than in American English. Use it in business emails to sound very respectful.

Beispiele

8
#1 Basic Advice

You ought to wear a coat because it is cold outside.

Focus: ought to wear

Deberías usar un abrigo porque hace frío afuera.

A polite suggestion based on the weather.

#2 Moral Obligation

We ought to help our neighbors when they are in trouble.

Focus: ought to help

Deberíamos ayudar a nuestros vecinos cuando tienen problemas.

This describes a 'good' thing to do.

#3 Expectation

The train ought to be here by five o'clock.

Focus: ought to be

El tren debería estar aquí para las cinco.

Based on the schedule, we expect the train.

#4 Formal Suggestion

Employees ought to report any problems to the manager.

Focus: ought to report

Los empleados deberían informar cualquier problema al gerente.

Common in workplace handbooks.

#5 Mistake Corrected

✗ You ought go home. → ✓ You ought to go home.

Focus: ought to go

Deberías ir a casa.

Never forget the 'to'!

#6 Mistake Corrected

✗ He oughts to study. → ✓ He ought to study.

Focus: ought to study

Él debería estudiar.

Do not add 's' for third person.

#7 Negative Form

You ought not to speak rudely to your parents.

Focus: ought not to speak

No deberías hablarle groseramente a tus padres.

Uses the 'not' between 'ought' and 'to'.

#8 Advanced Usage

The movie ought to have finished by now.

Focus: ought to have finished

La película ya debería haber terminado.

Using 'ought to' for a past expectation.

Teste dich selbst

Choose the correct phrase to complete the sentence about a moral duty.

We ___ respect the elderly.

✓ Richtig! ✗ Nicht ganz. Richtige Antwort: a

We use 'ought to' plus the base verb. 'Ought' without 'to' is incomplete, and 'oughts' is not a word.

Complete the negative sentence about advice.

You ___ eat too much junk food.

✓ Richtig! ✗ Nicht ganz. Richtige Antwort: b

The correct negative form is 'ought not to'. We never use 'do' or 'don't' with 'ought'.

Which verb form follows 'ought to'?

She ought to ___ her homework before dinner.

✓ Richtig! ✗ Nicht ganz. Richtige Antwort: c

'Ought to' is followed by the base form of the verb (finish).

🎉 Ergebnis: /3

Visuelle Lernhilfen

Should vs. Ought To

Should
Common Used every day.
Casual Great for friends.
Ought To
Formal Used in books/news.
Serious Focuses on 'Duty'.

Choosing the Right Helper

1

Is it a law?

YES ↓
NO
Go to next step...
2

Use MUST

YES ↓
NO
3

Is it a 'Good' or 'Correct' thing?

YES ↓
NO
Use 'Might' or 'Can'.
4

Use OUGHT TO

YES ↓
NO

Examples by Situation

💼

Work

  • You ought to arrive on time.
  • We ought to check the email.
🤝

Social

  • You ought to say thank you.
  • They ought to be polite.
🍎

Health

  • You ought to exercise more.
  • He ought to eat fruit.

Häufig gestellte Fragen

20 Fragen

No, you cannot. Always use the base form of the verb, so it should be I ought to go. Adding -ing is a common mistake for learners.

Yes, it usually feels a bit stronger because it emphasizes a moral duty or a correct standard. Should is just a general suggestion.

You put 'Ought' at the beginning, like Ought we to go?. However, this is so formal that most people just use Should we go? instead.

Yes! You can say We ought to meet tomorrow. It implies that meeting tomorrow is the right thing or expected thing to do.

Not directly. To talk about the past, you must say ought to have followed by a past participle, like You ought to have told me.

Yes, but it sounds a bit funny. For example, The dog ought to sit sounds like you are giving the dog a very formal lecture!

It is quite rare nowadays, especially in American English. Most people prefer to say ought not to or just switch to shouldn't.

It simply means doing something because it is the 'right' thing to do. For example, returning a lost wallet is a moral obligation; you ought to do it.

Yes, it's a great choice! Saying I ought to mention my experience sounds very professional and polite to the interviewer.

Native speakers will probably still understand you, but it will sound 'broken.' Always try to include the to to keep your grammar clean.

No. Have to is a strong requirement or a law. Ought to is a suggestion of what is best or right, but you still have a choice.

Absolutely! If the sky is clear, you can say It ought to be a sunny day. This shows you expect sun based on the sky.

Books often use formal language to be precise. Ought to adds a layer of seriousness that should sometimes lacks.

No. Never add an 's' to ought. It is a modal verb, and modal verbs never change their form based on the person.

Not exactly. It means 'likely' or 'the right thing.' It is stronger than a 'maybe' but weaker than a 'definitely'.

Yes! You ought to try the pizza here is a very common and polite way to recommend good food to a friend.

It is used in both, but it is slightly more popular in British English. Americans tend to use should or supposed to more often.

Yes, you might hear it in classic songs or folk music because it has a nice, traditional rhythm to it.

No, that is incorrect. Use You ought not to instead. We don't use the helper word 'do' with modal verbs like 'ought'.

It is usually introduced at A1 or A2. Even though it looks a bit long, the rules for using it are very simple and consistent!

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