Should vs. Ought To: Usage Guide

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Questions and Answers

Which modal verb is generally preferred in spoken English when expressing a strong recommendation or urgency?

  • Ought to
  • Had better (correct)
  • Must
  • Should

When giving advice to someone starting with 'I', it is more appropriate to use 'ought to' rather than 'should'.

False (B)

For expressing obligations and recommendations, both 'should' and _____ can be used, although the former is more common in general.

ought to

Which of the following sentences correctly uses 'ought to'?

<p>He ought to consider a career change; he seems unhappy. (C)</p> Signup and view all the answers

In what context is 'ought to' most frequently used, particularly in speech?

<p>obligation</p> Signup and view all the answers

To express a strong certainty based on evidence, 'should' or 'ought to' are more appropriate than 'must'.

<p>False (B)</p> Signup and view all the answers

When giving advice starting with 'If I were you,' we use 'should' or '_____', but not 'ought to'.

<p>would</p> Signup and view all the answers

Which question is grammatically correct and natural-sounding?

<p>Should I help you with that? (D)</p> Signup and view all the answers

We can use 'had better' to talk about past regrets.

<p>False (B)</p> Signup and view all the answers

To express regret about a past action, we use 'should/ought to + have + _____'.

<p>past participle</p> Signup and view all the answers

Which sentence expresses regret about a past action?

<p>You ought to have gone to the party last night. (B)</p> Signup and view all the answers

What is the negative form of 'ought to have' when expressing regret or criticism?

<p>oughtn't to have</p> Signup and view all the answers

'Should have arrived' can express an expectation that something has already happened.

<p>True (A)</p> Signup and view all the answers

In questions that are offers or requests for confirmation, we can use '_____' or 'shall'.

<p>should</p> Signup and view all the answers

In the sentence, 'I shall read the script tomorrow,' 'shall' expresses:

<p>Intention (C)</p> Signup and view all the answers

What does 'should' mean in the sentence, 'I should read the script tomorrow but I know I'll be too tired.'?

<p>ought to</p> Signup and view all the answers

'Had better' is suitable for making general comments about what people should or shouldn't do.

<p>False (B)</p> Signup and view all the answers

The negative form of 'had better' is 'had better _____'.

<p>not</p> Signup and view all the answers

Which sentence uses 'had better' to express urgency?

<p>We had better leave now, or we'll miss the train. (A)</p> Signup and view all the answers

In questions with 'had better', where does the subject come in relation to 'had'?

<p>after had</p> Signup and view all the answers

Match the modal verb phrases with their primary function:

<p>Should/Ought to + infinitive = General recommendation or obligation Should/Ought to + have + past participle = Regret or expectation about the past Had better = Strong recommendation with urgency</p> Signup and view all the answers

'should' is generally used more frequently than 'ought to'.

<p>True (A)</p> Signup and view all the answers

The manual says that the computer _____ be disconnected before removing the cover.

<p>should</p> Signup and view all the answers

Which of the following is NOT a typical use of 'should'?

<p>Expressing certainty about the present (D)</p> Signup and view all the answers

Rewrite the following sentence using 'had better': 'You should call the police quickly, there's someone downstairs.'

<p>You'd better call the police quickly, there's someone downstairs.</p> Signup and view all the answers

Flashcards

Should

Used for obligations and recommendations; also probability. More common in general use.

Ought to

Used for obligations and recommendations, especially in speech. Focuses on obligation more than probability.

Must

Used to express strong certainty or a very high likelihood based on evidence.

Regret in the past

Use 'should/ought to + have + past participle' to express regret about something that didn't happen.

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Expectation with 'should have'

Expresses expectation about a past or present event.

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Had better

Used instead of 'should/ought to', especially in spoken English, to give advice or suggestions.

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Urgent Advice

We better call the police quickly.

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Had better (urgency)

Used to express urgency or a threat.

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Recommendation

The manual says that the computer should be disconnected from the power supply.

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Giving Advice

I should leave early tomorrow, if I were you.

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Wh-Questions

If one is in trouble, what action should be taken?

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I shall

To express intention for the future.

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Correct Use Conversation Tip

He should wish he'd never bought it.

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Correct Use Conversation Tip number 2

You'd better have worn a ticker coat.

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Study Notes

  • Both 'should' and 'ought to' can express obligations, recommendations, and probability, though 'should' is more common.
  • 'Ought to' is more frequent in speech, mainly for expressing obligation.
  • When certain or very likely based on evidence, 'must' is appropriate, not 'should' or 'ought to'.

Should vs. Ought To

  • 'Should' is preferred for external authority recommendations: "The manual says the computer should be disconnected..."
  • Use 'should' (or 'would') with 'I' for advice: "I should leave early tomorrow, if I were you."
  • 'Should' is preferred in questions, especially wh-questions: "What should I do if I have any problems?"

Should / Ought To + have + past participle

  • Expresses regret about something that didn't happen: "We should/ought to have waited for the rain to stop."
  • Often indicates regret or criticism; negative forms ('shouldn't/oughtn't to have') are commonly used.
  • Also expresses expectation of something happening, having happened, or going to happen: "If the flight was on time, he should/ought to have arrived in Jakarta early this morning."

Should in Offers and Requests

  • 'Should' can be used in questions offering help or requesting confirmation/advice: "Should I phone for a taxi for you?"

Shall vs. Should

  • In some sentences, 'shall' can replace 'should' with a similar meaning.
  • 'I shall' indicates intention, while 'I should' expresses obligation or expectation: "I shall read the script (I intend to)" vs. "I should read the script (but I'm too tired)."

Had Better

  • 'Had better' replaces 'should/ought to', mainly in spoken English, for recommendations.
  • "If you're not well, you'd better ask Clare to go instead."
  • Not used for past events or general comments.

Had Better for Urgency

  • Prefer 'had better' for urgency, demands, or threats: "We'd better call the police, quickly."
  • Negative form is 'had better not': "He'd better not be late again."
  • In questions, subject comes after 'had': "Had we better get a taxi?"

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