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Should, ought to and had better - Coggle Diagram
Should, ought to and had better
obligations, recommendations and probability
should
- You should finish your homework before you go out.
- It should be ready by now.
ought to
- You ought to finish your homework before you go out.
- It ought to be ready by now.
should vs ought to
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when we conclude that sth is certain or very likely we use must, not should / ought to
should not ought to
outside authority
- The manual says that the computer should be disconnected from the power supply before the cover is removed.
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in questions, particularly with "wh-questions"
- What should I do if I have any problems?
- Should I ring you at home?
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-
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had better
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talking about the past
- I should have caught a later train.
- I ought to have caught a later train.
general statements
- I don't think parents should give children sweets.
- I don't think parents ought to give children sweets.
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Negative
(had better not)
- He'd better not be late again or he'll be in trouble.
questions
(subject + had)
- Had we better get a taxi?
