Modal auxiliaries are verbs that help to express various shades of meaning, such as ability, possibility, permission, obligation, and necessity. Here’s a list of at least 12 modal auxiliary verbs, along with examples and explanations for each:
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Can
- Example: She can swim well.
- Explanation: Indicates ability (the capability to perform a task).
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Could
- Example: When I was younger, I could run fast.
- Explanation: Indicates past ability or a possibility in the present or future.
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May
- Example: You may leave the table.
- Explanation: Suggests permission or indicates a possibility.
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Might
- Example: It might rain tomorrow.
- Explanation: Indicates a weaker possibility compared to "may."
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Must
- Example: You must wear a seatbelt.
- Explanation: Indicates obligation or necessity.
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Shall
- Example: I shall return by evening.
- Explanation: Used to indicate future actions, often more formal or in legal contexts.
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Should
- Example: You should see a doctor.
- Explanation: Indicates advice or recommendation.
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Will
- Example: I will help you with your homework.
- Explanation: Indicates future intention or determination.
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Would
- Example: I would go if I were you.
- Explanation: Indicates a conditional situation, often used for politeness or hypothetical situations.
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Ought to
- Example: You ought to apologize.
- Explanation: Indicates a moral obligation or recommendation, similar to "should."
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Need to
- Example: You need to finish your project by Friday.
- Explanation: Indicates necessity, similar to "must" but often implies that it’s more about requirements rather than obligations.
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Used to
- Example: I used to play basketball.
- Explanation: Indicates a past habit or state that no longer exists.
Summary of Modal Auxiliaries
- Ability: can, could
- Possibility: may, might
- Permission: may
- Obligation/Necessity: must, need to
- Advice/Recommendation: should, ought to
- Future Intention: will, shall
- Hypothetical Situations: would, could
These modals can significantly change the meaning of the sentence, so it is important to choose the appropriate one based on the context.