Modal Verbs in English Grammar
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Questions and Answers

In the sentence 'You can go to the party,' what is the function of 'can'?

  • to express obligation
  • to express permission (correct)
  • to express possibility
  • to express necessity

    • What is the function of 'must' in the sentence 'You must attend the meeting'?

  • to express ability
  • to express possibility
  • to express permission
  • to express necessity (correct)

    • Which of the following modal verbs is used to express formal or polite permission?

  • must
  • may (correct)
  • could
  • can

    • What is the function of 'may' in the sentence 'It may rain tomorrow'?

    <p>to express possibility</p> Signup and view all the answers

    Which of the following modal verbs is used to express ability or capacity?

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

    What is the function of 'should' in the sentence 'You should do your homework'?

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

    Which of the following modal verbs is used to express prohibition?

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

    What is the function of 'have to' in the sentence 'You have to attend the meeting'?

    <p>to express necessity</p> Signup and view all the answers

    Match the modal verbs with their functions related to ability:

    <p>Can = General ability Could = Past ability May = Formal permission Must = Strong obligation</p> Signup and view all the answers

    Match the modal verbs with their functions related to necessity:

    <p>Must = Strong necessity Have to = General necessity Should = Moral obligation May = Formal permission</p> Signup and view all the answers

    Match the modal verbs with their functions related to possibility:

    <p>May = Formal possibility Might = Uncertain possibility Could = General possibility Should = Moral obligation</p> Signup and view all the answers

    Match the modal verbs with their functions related to permission:

    <p>May = Formal permission Can = General permission Could = Polite permission Must = Strong obligation</p> Signup and view all the answers

    Match the modal verbs with their functions related to obligation:

    <p>Must = Strong obligation Have to = General obligation Should = Moral obligation Could = Polite permission</p> Signup and view all the answers

    Match the modal verbs with their functions related to expressing inability:

    <p>Can't = General inability Couldn't = Past inability May not = Formal prohibition Mustn't = Strong prohibition</p> Signup and view all the answers

    Match the modal verbs with their functions related to expressing lack of necessity:

    <p>Don't have to = Lack of general necessity Mustn't = Strong prohibition May not = Formal prohibition Shouldn't = Moral obligation</p> Signup and view all the answers

    Match the modal verbs with their functions related to expressing impossibility:

    <p>May not = Formal impossibility Might not = Uncertain impossibility Couldn't = General impossibility Shouldn't = Moral obligation</p> Signup and view all the answers

    Study Notes

    Modal verbs are auxiliary verbs that express degrees of modality, such as possibility, necessity, and obligation. They are used to express the speaker's attitude towards the action or state described by the main verb.

    Permission

    • Can/Could/May + infinitive: used to express permission or permission in the past
      • Example: "You can go to the party." (present permission)
      • Example: "You could go to the party." (past permission)
      • Example: "You may go to the party." (formal or polite permission)
    • Must not: used to express prohibition or something that is not allowed
      • Example: "You must not go to the party." (prohibition)

    Necessity

    • Must: used to express necessity, obligation, or requirement
      • Example: "You must attend the meeting." (necessity)
      • Example: "You must try this cake." (strong recommendation)
    • Have to: used to express necessity, obligation, or requirement (more formal than "must")
      • Example: "You have to attend the meeting." (necessity)
    • Need to: used to express necessity or requirement (less formal than "must" or "have to")
      • Example: "You need to attend the meeting." (necessity)

    Possibility

    • Can/Could: used to express possibility or ability
      • Example: "It can be very hot in the summer." (possibility)
      • Example: "He could speak three languages." (ability in the past)
    • May/Might: used to express possibility or uncertainty
      • Example: "It may rain tomorrow." (possibility)
      • Example: "He might be late." (uncertainty)

    Ability

    • Can/Could: used to express ability or capacity
      • Example: "I can speak French." (ability)
      • Example: "He could play the guitar." (ability in the past)
    • Be able to: used to express ability or capacity (more formal than "can")
      • Example: "I am able to speak French." (ability)

    Obligation

    • Must: used to express obligation or duty
      • Example: "You must do your homework." (obligation)
    • Have to: used to express obligation or duty (more formal than "must")
      • Example: "You have to do your homework." (obligation)
    • Should/Ought to: used to express obligation, duty, or moral necessity
      • Example: "You should do your homework." (obligation)
      • Example: "You ought to try this cake." (moral necessity)

    Permission

    • Can, Could, or May + infinitive is used to express permission or permission in the past
    • "Can" is used for present permission, "Could" for past permission, and "May" for formal or polite permission
    • Examples: "You can go to the party.", "You could go to the party.", "You may go to the party."
    • "Must not" is used to express prohibition or something that is not allowed, e.g. "You must not go to the party."

    Necessity

    • "Must" is used to express necessity, obligation, or requirement, e.g. "You must attend the meeting."
    • "Must" can also express a strong recommendation, e.g. "You must try this cake."
    • "Have to" is used to express necessity, obligation, or requirement in a more formal tone, e.g. "You have to attend the meeting."
    • "Need to" is used to express necessity or requirement in a less formal tone, e.g. "You need to attend the meeting."

    Possibility

    • "Can" or "Could" is used to express possibility or ability, e.g. "It can be very hot in the summer.", "He could speak three languages."
    • "May" or "Might" is used to express possibility or uncertainty, e.g. "It may rain tomorrow.", "He might be late."

    Ability

    • "Can" or "Could" is used to express ability or capacity, e.g. "I can speak French.", "He could play the guitar."
    • "Be able to" is used to express ability or capacity in a more formal tone, e.g. "I am able to speak French."

    Obligation

    • "Must" is used to express obligation or duty, e.g. "You must do your homework."
    • "Have to" is used to express obligation or duty in a more formal tone, e.g. "You have to do your homework."
    • "Should" or "Ought to" is used to express obligation, duty, or moral necessity, e.g. "You should do your homework.", "You ought to try this cake."

    Ability

    • Can expresses general abilities, e.g. "I can speak French."
    • Could expresses specific situations or past abilities, e.g. "I could swim when I was a child."
    • Can't and couldn't express inability.

    Necessity

    • Must expresses strong necessity, e.g. "You must attend the meeting."
    • Have to expresses general necessity, e.g. "I have to go to work tomorrow."
    • Mustn't and don't have to express lack of necessity.

    Possibility

    • May expresses formal or official possibilities, e.g. "You may leave the room."
    • Might expresses uncertain possibilities, e.g. "It might rain tomorrow."
    • Could expresses general possibilities, e.g. "I could go to the movies tonight."
    • May not, might not, and couldn't express impossibility.

    Permission

    • May expresses formal or official permission, e.g. "You may smoke in this area."
    • Can expresses general permission, e.g. "I can go to the party tonight."
    • Could expresses polite permission, e.g. "Could I have a drink, please?"
    • May not, can't, and couldn't express prohibition.

    Obligation

    • Must expresses strong obligation, e.g. "You must attend the meeting."
    • Have to expresses general obligation, e.g. "I have to go to work tomorrow."
    • Should and ought to express moral obligation, e.g. "You should help your friend."
    • Don't have to expresses lack of obligation.

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    Description

    Learn about modal verbs, including can, could, may, and more, and how they express possibility, necessity, and obligation in English grammar.

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