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      Using modality in persuasive letter writing

      Lesson details

      Learning outcome

      I can explain the purpose of modality and use it for effect in my own persuasive writing.

      Key learning points

      1. Modal verbs are verbs that indicate likelihood, ability, permission or obligation.
      2. We might sort modal verbs into categories of low, medium and high modality.
      3. Words with low modality may convey a sense of uncertainty to your writing.
      4. Words with high modality are considered the most persuasive since they convey confidence and obligation.

      Keywords

      • Modal verb - verbs that indicate likelihood, ability, permission or obligation

      • Persuade - convince (someone) to do something through reasoning or argument

      • Compelled - having to do something, because you are forced to or feel it is necessary

      • Obligation - an act or course of action to which a person is morally or legally bound; a duty or commitment

      Common misconception

      It is the content of your argument that makes it persuasive rather than the construction.

      The way you construct your argument directly impacts how persuasive it is to the reader.

      Teacher tip

      It might be useful to spend more time considering further examples of how words with medium modality may create a less aggressive tone.

      Licence

      This content is © Oak National Academy Limited (2025), licensed on Open Government Licence version 3.0
      except where otherwise stated. See Oak's terms & conditions
      (Collection 2).

      Lesson video

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      Prior knowledge starter quiz

      6 Questions

      Q1.
      'A written, typed or printed communication, sent in an envelope by post or messenger' is the definition of which word beginning with 'l'?

      Correct Answer: letter, a letter

      Q2.
      'Done in accordance with convention or etiquette; suitable for something official' is the definition of which word beginning with 'f'?

      Correct Answer: formal

      Q3.
      In a formal letter, if you know the recipient's name is Ian Smith then which of the following salutations could you use?

      Dear Sir
      Correct answer: Dear Mr. Smith
      Dear Sir or Madam
      Correct answer: Dear Ian Smith

      Q4.
      In a formal letter, if you have used the name of the recipient as the salutation then you should which of the following as a sign off?

      Kinds regards
      Best wishes
      Correct answer: Yours sincerely
      Yours faithfully

      Q5.
      'Convince (someone) to do something through reasoning or argument' is the definition of which word beginning with 'p'?

      Correct Answer: persuade, persuasive

      Q6.
      In a formal letter, which of the following goes in the top right-hand corner of the letter?

      recipient's address
      salutation
      Correct answer: sender's address

      6 Questions

      Q1.
      'Verbs that indicate likelihood, ability, permission or obligation' are the definition of verbs.

      Correct Answer: modal

      Q2.
      Match the modal verb with the level of modality.

      Correct Answer:might,low modality

      low modality

      Correct Answer:should,medium modality

      medium modality

      Correct Answer:must,high modality

      high modality

      Q3.
      Arguably, words with high modality convey a sense of __________ in your writing.

      uncertainty
      Correct answer: confidence
      neutrality

      Q4.
      'Having to do something, because you are forced to or feel it is necessary' is the definition of which of the following?

      subjective
      voluntary
      Correct answer: compelled

      Q5.
      Arguably, words with modality are the most effective for persuasive writing.

      Correct Answer: high

      Q6.
      'An act or course of action to which a person is morally or legally bound; a duty or commitment' is the definition of which word beginning with 'o'?

      Correct Answer: obligation, obliged

      To help you plan your 10 English lesson on: Using modality in persuasive letter writing, download all teaching resources for free and adapt to suit your pupils' needs...