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October 18, 2026

Letters: formal and informal

ZIMSEC O Level · English Language · Form 1, Form 2, Form 3, Form 4

Informal letters (to friends and family)

  • Your address and the date in the top right corner.
  • Greeting: “Dear Rudo,”
  • Friendly, personal tone; contractions are allowed.
  • Ending: “Your friend,” or “Love,” followed by your first name.

Formal letters (to organisations and officials)

  • Your address and the date at the top right; the recipient's title and address on the left, below.
  • Greeting: “Dear Sir/Madam,” or “Dear Mr Moyo,”
  • A subject line, e.g. “RE: APPLICATION FOR THE POST OF SHOP ASSISTANT” (underlined or in capitals).
  • Polite, clear and to the point: introduction (why you are writing), body (details), conclusion (what you want done).
  • Ending: “Yours faithfully,” after “Dear Sir/Madam”; “Yours sincerely,” after a named person. Then your signature and full name.

Common formal letters

Applications for jobs or places, complaints, requests, letters to the editor.

Exam tip: Match the ending to the greeting – “Dear Sir/Madam” goes with “Yours faithfully”.

Check yourself

  1. Which ending goes with “Dear Mrs Ncube”?
  2. Give two differences between a formal and an informal letter.
  3. Write a suitable subject line for a letter complaining about burst sewer pipes in your area.
Show answers
  1. Yours sincerely,
  2. Any two: formal has the recipient's address, a subject line, formal language and “Yours faithfully/sincerely”; informal is chatty and uses first names.
  3. RE: BURST SEWER PIPES IN [AREA NAME]

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