How do I choose the right level of formality, so my writing sounds suitable for the person reading it?
Match tone and register to the audience and purpose of a situational writing task, choosing appropriate vocabulary, openings and closings for formal and informal situations
How to choose the right tone and register for a Situational Writing task, matching formality to the audience and purpose so a letter to a principal sounds different from an email to a friend.
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What this dot point is asking
SEAB wants your Situational Writing to use the right tone and register: the level of formality and the feeling of your writing, matched to who is reading and why. A letter to a principal should sound respectful and formal; an email to a friend should sound warm and casual. Section B rewards a response whose tone fits its audience and purpose all the way through, so choosing the right register and keeping it consistent is a key skill for this paper. Get it wrong and even correct, well-organised writing feels out of place.
The answer
What tone and register mean
Register is how formal or informal your language is. Tone is the feeling your writing gives, such as polite, friendly, firm or apologetic. The two work together: a complaint can be firm yet polite; an invitation can be warm yet clear. You choose both based on the audience (who reads it) and the purpose (why you are writing).
Formal register
Use a formal register for readers in authority or people you do not know: a principal, a manager, an editor, an official. Formal writing uses full forms (do not, not don't), avoids slang, uses polite phrases ("I am writing to", "I would be grateful if"), and keeps a respectful, measured tone. Greetings and sign-offs are formal too ("Dear Sir or Madam", "Yours faithfully").
Informal register
Use an informal register for people you know well, especially friends and close family. Informal writing can use short forms (don't, can't), friendly openings ("Hi", "Hey"), everyday words, and a personal, warm tone. It can show feeling openly ("I'm so excited", "I was really upset"). The sign-off is casual too ("See you soon", "Love").
Keep it consistent
The most common mistake is mixing registers: starting formally and slipping into slang, or starting casually and turning stiff. Decide your register from the audience and purpose, then keep it consistent from the greeting to the sign-off. If you would not say it to that reader in real life, do not write it.
Examples in context
Example 1. A thank-you to a guest speaker. Because the reader is an adult you do not know well and the purpose is to thank them sincerely, the register is formal and the tone warm but respectful: "Dear Dr Ng, On behalf of my class, thank you for your inspiring talk on careers in science." Slang or short forms would feel out of place.
Example 2. An invitation to a friend. Because the reader is a friend and the purpose is to invite them to your party, the register is informal and the tone excited: "Hey Mei, I'm having a birthday party this Saturday and I'd love for you to come!" Here a stiff, formal opening would sound cold and wrong for the situation.
Try this
Cue. Choose the register for a letter to your Member of Parliament about a community issue, and give one feature of it. Formal register: use polite phrases like "I am writing to raise" and full forms, with a respectful tone throughout.
Cue. Rewrite "Hey, gimme back my money" so it is firm but polite for a shop manager. For example: "I would be grateful if you could arrange a refund as soon as possible." This keeps the firmness but uses a polite, formal tone.
Cue. Explain why the same news is written differently to a teacher and a friend. The audience changes the register: a teacher needs a formal, respectful tone, while a friend invites a warm, casual one, even though the information is the same.
Exam-style practice questions
Practice questions written in the style of SEAB exam questions on this dot point, with worked answer explainers. The year tag is the paper they imitate, not the source.
Original10 marksYou need to write to two different readers about the same school trip being cancelled: one is your principal and one is your best friend. Show how the tone and register would differ by writing an opening line for each, and explain your choices.Show worked answer →
To the principal (formal): "Dear Mr Tan, I am writing to express my disappointment that the Geography field trip on 12 July has been cancelled, and to ask whether it might be rescheduled." This is polite, uses full forms, and respects his authority.
To the friend (informal): "Hey Sarah, you won't believe it - the Geography trip's been cancelled! I'm so gutted, we were really looking forward to it." This is warm, uses short forms and casual words, and shows personal feeling.
Explanation: the principal is an adult in authority, so the register is formal, with no slang and a respectful tone. The friend is an equal I know well, so the register is informal and friendly. The information is the same, but the audience changes how I say it.
What markers reward: a clear, consistent formal tone for the principal and a clear, consistent informal tone for the friend, with vocabulary and openings that match each audience.
Original8 marksA student writes to a shop manager: 'Hey, your phone is rubbish and I want my money back now.' Rewrite this opening in an appropriate tone and explain what was wrong with the original.Show worked answer →
Rewrite: "Dear Sir or Madam, I am writing to report a problem with a mobile phone I bought from your shop on 3 May, and to request a refund or replacement."
What was wrong: the original is far too casual and rude for a complaint to a shop manager. "Hey" is too informal, "rubbish" is impolite, and "now" sounds demanding. A complaint is more effective when it stays polite and firm, because a respectful tone is more likely to get a helpful response and it suits the formal context.
What markers reward: recognising that the audience (a manager you do not know) and purpose (an effective complaint) call for a polite, formal register, and producing an opening that is firm but courteous.
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