Business Grammar · Lesson 1

Written vs. Spoken English

Learn how effective written business English differs from everyday spoken English, including colloquialisms, abbreviated words, passive voice, and wordiness.

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Overview

Learn how effective written business English differs from everyday spoken English, including colloquialisms, abbreviated words, passive voice, and wordiness.

What You Will Learn

  • Explain how written business English differs from everyday spoken English.
  • Identify colloquialisms that may be inappropriate in business writing.
  • Recognize abbreviated spoken forms that should be avoided in formal writing.
  • Distinguish active voice from passive voice.
  • Revise wordy sentences to make them clearer and more concise.

Before You Begin

  • Basic reading and writing skills
  • No prior grammar course required

Why This Matters

Business readers often judge credibility by the clarity and professionalism of written communication. Knowing when spoken habits do not belong in formal writing helps prevent misunderstanding and protects professional reputation.

Plan Your Study

  • Read the lesson and examples.
  • Watch the instructional video.
  • Complete the guided practice.
  • Check your understanding before continuing.
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Learn Written vs. Spoken English

Learn how effective written business English differs from everyday spoken English, including colloquialisms, abbreviated words, passive voice, and wordiness.

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Written vs. Spoken English

The rules for spoken and written communication are different

Written and spoken English are usually different. Spoken English is often less formal than written English. Spoken English is also less likely to follow correct grammatical rules. In a business environment, written communication should be formal and correct.

If your written communication is as informal and as grammatically incorrect as your spoken English, people may tend to judge you as being less intelligent than you really are. If you compose a letter or memo that is full of obvious errors, your reputation may suffer.

Things to Avoid in Written English

There are some major differences between accepted spoken English and accepted written English, especially in the business setting. Some of the things you want to avoid in writing are:

Colloquialisms

Colloquialisms are informal words or phrases that we often use when speaking but are not always appropriate in business communication. Colloquialisms may be acceptable in personal letters and e-mails, but they should not be used in business communication such as letters, memos, and reports.

Some Examples

Examples of colloquialisms in business writing

Colloquialisms can often lead to misunderstandings, especially when read by someone who is not familiar with common slang and colloquial terms. When writing, always try to write so that you can be understood by someone for whom English is not a primary language. Doing so will help you avoid colloquialisms that may be misinterpreted if they are taken literally.

Abbreviated Words

When we speak, we often abbreviate words. These abbreviated words often do not even exist in written English. Proper business communications should not include abbreviated words like those shown below. Thankfully, most spell checkers in word processors will mark abbreviated words as misspelled.

Examples of abbreviated words to avoid in business writing

Passive Voice

Passive voice obscures the subject of the sentence. People may use passive voice deliberately in an attempt to shift blame, for example, or it may simply be their normal style of writing.

While passive voice is appropriate in some business settings, it is almost always better to communicate in active voice. Passive voice often results in sentences that are much wordier than those using active voice. When you use passive voice, you are more likely to be misunderstood.

Active and passive voice examples

Wordiness

Some people think using more words in their writing makes them appear more intelligent. The result is often just the opposite. Wordiness can often bore your readers.

In your writing, strive to be precise and to get directly to the point. Say enough to be understood clearly and no more.

Examples of wordy and concise business writing
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Practice Written vs. Spoken English

Identify choices that make business writing clearer, more formal, and easier to understand.

Guided Practice

  • Rewrite an informal or colloquial sentence so it is appropriate for a business memo.
  • Replace an abbreviated spoken form with standard written English.
  • Rewrite a passive sentence in active voice when the person performing the action is known.
  • Shorten a wordy sentence without changing its meaning.

Challenge Yourself

  • Edit a short business email that contains colloquialisms, abbreviations, passive voice, and unnecessary wording.
  • Explain when passive voice might still be appropriate in business writing.

Check Your Understanding

  • How does written business English usually differ from spoken English?
  • Why can colloquialisms cause misunderstandings?
  • How can passive voice obscure responsibility?
  • Why does concise writing often communicate more effectively?

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Written vs. Spoken English: Instructor Resources

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Instructor Resources

Classroom-ready objectives, teaching ideas, questions, and assessment materials for this chapter.

Learning Objectives

  • Explain how written business English differs from everyday spoken English.
  • Identify colloquialisms that may be inappropriate in business writing.
  • Recognize abbreviated spoken forms that should be avoided in formal writing.
  • Distinguish active voice from passive voice.
  • Revise wordy sentences to make them clearer and more concise.

Prerequisite Knowledge

  • Basic reading and writing skills
  • No prior grammar course required

Teaching Outline

  • Compare spoken and written communication.
  • Discuss formality and grammatical expectations in business writing.
  • Identify colloquialisms and possible misunderstandings.
  • Review abbreviated spoken forms.
  • Compare active and passive voice.
  • Revise wordy sentences for clarity and concision.

Key Concepts

  • Spoken English is often less formal than written business English.
  • Colloquialisms may confuse readers who do not share the same informal expressions.
  • Abbreviated spoken forms generally do not belong in formal business documents.
  • Passive voice can obscure who performed an action.
  • Concise writing is usually easier to understand.

Classroom Demonstration

  • Display an informal email and ask students to revise it for a business audience.
  • Rewrite one passive sentence in active voice.
  • Reduce a wordy sentence while preserving its meaning.

Questions to Ask

  • Why might a phrase that works in conversation fail in a business memo?
  • When can passive voice be useful?
  • How can wordiness affect a reader’s understanding?

Teaching Notes

  • The unrelated percentage paragraph in the older source file has been removed.
  • Encourage students to consider readers who may not share their slang or colloquial expressions.
  • Treat active voice as a strong default rather than an absolute rule.

Assessment Ideas

  • Edit a short business message for formality and clarity.
  • Identify colloquialisms, abbreviations, passive voice, and wordiness.
  • Rewrite selected sentences in a more professional style.

Grading Rubric

CriterionPoints
Inappropriate informal language identified2
Abbreviated forms corrected2
Voice revised appropriately2
Wordiness reduced without changing meaning2
Final writing is clear and professional2
Total10

Exam and Discussion Questions

Basic

  • Define colloquialism.
  • State one difference between spoken and written business English.

Applied

  • Rewrite an informal sentence for a business audience.
  • Change a passive sentence to active voice.

Conceptual

  • Explain why colloquialisms can create misunderstandings.
  • Explain why concise writing can improve business communication.
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