Can "preface" be used without "by doing something"?

Yes, but the full phrase "preface sth by doing sth" emphasizes the introductory action.

Is "preface" formal or informal?

It is more formal, often used in writing or speeches.

Can I use "preface" with a noun only?

Yes, for example, "She wrote a preface for the book."

What tense is used after "by"?

The gerund (-ing form) is used after "by."

Can I replace "preface" with "introduce"?

Sometimes, but "preface" implies a more deliberate introductory action.

Preface sth by doing sth Meaning, Examples & How to Use

What Does “Preface sth by doing sth” Mean?

“Preface sth by doing sth” means to begin or introduce something with a particular action or statement. It indicates that one action is used to prepare or introduce another.

Introduction

The phrasal verb “Preface sth by doing sth” is often used in both spoken and written English to describe how one event or statement is introduced by an earlier action. Understanding the “Preface sth by doing sth” meaning helps learners express sequences clearly and logically. For example, a speaker might preface a serious announcement by making a light comment to ease tension. This structure is useful in formal and informal contexts and adds clarity to communication by showing cause or preparation before the main event.

Quick Info Box

Phrasal verb: Preface something by doing something
Type: Transitive
Level: B2
Short meaning: To introduce something with a specific action or statement

Structure (Grammar Rules)

“Preface sth by doing sth” is a transitive phrasal verb phrase with a fixed structure. It is inseparable.

Pattern: Preface + something (noun) + by + doing something (verb-ing)
Example: She prefaced her speech by thanking the audience.

How to Use Preface sth by doing sth?

Use “Preface sth by doing sth” when you want to show that one action introduces or prepares for another. The first part is usually a noun or noun phrase, and the second part is an action expressed as a gerund (-ing form). This construction is common in formal speech, writing, and storytelling.

Examples

Here are some examples of “Preface sth by doing sth in a sentence” to help you understand its use:

He prefaced his remarks by apologizing for the delay.
The author prefaced the book by explaining the historical background.
They prefaced the announcement by discussing recent changes in the company.
Before the meeting, she prefaced her presentation by sharing a personal story.
The teacher prefaced the lesson by reviewing last week’s material.

Common Mistakes

Many learners confuse the structure or misuse the verb “preface.” Here are some common errors and corrections:

Incorrect: He prefaced by apologizing the delay.
Correct: He prefaced his remarks by apologizing for the delay.
Incorrect: She prefaced the speech with thank the audience.
Correct: She prefaced the speech by thanking the audience.

Differences / Synonyms

Similar phrases include “introduce sth with sth” and “begin sth by doing sth.” Unlike “introduce,” which can be more general, “preface” often implies a formal or deliberate introductory action.

Introduce sth with sth: More general, less formal.
Begin sth by doing sth: Similar meaning but less specific about the introductory purpose.
Preface sth by doing sth: Specifically means to prepare or introduce something formally.

Common Collocations

Here are some common objects used with “preface” and their meanings:

Preface a speech – to introduce a talk or presentation
Preface a book – to write an introduction before the main text
Preface a statement – to begin a comment or declaration
Preface remarks – to start with initial comments

Related Phrasal Verbs

Here are related phrasal verbs of preface sth by doing sth:

Real-life Dialogue

Look at this short conversation using “Preface sth by doing sth”:

Anna: How did the manager start the meeting?

Ben: He prefaced the meeting by thanking everyone for their hard work.

Anna: That sounds like a good way to begin.

Practice

Try completing this sentence with the correct form:

She prefaced __________ by __________.

a) her speech / thanking the audience
b) thanking the audience / her speech
c) her speech / to thank the audience

Answer: a) her speech / thanking the audience

FAQ

Q: Can “preface” be used without “by doing something”?
A: Yes, but the full phrase “preface sth by doing sth” emphasizes the introductory action.
Q: Is “preface” formal or informal?
A: It is more formal, often used in writing or speeches.
Q: Can I use “preface” with a noun only?
A: Yes, for example, “She wrote a preface for the book.”
Q: What tense is used after “by”?
A: The gerund (-ing form) is used after “by.”
Q: Can I replace “preface” with “introduce”?
A: Sometimes, but “preface” implies a more deliberate introductory action.