What is the use of by and with

What is the use of by and with?

Title: Understanding the Practical Applications of “By” and “With”


In the English language, prepositions play a crucial role in connecting words and phrases in a sentence.

Two commonly used prepositions, “by” and “with,” have diverse applications that impact the meaning and context of a sentence.

This blog post will explore the various uses of “by” and “with” and how they contribute to effective communication.

  1. “By” as a Means or Method:

One of the primary uses of “by” is to indicate the means or method by which an action is performed.

It suggests the agent or instrument responsible for accomplishing a task.

For example, “The painting was created by an accomplished artist” highlights the artist as the creator of the painting.

“By” can also denote the manner in which something is achieved. Consider the sentence, “The problem was solved by thinking outside the box.”

Here, “by” implies that thinking creatively or unconventionally led to the problem’s resolution.

  1. “With” as Accompaniment or Instrument:

The preposition “with” is commonly used to indicate accompaniment or the presence of something.

It suggests that two or more entities are together or associated in some way.

For instance, “She arrived at the party with her friends” indicates that the person arrived alongside her friends.

Furthermore, “with” can also be used to denote the instrument or tool used to perform a particular action.

For example, “I cut the vegetables with a sharp knife” specifies the tool used to perform the cutting action.

  1. “By” as Agent or Authority:

Another important use of “by” is to highlight the agent or authority responsible for an action or decision.

It implies that a person or entity is accountable for a particular outcome or result.

For instance, “The report was approved by the board of directors” signifies that the board of directors authorized the report.

  1. “With” as Characteristic or Condition:

The preposition “with” can also be used to describe a characteristic or condition that is associated with someone or something.

It suggests a quality, state, or trait that is inherent or related to the subject.

For example, “She is a writer with exceptional storytelling skills” emphasizes that exceptional storytelling skills are a characteristic of the writer.


Understanding the proper usage of prepositions is essential for effective communication.

The versatile prepositions “by” and “with” have distinct applications that contribute to the clarity and precision of a sentence.

By using “by” to indicate means or methods and “with” to denote accompaniment or instrument, we can convey information accurately and concisely.

So, the next time you encounter these prepositions, pay attention to their subtle nuances and make your sentences more impactful.


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