How to use "because of"

What Does "because of" Mean?

  • Grammatical function: It expresses a cause-and-effect relationship, indicating the reason for something.
  • Typical sentence position: Initial, medial, or final, depending on stylistic preference and emphasis.
  • Register: Neutral

How to Use It

  • Syntactic patterns: "Because of" is a preposition, so it's followed by a noun, noun phrase, or pronoun (the object of the preposition). It's part of a prepositional phrase that modifies a verb or noun.
  • Punctuation rules: When "because of" introduces a phrase at the beginning of a sentence, a comma usually follows the phrase. No comma is needed when it appears in the middle of a sentence.
  • Grammatical flexibility: Yes, it can start a sentence, but varying sentence structure enhances flow. It can be moved around, but meaning can shift slightly. Negating "because of" directly is uncommon; instead, negate the clause it modifies.
  • What sounds unnatural or incorrect: Using "because of" before a full clause (subject + verb) is incorrect. For example, "Because of he was late" is wrong; it should be "Because he was late."

Real-World Examples

These examples are sourced from because of on Ludwig.guru.

"Because of the rain"." — The New Yorker

"Because of Ryan's influence." — The New York Times - Sports

"Because of competition." — The Economist

"Because of me." — The New Yorker

"Because of their age." — Independent

Examples sourced from https://ludwig.guru/s/because+of

Similar Phrases and Alternatives

Phrase Context
due to More formal and often interchangeable with "because of."
owing to Similar to "due to," slightly more formal.
on account of Indicates a reason or explanation, somewhat formal.
as a consequence of Highlights the result or outcome of something.
thanks to Can be used for positive or negative causes, sometimes with irony.
by reason of Formal and legalistic.
for the reason that More elaborate and emphatic than "because of".

Common Mistakes

  • Incorrectly using "because of" before a full clause (subject + verb). It should be followed by a noun or noun phrase. For example, saying "Because of he was late" instead of "Because he was late" or "Because of his lateness."
  • Misplacing commas when "because of" starts a sentence. Make sure to place a comma after the phrase.
  • Confusing "because of" with "despite of." "Despite" does not need "of" after it.

Quick-Reference Summary

Expression Function Register Typical Position
because of Indicates cause or reason Neutral Initial, medial, final

FAQs

Can "because of" be used at the beginning of a sentence?

Yes, "because of" can be used at the beginning of a sentence to introduce the reason or cause. When you start a sentence with "because of" followed by a noun phrase, a comma usually separates it from the main clause. For example, "Because of the rain, the game was cancelled."


What's the difference between "because" and "because of"?

"Because" introduces a full clause (subject + verb), while "because of" introduces a noun phrase. For instance, you would say "I was late because I missed the bus" (clause) but "I was late because of the bus schedule" (noun phrase).


How do I correct the mistake of using "because of" before a full clause?

If you incorrectly use "because of" before a full clause, replace it with "because." Alternatively, rephrase the sentence to use a noun phrase after "because of." For example, instead of "Because of he was tired, he slept," say "Because he was tired, he slept" or "Because of his tiredness, he slept."

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