Identifying the reason something happened
Use “of” to state the origin or reason for an effect.
“Cause” commonly combines with “of” and “for.” Other prepositions may appear depending on the sentence structure and meaning.
The standard patterns are “cause of” for origin and “cause for” for reason or justification. “Cause to” usually belongs to a verb pattern, while “without cause” and “about the cause” are separate expressions with different meanings.
These forms are not interchangeable. Choose the construction by meaning, not by which preposition appears most often.
Use “of” to state the origin or reason for an effect.
Use “for” to express a reason for concern, celebration, action, or response.
This fixed phrase means without a valid reason.
“About” usually relates to discussion or knowledge, not directly to the noun “cause” itself.
The same subject can take different constructions because each sentence answers a different question.
Some combinations appear in real text but do not mean what learners often assume.
“To” normally follows the verb “cause,” not the noun.
✕ the cause to the delay ✓ the cause of the delayUse “cause of” for origin and “cause for” for justification.
✕ There is cause of concern. ✓ There is cause for concern.Many phrases with “cause” need an article.
✕ They investigated cause of fire. ✓ They investigated the cause of the fire.Choose the expression that matches the intended meaning.
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“Cause of” names the reason something happened. “Cause for” means justification for a feeling or action.
Yes. It is a standard legal and general English expression meaning without valid reason.
Usually “about” introduces discussion, as in “talk about the cause,” rather than forming a fixed combination with the noun.
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