"this is the main reason for" vs "this is the main reason of"

Question

"this is the main reason for" vs "this is the main reason of"

Both phrases are commonly used, but 'this is the main reason for' is the correct construction. 'This is the main reason of' is not grammatically correct in English. 'For' is the preposition that should be used to introduce the reason for something.

Last Updated: March 19, 2024

Use 'this is the main reason for' when explaining the primary cause or justification for something.

Examples:

This is the main reason for his success.
The lack of funding is the main reason for the project's delay.

Alternatives:

this is the main reason for

Answer 1

this is the main reason for

This phrase is correct and commonly used in English.

Answer 2

this is the main reason of

This phrase is not grammatically correct in English.

"this is the main reason for" vs "this is the main reason of"

this is the main reason for

this is the main reason of

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