"extend it for a year" vs "extend it by a year"

Question

"extend it for a year" vs "extend it by a year"

Both phrases are correct, but they are used in slightly different contexts. 'Extend it for a year' implies that the extension will last for a year, while 'extend it by a year' suggests adding an additional year to the existing period. The choice between the two depends on the specific situation and the intended meaning.

Last Updated: March 31, 2024

This phrase is used when you want to indicate that something will be extended for a specific duration, in this case, a year.

Examples:

We decided to extend the contract for a year.
The warranty on the product was extended for a year.

Alternatives:

prolong it for a year
lengthen it for a year
stretch it for a year
continue it for a year
renew it for a year

This phrase is used when you want to indicate that something will be extended with the addition of a specific duration, in this case, a year.

Examples:

The project deadline was extended by a year.
She extended her stay in the city by a year.

Alternatives:

prolong it by a year
lengthen it by a year
stretch it by a year
continue it by a year
renew it by a year

Answer 1

extend it for a year

This phrase is correct and commonly used in English.

Answer 2

extend it by a year

This phrase is correct and commonly used in English.

"extend it for a year" vs "extend it by a year"

extend it for a year

extend it by a year

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