failed to vs fail to

Both 'failed to' and 'fail to' are correct, but they are used in different contexts. 'Failed to' is the past tense form and is used when referring to something that did not happen in the past. 'Fail to' is the base form and is used to indicate a current or future action that has not been completed.

Last updated: March 21, 2024

failed to

This phrase is correct and commonly used in English to indicate something that was not accomplished in the past.

Use 'failed to' when referring to an action that was not completed in the past. For example, 'He failed to submit the report on time.'

Examples:

She failed to pass the exam last year.
The company failed to meet its sales targets.
He failed to show up for the meeting.
The project failed to deliver the expected results.
They failed to address the issue properly.

Alternatives:

did not
was unable to

fail to

This phrase is correct and commonly used in English to indicate a current or future action that has not been completed.

Use 'fail to' when referring to an action that is not completed in the present or future. For example, 'If you fail to water the plants, they will die.'

Examples:

If you fail to submit the application on time, it will not be considered.
She will fail to meet the deadline if she doesn't start working on the project.
If they fail to address the issue now, it may escalate further.
He may fail to pass the exam if he doesn't study.
If the team fails to communicate effectively, the project will suffer.

Alternatives:

do not
do not succeed in

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failed to vs fail to

failed to

fail to

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