fail

Regular
Infinitive
fail
Past Simple
failed
Past Participle
failed
-ing Form
failing
3rd Person
fails
fail fails failing failed

Fail means to be unsuccessful or to not do something required. Regular verb: fail-failed-failed.

Meanings

  • To be unsuccessful
  • To neglect to do
  • To stop functioning

Common Collocations

fail to do fail an exam fail miserably doomed to fail

Tip for Learners

Fail to means neglect or not manage to. "Don't fail to notify us."
Present Simple
I fail
you fail
he/she/it fails
we fail
they fail
Examples - Present Simple
  • I fail sometimes, but I learn from it.
  • You fail to understand the issue.
  • She fails to meet expectations occasionally.
  • We fail if we don't try.
  • They fail to deliver on promises.
Present Continuous
I am failing
you are failing
he/she/it is failing
we are failing
they are failing
Examples - Present Continuous
  • I am failing to see the point.
  • You are failing the test.
  • He is failing in his duties.
  • We are failing our customers.
  • They are failing to meet deadlines.
Present Perfect
I have failed
you have failed
he/she/it has failed
we have failed
they have failed
Examples - Present Perfect
  • I have failed many times before.
  • You have failed to convince me.
  • She has failed the exam.
  • We have failed to achieve our goals.
  • They have failed miserably.
Present Perfect Continuous
I have been failing
you have been failing
he/she/it has been failing
we have been failing
they have been failing
Examples - Present Perfect Continuous
  • I have been failing to reach them all day.
  • You have been failing to understand.
  • He has been failing tests for months.
  • We have been failing to meet targets.
  • They have been failing consistently.
Past Simple
I failed
you failed
he/she/it failed
we failed
they failed
Examples - Past Simple
  • I failed the driving test.
  • You failed to notify us in time.
  • She failed her exams last year.
  • We failed to anticipate the problem.
  • They failed spectacularly.
Past Continuous
I was failing
you were failing
he/she/it was failing
we were failing
they were failing
Examples - Past Continuous
  • I was failing when you helped me.
  • You were failing to see the truth.
  • He was failing in school before tutoring.
  • We were failing to communicate.
  • They were failing to deliver all year.
Past Perfect
I had failed
you had failed
he/she/it had failed
we had failed
they had failed
Examples - Past Perfect
  • I had failed before I succeeded.
  • You had failed to notice the signs.
  • She had failed twice before passing.
  • We had failed before learning from mistakes.
  • They had failed before reforming.
Past Perfect Continuous
I had been failing
you had been failing
he/she/it had been failing
we had been failing
they had been failing
Examples - Past Perfect Continuous
  • I had been failing for months before improvement.
  • You had been failing to comply for years.
  • He had been failing tests for a while.
  • We had been failing to meet targets for quarters.
  • They had been failing consistently for decades.
Future Simple
I will fail
you will fail
he/she/it will fail
we will fail
they will fail
Examples - Future Simple
  • I will fail if I don't prepare.
  • You will fail without practice.
  • She will fail if she doesn't study.
  • We will fail without teamwork.
  • They will fail if they don't adapt.
Future Continuous
I will be failing
you will be failing
he/she/it will be failing
we will be failing
they will be failing
Examples - Future Continuous
  • I will be failing without your help.
  • You will be failing to see results.
  • He will be failing if he continues.
  • We will be failing without changes.
  • They will be failing to compete.
Future Perfect
I will have failed
you will have failed
he/she/it will have failed
we will have failed
they will have failed
Examples - Future Perfect
  • I will have failed multiple times by then.
  • You will have failed to comply by deadline.
  • She will have failed before succeeding.
  • We will have failed before winning.
  • They will have failed before reforming.
Future Perfect Continuous
I will have been failing
you will have been failing
he/she/it will have been failing
we will have been failing
they will have been failing
Examples - Future Perfect Continuous
  • I will have been failing for years.
  • You will have been failing to comply for months.
  • He will have been failing tests for a while.
  • We will have been failing for too long.
  • They will have been failing for decades.
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