The Verb "Flee" in English

by Craig Shrives

This Page Includes...

Conjugation of "To Flee"

The verb "flee" is an irregular verb. (This means that "flee" does not form its simple past tense or its past participle by adding "-ed" or "-d" to the base form.)

The Five Forms of "To Flee"

FormfleeAlternative Name
Base FormfleeInfinitive Form
The -S FormfleesThird Person Singular Form
Past FormfledSimple Past Tense
The -ING FormfleeingPresent Participle Form
The Past Participle Formfled[no alternative name]

"To Flee" in All the Tenses

The tables below show how "flee" conjugates in the past, present, and future tenses.

Past Tenses

PersonSimple PastPast Progressive TensePast Perfect TensePast Perfect Progressive Tense
  • I
  • you
  • he/she/it
  • we
  • you
  • they
  • fled
  • fled
  • fled
  • fled
  • fled
  • fled
The simple past tense is for a completed activity that happened in the past.
  • was fleeing
  • were fleeing
  • was fleeing
  • were fleeing
  • were fleeing
  • were fleeing
The past progressive tense is for an ongoing activity in the past. Often, it is used to set the scene for another action.
  • had fled
  • had fled
  • had fled
  • had fled
  • had fled
  • had fled
The past perfect tense is for emphasizing that an action was completed before another took place.
  • had been fleeing
  • had been fleeing
  • had been fleeing
  • had been fleeing
  • had been fleeing
  • had been fleeing
The past perfect progressive tense is for showing that an ongoing action in the past has ended.

Present Tenses

PersonSimple PresentPresent Progressive TensePresent Perfect TensePresent Perfect Progressive Tense
  • I
  • you
  • he/she/it
  • we
  • you
  • they
  • flee
  • flee
  • flees
  • flee
  • flee
  • flee
The simple present tense is mostly for a fact or a habit.
  • am fleeing
  • are fleeing
  • is fleeing
  • are fleeing
  • are fleeing
  • are fleeing
The present progressive tense is for an ongoing action in the present.
  • have fled
  • have fled
  • has fled
  • have fled
  • have fled
  • have fled
The present perfect tense is for an action that began in the past. (Often, the action continues into the present.)
  • have been fleeing
  • have been fleeing
  • has been fleeing
  • have been fleeing
  • have been fleeing
  • have been fleeing
The present perfect progressive tense is for a continuous activity that began in the past and continues into the present (or finished very recently).

Future Tenses

PersonSimple FutureFuture Progressive TenseFuture Perfect TenseFuture Perfect Progressive Tense
  • I
  • you
  • he/she/it
  • we
  • you
  • they
  • will flee
  • will flee
  • will flee
  • will flee
  • will flee
  • will flee
The simple future tense is for an action that will occur in the future.
  • will be fleeing
  • will be fleeing
  • will be fleeing
  • will be fleeing
  • will be fleeing
  • will be fleeing
The future progressive tense is for an ongoing action that will occur in the future.
  • will have fled
  • will have fled
  • will have fled
  • will have fled
  • will have fled
  • will have fled
The future perfect tense is for an action that will have been completed at some point in the future.
  • will have been fleeing
  • will have been fleeing
  • will have been fleeing
  • will have been fleeing
  • will have been fleeing
  • will have been fleeing
The future perfect progressive tense is for an ongoing action that will be completed at some specified time in the future.

Most Common Irregular Verbs

The two most common irregular verbs in English are "be" and "have." These pages give more details about these two verbs: Here are the next 10 most common irregular verbs in English:

Most Common Irregular Verbs

The two most common irregular verbs in English are "be" and "have." These pages give more details about these two verbs: Here are the next 10 most common irregular verbs in English:

Help Us Improve Grammar Monster

  • Do you disagree with something on this page?
  • Did you spot a typo?

Find Us Quicker!

  • When using a search engine (e.g., Google, Bing), you will find Grammar Monster quicker if you add #gm to your search term.
Next lesson >

See Also

How to improve your spelling The most commonly misspelled words in English Top 10 spelling rules in English Parts of Speech Lists 200 Important Irregular Verbs Role-Play Scenarios for English Learners

Page URL