How to Conjugate "Let" in English

by Craig Shrives

This Page Includes...

Conjugation of "To Let"

The verb "let" is an irregular verb. (This means that "let" 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 Let"

FormletAlternative Name
Base FormletInfinitive Form
The -S FormletsThird Person Singular Form
Past FormletSimple Past Tense
The -ING FormlettingPresent Participle Form
The Past Participle Formlet[no alternative name]

"To Let" in All the Tenses

The tables below show how "let" 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
  • let
  • let
  • let
  • let
  • let
  • let
The simple past tense is for a completed activity that happened in the past.
  • was letting
  • were letting
  • was letting
  • were letting
  • were letting
  • were letting
The past progressive tense is for an ongoing activity in the past. Often, it is used to set the scene for another action.
  • had let
  • had let
  • had let
  • had let
  • had let
  • had let
The past perfect tense is for emphasizing that an action was completed before another took place.
  • had been letting
  • had been letting
  • had been letting
  • had been letting
  • had been letting
  • had been letting
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
  • let
  • let
  • lets
  • let
  • let
  • let
The simple present tense is mostly for a fact or a habit.
  • am letting
  • are letting
  • is letting
  • are letting
  • are letting
  • are letting
The present progressive tense is for an ongoing action in the present.
  • have let
  • have let
  • has let
  • have let
  • have let
  • have let
The present perfect tense is for an action that began in the past. (Often, the action continues into the present.)
  • have been letting
  • have been letting
  • has been letting
  • have been letting
  • have been letting
  • have been letting
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 let
  • will let
  • will let
  • will let
  • will let
  • will let
The simple future tense is for an action that will occur in the future.
  • will be letting
  • will be letting
  • will be letting
  • will be letting
  • will be letting
  • will be letting
The future progressive tense is for an ongoing action that will occur in the future.
  • will have let
  • will have let
  • will have let
  • will have let
  • will have let
  • will have let
The future perfect tense is for an action that will have been completed at some point in the future.
  • will have been letting
  • will have been letting
  • will have been letting
  • will have been letting
  • will have been letting
  • will have been letting
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

Parts of Speech Lists 200 Important Irregular Verbs Role-Play Scenarios for English Learners

Page URL