How to Conjugate Prove

by Craig Shrives

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Prove in the Different Tenses

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

The Five Forms of Prove

FormproveAlternative Name
Base FormproveInfinitive Form
The -S FormprovesThird Person Singular Form
Past FormprovedSimple Past Tense
The -ING FormprovingPresent Participle Form
The Past Participle Formproven (also proved)[no alternative name]

Conjugating Prove

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

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See Also

Parts of Speech Lists 200 Important Irregular Verbs

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