Irregular Verbs — Definition and Examples

Daniel Bal
Written by
Daniel Bal
Edited by
Courtney Adamo
Fact-checked by
Paul Mazzola

What are irregular verbs?

Irregular verbs are action words that do not follow the typical past tense or past participle form. For most verbs, adding -ed, -d, or -t to the end of the word’s infinitive (base form) creates the past tense. However, irregular verbs have no consistent rules for verb conjugation.

The past participle is a verb tense that is usually combined with a form of "has" or "be" and indicates the completion of an event before another event occurs in the present.

Irregular verbs definition
Irregular verbs definition

List of irregular verbs

Detailed below are lists of English irregular verbs broken down into four main categories:

Most irregular verbs have a different form of the verb in every tense, including the following:

Irregular verbs with a different form in every tense
Present Tense Past Tense Past Participle
awake awoke awoken
eat ate eaten
know knew known
take took taken
wake woke woken

The following are some irregular verbs that have the same past tense and past participle form:

Irregular verbs with the same past and past participle form
Present Tense Past Tense Past Participle
buy bought bought
catch caught caught
lose lost lost
teach taught taught
think thought thought

Some irregular verbs never change their form, such as the following:

Irregular verbs that never change form
Present Tense Past Tense Past Participle
cost cost cost
hit hit hit
hurt hurt hurt
put put put
shut shut shut

Three irregular verbs only change in the past tense:

Irregular verbs that only change in past tense
Present Tense Past Tense Past Participle
become became become
come came come
overcome overcame overcome

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Irregular verb examples

The following sentences incorporate 10 of the most common irregular verbs:

  • Say/Said/Said

    • What are you trying to say?

    • That's not what I said to him.

    • Do you recall what I had said?

  • Make/Made/Made

    • Steven needed to make sandwiches for the party.

    • Steven made sandwiches for the party.

    • Steven had made sandwiches before the party started.

  • Go/Went/Gone

    • Lisa wanted to go before the snowstorm hit.

    • Lisa went to the store to buy supplies.

    • Lisa had gone to the supermarket before leaving town.

  • Take/Took/Taken

    • The family wanted to take a trip to the beach.

    • The family took the scenic route to the beach.

    • The family had taken all of their friends to the beach.

  • Come/Came/Come

    • Stan wants all of us to come to his house for dinner.

    • Todd and Jenifer came to the house for dinner.

    • Kevin and Maria had come to the house before the dinner started.

  • Know/Knew/Known

    • She should know all of the answers to your questions.

    • I can't believe she knew the entire history of the manor.

    • Had I known how great the tour was, I would've come sooner.

  • Give/Gave/Given

    • Troy always thought it was better to give than receive.

    • Troy gave most of his bonus to charity.

    • Troy had given the charity everything he could afford.

  • Show/Showed/Shown

    • Amanda knew she had to show she could get over losing the game.

    • Amanda showed no emotion despite the loss.

    • Amanda had shown remarkable improvement since the first game.

  • Begin/Began/Begun

    • The show is about to begin.

    • The show began right on time.

    • The show had just begun when they arrived.

  • Teach/Taught/Taught

    • Mr. Jones knew he had to teach the class about irregular verbs.

    • In yesterday's lesson, Mr. Jones taught us about irregular verbs.

    • If Mr. Jones had taught irregular verbs, we would've done better on the test.

Regular and irregular verbs

Regular verbs in the English language follow the typical past tense form; simply adding an -ed, -d, or -t to these words creates the past tense and past participle form. Unlike irregular verbs, the past tense and past participle forms of regular verbs are the same.

The following chart identifies some of the most common regular verbs:

Regular verbs - Past and Past Participle tenses
Regular Verb Past Tense Past Participle
want wanted wanted
look looked looked
use used used
work worked worked
call called called
try tried tried
ask asked asked
need needed needed
seem seemed seemed
help helped helped

Note that these examples are in American English; British English sometimes uses different past tense spellings (e.g., American “spelled” and “spilled” vs. British “spelt” and “spilt”).