Regular and Irregular Verbs in English Grammar

Regular and Irregular Verbs in English Grammar

Based on how we conjugate verbs in the past simple and the past participle, they can be divided into two type: regular verbs and Irregular verbs.

Regular and Irregular Verbs in English Grammar

Regular and Irregular Verbs

Verbs in English, take different forms to create different tenses.
Based on how a verb is conjugated in the past simple tense and past participle, we can divide verbs in two categories:

  • Regular verbs
  • Irregular verbs

Regular verbs

Most verbs in the English language are regular verbs, which means that the past simple form and the past participle of them is created by simply adding '-ed' or '-d' or '-t' to the end of the verbs.

past simple form past participle form
walk walked walked
call called called
wait waited waited
work worked worked
live lived lived
build built built

Irregular verbs

Irregular verbs do NOT follow a fixed pattern when turning into simple past or past participle form. Their number is limited comparing to the regular verbs. There are approximately 200 irregular verbs in the English language. The verbs that are irregular, are categorized into four groups:

  • Group I: Verbs that their base, past simple and past participle forms are different;
  • Group II: Verbs that their past simple and past participle forms are the same;
  • Group III: Verbs that their base and past participle forms are the same;
  • Group IV: Verbs that their base, past simple and past participle are the same.

Group I of Irregular Verbs

All three forms of the group I irregular verbs have different forms. Look at the table to see some examples:

past form past participle form
be was/were been
do did done
eat ate eaten
go went gone
see saw seen

Group II of Irregular Verbs

The past and past participles forms of the group II irregular verbs are the same. Look at the table to see some example:

past form past participle form
buy bought bought
leave left left
teach taught taught
find found found
have had had

Group III of Irregular Verbs

Group III of irregular verbs have the same base form and past participle form. Look at the table to see some example:

past form past participle form
become became become
run ran run
come came come

Group IV of Irregular Verbs

All three forms of the group IV irregular verbs are the same. Look at the table to see some example:

past form past participle form
hit hit hit
cut cut cut
cost cost cost
hurt hurt hurt
let let let

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