- An irregular verb is a verb that does not end with ed to show past tense.
- Some irregular verbs show past tense by using a different form of the main verb with
have , has, or had.

The boys have done all of their reading.
| Present | Past | Past with Helping Verb |
| do, does | did | (have, |

Who came on the field trip today?
| Present | Past | Past with Helping Verb |
| come, comes | came | ( |

We ran across the meadow to the picnic table.
| Present | Past | Past with Helping Verb |
| run, runs | ran | ( |

My parents have gone to buy apples for a pie.
| Present | Past | Past with Helping Verb |
| go, goes | went | (have, has, had) gone |