An irregular verb is a verb that does not end with ed to show past tense.
Present | Past |
do, does | did |

He did his homework last night.
Present | Past |
drive, drives | drove |

We drove across the Golden Gate Bridge.
Present | Past |
eat, eats | ate |

We ate ice cream after our meal.
Present | Past |
go, goes | went |

I went to the desert to see the camels.
Present | Past |
drink, drinks | drank |

Lea drank all her milk this morning.
Present | Past |
come | came |

Our cousin Billy came to play with us.
Present | Past |
grow | grew |

The tomato plants grew very tall.
Present | Past |
know | knew |

We knew the answer to the question.
Present | Past |
take | took |

I took the class pet turtles home for the holidays.
Present | Past |
write | wrote |

I wrote a letter to my grandparents.
Present | Past |
give | gave |

Mom gave me a cookie to eat.