This document has fun conjugation charts for the verbs être, avoir, faire, aller, prendre, and boire.

Words like "walk" and "look" are regular verbs – they behave in a predictable way. But there's a whole class of words in English, called irregular verbs, that are harder to predict. David, KA's Grammar Fellow, explains.

These are the most regular of the irregular verbs; while they don't behave exactly like regular verbs, like present tense "walk" become past tense "walked", they do maintain the "-ed" sound. It's just spelled differently.

Some irregular verbs have these strange -en endings that only show up in their past perfect/past participle forms. Let's take a look!

Some irregular verbs just won't be categorized. They don't fit into neat little boxes. These are those verbs.

This group of irregular verbs have vowel sounds that change in a predictable way, when they go from the present to the past tense.