Japanese Godan Verbs Are Easier Than You Think
Struggling with Japanese grammar? Learn how the five-vowel system simplifies verb conjugation so you can speak with more confidence and clarity.
Best quote from Japanese Godan Verbs Are Easier Than You Think
The beauty of the Godan system is that it works for almost every consonant; just by rotating through the five vowel rows, you can move from 'won't do' to 'let's do.' It’s less about memorizing a thousand random rules and more about following a single map.
This audio lesson was created by a BeFreed community member
All about the conjugation of the Godwin verb in Japanese with example
Frequently Asked Questions
Godan translates to "five levels" or "five steps." This name refers to the logical framework of the verb group, where the verb conjugation follows the five Japanese vowels: a, i, u, e, and o. By shifting the vowel at the end of the verb root through these five rows on the hiragana chart, you change the meaning of the verb to express different forms, such as negative, polite, or volitional.
The easiest way to identify a Godan verb is to look at the dictionary form ending; if it ends in anything other than "ru" (such as "mu," "ku," or "su"), it is definitely a Godan verb. If the verb does end in "ru," you look at the vowel sound immediately preceding it. If that vowel is an "a," "u," or "o," it is a Godan verb. While "i" and "e" sounds usually indicate an Ichidan verb, there are exceptions like "kaeru" (to return) and "hashiru" (to run) which are Godan. To be certain, you can use the "Negative Test": if the vowel shifts when making the verb negative (e.g., "kaeru" becomes "kaeranai"), it is a Godan verb.
This is due to a linguistic history referred to as the "Ghost of the W." Historically, many verbs that now end in a plain "u" sound, such as "au" (to meet) or "kau" (to buy), originally contained a "w" sound. While this sound has disappeared from the modern dictionary form, it resurfaces as a "wa" during the "Base One" (negative) conjugation. This is why "au" becomes "awanai" instead of "aanai."
The "te-form" and the "ta-form" follow identical conjugation patterns, which is often described as a "two-for-one" deal for learners. Once you master the specific sound changes (onbin) for the "te-form"—such as "u-tsu-ru" becoming "tte" or "mu-bu-nu" becoming "nde"—you simply apply the same logic to the past tense by replacing "te" with "ta" and "de" with "da." For example, if you know "yomu" (to read) becomes "yonde," you automatically know the past tense is "yonda."
When a Godan verb is conjugated into the Potential Form (to express ability), it undergoes a "promotion" to the Ichidan group. For example, the Godan verb "kaku" (to write) shifts to the "e" row to become "kake" and then adds "ru" to become "kakeru" (can write). From that point forward, it is treated as an Ichidan (Group Two) verb for all further conjugations, such as making it polite ("kakemasu") or negative ("kakerenai").
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"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."
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"Reading used to feel like a chore. Now it’s just part of my lifestyle."
"Feels effortless compared to reading. I’ve finished 6 books this month already."
"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."
"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."
"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"
"It is great for me to learn something from the book without reading it."
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"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."
"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."
"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."
"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."
"Reading used to feel like a chore. Now it’s just part of my lifestyle."
"Feels effortless compared to reading. I’ve finished 6 books this month already."
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"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."
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"It is great for me to learn something from the book without reading it."
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