πŸ‡―πŸ‡΅ Japanese grammar

Verb Conjugation in Japanese: A Clear Guide

The SPAIKING TeamJuly 28, 2026

Verb conjugation in Japanese is essential for expressing different tenses and moods. Understanding how to conjugate verbs allows for clearer communication. This guide will focus on a common regular verb to illustrate the patterns.

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The rule

Japanese verbs are categorized into three groups: Group 1 (u-verbs), Group 2 (ru-verbs), and irregular verbs. Regular verbs follow predictable patterns when conjugated. For example, Group 2 verbs like 'taberu' (to eat) drop the 'ru' and add the appropriate ending for different tenses.

Verb Conjugation at a glance

FormConjugation
Dictionary Formtaberu
Negative Formtabenai
Polite Formtabemasu
Polite Negative Formtabemasen

Present tense conjugation of the verb 'taberu' (to eat)

Examples you can say out loud

η§γ―ε―ΏεΈγ‚’ι£ŸγΉγΎγ™γ€‚ Watashi wa sushi o tabemasu.
I will eat sushi.
ε½Όγ―ζ―Žζœγƒ‘γƒ³γ‚’ι£ŸγΉγͺい。 Kare wa mai asa pan o tabenai.
He does not eat bread every morning.
ε½Όε₯³γ―ζžœη‰©γ‚’ι£ŸγΉγ¦γ„γΎγ™γ€‚ Kanojo wa kudamono o tabeteimasu.
She is eating fruit.
Common mistake
Confusing the negative form with the polite form, such as using 'tabemasen' instead of 'tabenai' in casual speech.
Tip
Practice conjugating regular verbs in different forms to become familiar with the patterns.

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Frequently asked questions

What is the difference between 'tabemasu' and 'tabemashita'?

'Tabemasu' is the present tense polite form, while 'tabemashita' is the past tense polite form.