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PUBLISHED: Mar 27, 2026

Is YOMIMASU GROUP 1 OR 2? Understanding Japanese Verb Classification

is yomimasu group 1 or 2 is a common question among Japanese language learners who want to master verb conjugations effectively. Japanese verbs are traditionally divided into groups based on how they conjugate, and knowing which group a verb belongs to can make a huge difference in how you approach learning it. In this article, we'll explore the classification of the verb "yomimasu," delve into the nuances of Japanese verb groups, and provide some helpful tips to remember and apply this knowledge in your studies.

What Does "Yomimasu" Mean?

Before diving into the technical details, let's quickly clarify what "yomimasu" means. "Yomimasu" (読みます) is the polite present/future tense form of the verb "yomu" (読む), which means "to read." It's a fundamental verb used frequently in everyday conversation, textbooks, and reading materials. Knowing how to conjugate "yomu" correctly is essential for building a solid foundation in Japanese.

Understanding Japanese Verb Groups

Japanese verbs are categorized mainly into three groups based on their conjugation patterns:

  • Group 1 (Godan verbs): Also called consonant-stem verbs, these verbs conjugate with changes in their stem's last consonant.
  • Group 2 (Ichidan verbs): Also called vowel-stem verbs, these verbs have a more consistent stem and conjugate by dropping the "ru" ending.
  • Irregular verbs: A small set of verbs that don't follow typical conjugation rules, such as "suru" (to do) and "kuru" (to come).

The distinction between Group 1 and Group 2 verbs is crucial because it affects how you form various tenses, negatives, and polite forms.

Group 1 (Godan) Verbs Explained

Group 1 verbs, also known as Godan verbs, are the largest category in the Japanese language. Their name comes from the fact that their stem changes through five vowel sounds (a, i, u, e, o) depending on the conjugation form. For example, the verb "kaku" (書く, to write) becomes "kakimasu," "kaite," and so on, showing different stem endings.

Some characteristics of Group 1 verbs:

  • The dictionary form ends with a consonant + "u" (e.g., "kaku," "hanasu").
  • The stem changes according to the conjugation.
  • They often have irregularities in polite, negative, and te-forms.

Group 2 (Ichidan) Verbs Explained

Group 2 verbs are simpler in terms of conjugation. These verbs end in "iru" or "eru" in their dictionary form, and their stem remains consistent when conjugating. For example, "taberu" (食べる, to eat) becomes "tabemasu," "tabete," etc., by simply removing "ru" and adding the appropriate ending.

Key features of Group 2 verbs:

  • The dictionary form ends with "iru" or "eru" (e.g., "miru," "okiru").
  • The stem remains the same across conjugations.
  • Conjugation is more straightforward compared to Group 1 verbs.

Is Yomimasu Group 1 or 2?

Now that we have a clear understanding of Japanese verb groups, let's answer the burning question: is yomimasu group 1 or 2?

The verb "yomu" (読む) belongs to Group 1, the Godan verbs. This means that "yomu" conjugates with a stem that changes its final consonant according to the conjugation pattern. For example, the polite form is "yomimasu," the te-form is "yonde," and the negative form is "yomanai."

This classification can be confirmed by observing the verb’s dictionary form ending. Since "yomu" ends with "mu" (a consonant + u), it fits the Group 1 pattern perfectly. It does not end with "iru" or "eru," which are typical endings of Group 2 verbs.

Examples of Yomu Conjugations Showing Group 1 Patterns

To illustrate the Group 1 conjugation of "yomu," here are some common forms:

  • Dictionary form: 読む (yomu)
  • Polite present/future: 読みます (yomimasu)
  • Negative: 読まない (yomanai)
  • Te-form: 読んで (yonde)
  • Past: 読んだ (yonda)
  • Potential: 読める (yomeru)

Notice how the stem shifts from "yo-" + "mu" to "yo-" + "mi" in the polite form, and to "yon-" in the te and past forms. This stem variation is a hallmark of Group 1 verbs.

Why Does Knowing Verb Group Matter?

Understanding whether a verb like "yomu" is Group 1 or 2 is more than just a grammar trivia—it’s a practical tool for learners. Japanese verb conjugation can be complex, but once you classify your verbs correctly, forming sentences becomes much easier.

For instance:

  • Conjugation Patterns: Knowing the group helps you predict how to change the verb for tense, mood, and politeness.
  • Language Efficiency: It saves time and confusion when you’re trying to communicate or understand Japanese texts.
  • Learning Other Verbs: Once you master one Group 1 verb, you can apply similar conjugation rules to other Group 1 verbs.

Tips for Remembering Verb Groups

If you find it tricky to remember whether a verb is Group 1 or 2, here are some handy tips:

  1. Look at the dictionary form ending: If it ends with "iru" or "eru," it’s likely Group 2 (with exceptions).
  2. Try conjugating it: Form the te-form or negative and see if the stem changes.
  3. Use verb lists: Many textbooks and websites categorize verbs by group; referencing these can help.
  4. Practice with flashcards: Make cards that include the verb’s group and common conjugations.

Common Misconceptions About Yomu and Verb Groups

Some learners mistakenly assume that all verbs ending with "mu" might be Group 2 because of their "ru" similarity, but this is not the case. The "mu" ending is a clear indicator of Group 1. Another confusion arises with verbs that look like Group 2 due to their "eru" or "iru" endings but are actually Group 1; however, "yomu" does not fall into this tricky category.

It’s also useful to remember that while Group 2 verbs are often easier to conjugate, Group 1 verbs like "yomu" are far more numerous and encountered daily in conversation and reading.

Expanding Your Japanese Verb Knowledge

Now that you know "yomu" is a Group 1 verb, you can start building your vocabulary by learning other Group 1 verbs. This will not only improve your reading and speaking skills but also deepen your understanding of Japanese grammar.

Consider grouping verbs by themes or usage frequency, and practice conjugating them in different contexts. For example, verbs like "kaku" (to write), "hanasu" (to speak), and "asobu" (to play) are all Group 1 verbs with similar conjugation patterns to "yomu."

Additionally, exploring the exceptions and irregular verbs will make you a more confident and well-rounded Japanese speaker.


Mastering Japanese verbs, especially understanding whether verbs like "yomu" belong to Group 1 or 2, is a stepping stone towards fluency. With consistent practice and application of these concepts, conjugation becomes second nature, allowing you to focus more on expressing yourself and enjoying the richness of the Japanese language.

In-Depth Insights

Is Yomimasu Group 1 or 2? A Detailed Examination of Japanese Verb Classification

is yomimasu group 1 or 2 is a question frequently encountered by learners of the Japanese language, particularly those grappling with verb conjugation patterns. Understanding whether "yomimasu" belongs to group 1 (godan verbs) or group 2 (ichidan verbs) is crucial for mastering accurate verb forms and effective communication. This article provides a comprehensive analysis of "yomimasu," contextualizing its classification within Japanese verb groups, and explores the linguistic nuances that define these categories.

Understanding Japanese Verb Groups

Before delving into the classification of "yomimasu," it is essential to grasp the basics of Japanese verb groups. Japanese verbs are traditionally divided into three categories: group 1 (godan verbs), group 2 (ichidan verbs), and irregular verbs. This classification significantly influences how verbs conjugate across different tenses and forms.

Group 1 verbs, or godan verbs, typically end with various consonant-vowel combinations in their dictionary form and undergo a consonant shift during conjugation. In contrast, group 2 verbs, known as ichidan verbs, usually end in the syllables -iru or -eru and conjugate by simply dropping the -ru ending.

The Role of Verb Endings in Classification

One of the primary indicators of verb group is the verb ending in its dictionary form. For instance, verbs ending in -iru or -eru are often ichidan, but there are notable exceptions. The verb "yomu" (読む), which is the dictionary form of "yomimasu," ends in -mu, a classic hallmark of godan verbs. This ending strongly suggests that "yomimasu" belongs to group 1.

Is Yomimasu Group 1 or 2? Analyzing the Verb "Yomu"

"Yomimasu" is the polite present/future form of "yomu" (読む), meaning "to read." The verb "yomu" is classified as a godan verb, placing "yomimasu" firmly in group 1. This classification affects how the verb conjugates into various forms, such as past, negative, and te-forms.

Conjugation Patterns of Yomu (Group 1)

Being a godan verb, "yomu" follows the characteristic conjugation pattern of group 1 verbs:

  • Masu-form: yomimasu (読みます)
  • Negative: yomanai (読まない)
  • Past: yonda (読んだ)
  • Te-form: yonde (読んで)
  • Potential form: yomeru (読める)

Notice how the stem changes in different conjugations, a typical trait of group 1 verbs. For example, "yomu" changes to "yonda" in the past tense, with the "mu" syllable shifting to "nda."

Comparison with Group 2 Verbs

Group 2 verbs, such as "taberu" (食べる, to eat) or "miru" (見る, to see), conjugate more simply by dropping the final -ru. For example:

  • Taberu → Tabemasu (polite)
  • Taberu → Tabenai (negative)
  • Taberu → Tabeta (past)

In contrast, "yomu" requires a consonant change, clearly distinguishing it from group 2 verbs. This morphological behavior confirms that "yomimasu" is not group 2.

Implications of Verb Group Classification for Learners

Understanding whether "yomimasu" is group 1 or 2 has practical implications for Japanese language learners. Since group 1 verbs exhibit more complex conjugation rules, mastering these patterns is essential for accurate speech and writing.

Common Challenges with Group 1 Verbs

Learners often struggle with group 1 verbs due to the variability in stem endings during conjugation. For example, the shift from "yomu" to "yonda" or "yonde" may seem irregular to beginners. This contrasts with group 2 verbs, where the stem remains consistent, simplifying the learning process.

Strategies for Learning Group 1 Verbs Like Yomu

To effectively learn group 1 verbs such as "yomu," the following strategies can be beneficial:

  1. Memorize common conjugation patterns: Focus on past, negative, te-forms, and potential forms.
  2. Practice with example sentences: Use "yomu" in various contexts to internalize its conjugations.
  3. Compare with group 2 verbs: Understanding differences helps clarify verb group rules.
  4. Use flashcards and drills: Reinforce conjugation changes through repetition.

Why Misclassification Happens: The Case of Yomimasu

Despite clear linguistic rules, confusion around "is yomimasu group 1 or 2" persists. This is partly due to the multiple verb endings in Japanese and the presence of exceptions in verb classification.

Exceptions and False Friends

Some verbs ending in -iru or -eru belong to group 1, defying the general rule. For example, "hashiru" (走る, to run) is a group 1 verb despite ending in -iru. However, "yomu" does not fall into this exception category because it ends in -mu.

The Importance of Dictionary Forms

Examining the dictionary form is critical in verb classification. Since "yomu" is the dictionary form of "yomimasu," its ending -mu unequivocally places the verb in group 1. Therefore, misclassification often arises when learners focus solely on the polite form without considering the root verb.

Conclusion: Clarifying the Classification of Yomimasu

In the realm of Japanese language study, the question "is yomimasu group 1 or 2" is resolved by analyzing the verb's dictionary form and conjugation behavior. "Yomu" (読む), the root of "yomimasu," is a prototypical group 1 (godan) verb, characterized by consonant changes during conjugation and a non-iru/eru ending.

Recognizing this classification aids learners in mastering conjugation patterns and improving overall fluency. While group 2 verbs offer a more streamlined conjugation process, group 1 verbs like "yomu" are integral to everyday Japanese and require dedicated study to navigate their complexity successfully.

By understanding the intricacies of verb groups, learners can approach "yomimasu" and similar verbs with confidence, ensuring accurate communication and a deeper appreciation of Japanese verb morphology.

💡 Frequently Asked Questions

Is 'yomimasu' a Group 1 or Group 2 verb in Japanese?

'Yomimasu' is a Group 1 verb, also known as a godan verb.

How can I tell if 'yomimasu' belongs to Group 1 or Group 2?

'Yomimasu' ends with '-masu' but the dictionary form is 'yomu', which ends with '-mu', a typical ending of Group 1 verbs.

What is the dictionary form of 'yomimasu' and its verb group?

The dictionary form is 'yomu' (読む), which is a Group 1 verb.

Are all verbs ending with 'mu' in Japanese Group 1 verbs?

Yes, verbs ending with '-mu' are generally Group 1 (godan) verbs, including 'yomu' (読む).

Can 'yomimasu' be conjugated like other Group 1 verbs?

Yes, 'yomimasu' follows the conjugation patterns of Group 1 verbs.

Is 'yomu' (読む) a regular or irregular verb and which group does it belong to?

'Yomu' is a regular Group 1 verb.

What is the difference between Group 1 and Group 2 verbs with examples like 'yomu'?

Group 1 verbs end with various consonant + 'u' sounds like 'mu' in 'yomu'; Group 2 verbs end with 'iru' or 'eru'. 'Yomu' is Group 1.

How do you conjugate 'yomu' in the negative form?

The negative form of 'yomu' is 'yomanai', following Group 1 verb conjugation rules.

Does the verb 'yomimasu' change meaning if it were Group 2?

No, the meaning stays the same; the group affects conjugation patterns only.

Why is it important to know if 'yomimasu' is Group 1 or 2?

Knowing the group helps you conjugate the verb correctly in different tenses and forms.

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