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Japanese verb

改める (aratameru) Conjugation

改める (aratameru) means “to change, to alter, to revise”. It is a る-verb (ichidan) verb. It is a る-verb (ichidan): drop the る and add the ending, so 改めます, 改めない, 改めて. Below is its conjugation in all 14 forms, plain and polite, the same forms the Japanese verb conjugation worksheets print in their answer keys.

Meaning
to change, to alter, to revise
Type
る-verb (ichidan)
Dictionary form
改める
Reading
あらためる
Romaji
aratameru
Masu form
改めます
Nai form
改めない
Te-form
改めて
Ta form
改めた
Make a worksheet

Basic forms

Present現在形・辞書形

Plain改める
Plain negative改めない
Polite改めます
Polite negative改めません

Past過去形・た形

Plain改めた
Plain negative改めなかった
Polite改めました
Polite negative改めませんでした

Te-formて形

Plain改めて
Plain negative改めないで

Progressive (-te iru)ている

Plain改めている
Plain negative改めていない
Polite改めています
Polite negative改めていません

Wanting, inviting, telling

Want to (-tai)たい形

Plain改めたい
Plain negative改めたくない
Polite改めたいです
Polite negative改めたくないです

Volitional意向形

Plain改めよう
Polite改めましょう

Imperative and requests命令形

Plain command改めろ
Plain negative (don't)改めるな
Polite request (-te kudasai)改めてください
Polite negative (-naide kudasai)改めないでください

Can and if

Potential可能形

Plain改められる
Plain negative改められない
Polite改められます
Polite negative改められません

Conditional (-ba)仮定形・ば

Plain改めれば
Plain negative改めなければ

Conditional (-tara)たら

Plain改めたら
Plain negative改めなかったら

Passive and causative

Passive受身形

Plain改められる
Plain negative改められない
Polite改められます
Polite negative改められません

Causative使役形

Plain改めさせる
Plain negative改めさせない
Polite改めさせます
Polite negative改めさせません

Causative passive使役受身形

Plain改めさせられる
Plain negative改めさせられない
Polite改めさせられます
Polite negative改めさせられません

More common Japanese verbs and adjectives

About these tables

The forms are built from Wiktionary's conjugation tables, and they are the ones the Japanese verb conjugation worksheet generator prints, so a chart or answer key made there matches this page. That page explains how the forms were checked.

Print this verb chart opens 改める (aratameru) on the worksheet preview with every form filled in, ready to print on A4 or US Letter or save as PDF. To practice it with other verbs and adjectives, the generator also makes blank conjugation boxes and quick quizzes with answer keys. To practice online instead, the Japanese verb conjugation quiz marks each form as you type it.

Verbs, adjectives and their meanings come from JMdict, the property of the Electronic Dictionary Research and Development Group, used in conformance with the Group's licence. The forms are built by the standard rules, with the irregular ones written out.

改める (aratameru) Conjugation: Every Japanese Verb Form · NexaProva