Free Japanese verb conjugation practice often begins with a large chart and ends with a learner who can recite endings but cannot ask someone to wait. The chart is not wrong; the order is. A verb group matters because it predicts what happens when you make a request, describe the past, say that something does not happen or connect two actions. Start with that job, compare how three representative verbs change, and the group names become a useful shortcut instead of another vocabulary test.
This guide builds that shortcut around 書く, kaku, to write; 食べる, taberu, to eat; and する, suru, to do. You will use the dictionary, ます, ない, て and た forms, then transfer the pattern to unfamiliar verbs and real sentences. KanaWay is an upcoming app, and its planned grammar flow connects explanation, an attempt, targeted feedback, a changed prompt and later review. You can reproduce the complete method now with paper cards and the free Japan Foundation resources linked below.
Begin free Japanese verb conjugation with a purpose
Do not try to learn every form at once. Choose five functions that appear constantly: name an action in dictionary form, speak politely with ます, make a negative with ない, connect or request with て, and report a completed event with た. Attach each form to one small situation. 書きます can answer what you do; 書かない can reject an action; 書いて can connect or support a request; 書いた can report what happened. Meaning gives the sound change somewhere to live.
Use one verb from each group before adding more vocabulary. Say the situation first, predict the form aloud, then check it. If the answer is wrong, note whether you chose the wrong group or applied the wrong transformation. Those are different problems. A group error requires better classification; a transformation error requires a clearer sound pattern. Separating them prevents the vague conclusion that you are simply bad at conjugation and points directly to the next useful drill.
- Dictionary form: identify or embed the action.
- ます form: present the action politely.
- ない form: state that the action does not occur.
- て form: connect, request or build another expression.
- た form: present a completed or past action.
Map the three Japanese verb groups once
The Japan Foundation's Irodori grammar note divides verbs into three groups according to conjugation type. Group 1 verbs, often called godan or u-verbs, change the final u-row sound: 働く becomes 働きます. Group 2 verbs, often called ichidan or ru-verbs, normally remove the final る before an ending: 食べる becomes 食べます. Group 3 contains the irregular patterns する and 来る, kuru, together with する compounds such as 勉強する. Different textbooks use different labels, but they point to the same practical choice.
Store both names only if you meet both in your materials: Group 1/godan, Group 2/ichidan and Group 3/irregular. Do not infer that Group 1 means beginner and Group 2 means advanced. The numbers classify patterns, not difficulty or study order. Add the group to a verb when you first learn it, especially for verbs ending in る. A dependable dictionary entry can confirm the class. That one check is cheaper than relearning five incorrect forms later.

Let Group 1 verbs move across the kana rows
For Group 1, the final dictionary-form kana changes according to the form you need. With the negative, move to the a-row and add ない: 書く becomes 書かない, 読む becomes 読まない, and 話す becomes 話さない. Verbs ending in う use わ before ない, so 買う becomes 買わない, not 買あない. For the polite form, use the i-row before ます: 書きます, 読みます, 話します and 買います. Seeing the vowel-row movement is more useful than memorizing each word as an unrelated exception.
The て and た forms group endings by sound. う, つ and る become って or った; む, ぶ and ぬ become んで or んだ; く becomes いて or いた; ぐ becomes いで or いだ; and す becomes して or した. Thus 書く becomes 書いて and 書いた, while 読む becomes 読んで and 読んだ. 行く is the famous practical exception: 行って and 行った. Learn it with the pattern it actually uses rather than treating the whole system as irregular.
- 書く → 書きます → 書かない → 書いて → 書いた
- 読む → 読みます → 読まない → 読んで → 読んだ
- 話す → 話します → 話さない → 話して → 話した
- 買う → 買います → 買わない → 買って → 買った
Make Group 2 forms by protecting the stem
Group 2 is visually calmer. Remove the final る and attach the ending: 食べる becomes 食べます, 食べない, 食べて and 食べた. 見る becomes 見ます, 見ない, 見て and 見た. The part before る stays stable, which is why these verbs are also described as vowel-stem verbs. Practise them beside a Group 1 verb so the difference remains meaningful: 書かない versus 食べない; 書いて versus 食べて. Contrast prevents the easy pattern from becoming an isolated chant.
Put the forms into a sequence of actual actions. 朝ごはんを食べて、仕事を始めます means I eat breakfast and start work. 昨日は家で映画を見た reports that you watched a film at home yesterday. 今日は肉を食べない states a current decision not to eat meat. Notice that the same verb group supports several functions; the ending is not merely a tense label. Read the complete sentence, change one detail and say it again so form and message stay connected.

Treat する and 来る as small high-value patterns
Group 3 is irregular but compact. する becomes します, しない, して and した. 来る, read kuru in dictionary form, becomes 来ます, kimasu; 来ない, konai; 来て, kite; and 来た, kita. Learn the readings with the forms because the kanji alone hides the sound change. These two patterns appear constantly. する also turns many nouns into verbs: 勉強する, 予約する, 運動する and 連絡する follow the same transformation.
Use compounds as complete messages rather than assuming every noun naturally accepts する. 明日、予約します means I will make the reservation tomorrow. まだ連絡していません means I have not contacted them yet. 今日は運動しない expresses a decision not to exercise today. 来る needs equally varied contexts: 友だちが来た, a friend came; 何時に来ますか, what time will you come? A short bank of reliable sentences is more useful than calling these verbs exceptions and postponing them.

Do not classify every る verb by appearance
A common shortcut says verbs ending in an i- or e-sound plus る are Group 2. It predicts many verbs such as 食べる, 見る, 起きる and 借りる, but it is not a guarantee. 帰る, to return; 入る, to enter; 走る, to run; 切る, to cut; and 知る, to know, are Group 1. Their forms are 帰らない and 帰って, not the Group 2 shapes 帰ない or 帰て. Learn frequent exceptions with their group and one diagnostic form.
When uncertain, do not guess from kanji or English meaning. Check a dependable dictionary and save a contrast pair: 借りる, Group 2, becomes 借りて; 帰る, Group 1, becomes 帰って. The sound and function make the distinction memorable. In KanaWay's planned workflow, a wrong form can return with a changed prompt and its group cue rather than resetting an entire table. On paper, write the missed verb on a colored card, include one contrasting neighbor and test it again two days later.
Use a form-first KanaWay practice loop
KanaWay is still upcoming, so this is a description of the intended study flow rather than a released feature claim. A short explanation introduces one communicative job. You see a known verb in context, predict the required form, receive feedback on the exact sound change and immediately try a changed sentence. Later review returns to the missed connection: group choice, negative row, て-form family or irregular reading. Reading and listening then reuse the same form so it is not trapped in a conjugation screen.
Recreate the loop with twelve cards. Choose four verbs from each group and ask five prompts: politely, not today, please do it, do A and B, and did it yesterday. Speak before turning the card. After checking, build one sentence you could plausibly say. On the next round, shuffle groups and prompt order. The goal is not to finish cards quickly; it is to choose a form from meaning, produce it, and still understand it when another speaker uses it at normal sentence speed.

Follow seven days of free Japanese verb practice
Day one sorts twelve familiar verbs into groups and confirms every uncertain る verb. Day two produces ます and ない forms from short situations. Day three adds て forms and groups Group 1 endings by sound. Day four uses た forms to report yesterday. Day five links two actions and makes simple requests. Day six practises a short dialogue with a partner or two recorded roles. Day seven mixes all prompts, then revisits only errors. Fifteen focused minutes per day are enough for this first cycle.
Track three numbers: correct group choices, correct transformations and complete sentences produced without notes. If classification is weak, reduce the verb set and add dictionary checks. If transformation is weak, compare one ending family at a time. If isolated forms are correct but sentences stall, spend the next cycle on situations and spoken responses rather than another chart. The Japan Foundation Sydney also provides free conjugation practice you can use as a second source of prompts. Progress means the right form arrives in a useful sentence, not that a table looks familiar.
- Days 1–2: classify and contrast polite with negative.
- Days 3–4: connect て and た sound families.
- Days 5–6: requests, action chains and dialogue.
- Day 7: mixed retrieval and cause-based review.
Learn the group once, retrieve the form from meaning, and return the result to a real sentence.

