LESSON NOTES · レッスンノート

N5Grammar, one piece at a time · Sep 12, 2026

The Japanese te-form: how to make it, and why half of Japanese needs it

The te-form is not a tense — it is a connector that ends a clause without ending the sentence, and at least a dozen later grammar points are built directly on top of it.

Most learners meet the te-form as "the form you need for てください," memorize five or six verbs, and move on. Three months later every new page in the textbook opens with "take the te-form and add..." — and the shaky conjugation from month one quietly becomes the bottleneck for everything after it. In lessons this is the single most common place where progress stalls without the student realizing why.

The basics

What is the te-form actually for?

On its own it does exactly one job: it finishes a clause while leaving the sentence open. Think of it as a comma with grammar attached. English joins actions with "and"; Japanese joins them by putting every verb except the last one into the te-form.

あさごはんをべて、学校がっこうきます。 — I eat breakfast and go to school. (first verb in te-form, only the last verb carries tense) 電気でんきして、ました。 — I turned off the light and went to sleep. (the past tense lives on ました alone)

That second point matters more than it looks. The te-form carries no tense of its own — べて is not past, present, or future. Whatever the final verb is doing, the whole chain is doing.

How do you make it?

Japanese verbs fall into three groups, and only one of them is any trouble.

Group 2 (ichidan, the る-verbs): drop る, add て. べる → べて, る → て, きる → きて. That is the entire rule.

Group 3 (irregular): two verbs, memorize them. する → して, る → て.

Group 1 (godan, the う-verbs): the final syllable decides. This is the part that needs drilling, and it is six rules, not fifty:

Dictionary ending Te-form Examples
う・つ・る って う → って / つ → って / かえる → かえって
む・ぶ・ぬ んで む → んで / あそぶ → あそんで / ぬ → んで
いて く → いて / く → いて
いで およぐ → およいで / いそぐ → いそいで
して はなす → はなして / す → して
(the one exception) って not おこないて

ともだちをって、一緒いっしょかえりました。 — I waited for my friend and we went home together. (つ → って) コーヒーをんで、ほんみました。 — I drank coffee and read a book. (む → んで)

Why do some verbs take で instead of て?

Because of the sound in front of it — the む・ぶ・ぬ and ぐ endings voice the connector purely for ease of pronunciation.

Say んて out loud. Your mouth fights it; the nasal ん wants a voiced consonant after it, so Japanese settled that argument centuries ago and made it んで. The same goes for ぐ → いで. There is nothing extra to memorize — the で cases are exactly the ones your mouth would have produced anyway.

What about adjectives and nouns?

They have te-forms too, and they do the same connector job — which is why "cheap and delicious" is one grammar point, not two.

  • い-adjectives: drop い, add くて — やすい → やすくて, おいしい → おいしくて
  • な-adjectives and nouns: add で — きれい → きれいで, 学生がくせい学生がくせい

このみせやすくて、おいしいです。 — This restaurant is cheap and delicious. (い-adjective te-form) かれ日本人にほんじんで、東京とうきょうんでいます。 — He is Japanese and lives in Tokyo. (noun + で)

The trap here is と. と joins nouns — パンと牛乳ぎゅうにゅう, "bread and milk" — and never joins clauses. やすいとおいしい is not something a native speaker produces; it has to be やすくておいしい.

Beyond the basics

What is the te-form really for, beyond "and"?

It is the foundation the rest of your grammar sits on. Almost every useful pattern from here to intermediate level begins with a te-form:

Pattern What it does
〜ている ongoing action or resulting state
〜てください please do this
〜てもいいですか may I do this?
〜てはいけません you must not do this
〜てみる try doing it and see
〜てしまう finish it off / do it by accident
〜ておく do it in advance, get it out of the way
〜てあげる・てくれる・てもらう do it for someone, have it done for you
〜てから after doing it

This is the real reason to over-invest in the conjugation chart early. Every hour spent on the te-form pays out again in 〜てもいいですか, in 〜てはいけません, and in the progressive tense you will use in every second sentence you speak.

Can the te-form mean "because"?

Yes — a te-form clause often gives the reason for what follows, not just the action before it.

あめって、試合しあい中止ちゅうしになりました。 — It rained, so the match was cancelled. (cause, not sequence) みちからなくて、おくれました。 — I didn't know the way, so I was late. (negative te-form: からない → からなくて)

But this use has a hard limit worth knowing: a te-form reason cannot be followed by a command, a request, or an invitation. 「あつくて、まどひらけてください」sounds broken to a native ear. When the second half is a request, you need から or ので instead: あついので、まどひらけてください. That is a grammatical rule, not a matter of taste.

What happens to the te-form in real speech?

It collapses — often so far that beginners cannot hear it at all, which is why spoken Japanese can sound like a different language from the textbook.

  • 〜ている → 〜てる (ている → てる)
  • 〜ておく → 〜とく (っておく → っとく)
  • 〜てしまう → 〜ちゃう (べてしまう → べちゃう)
  • 〜ては → 〜ちゃ (てはだめ → ちゃだめ)

なにしてるの? — What are you doing? (casual, 〜ている squeezed to 〜てる) 全部ぜんぶべちゃった。 — I ate the whole thing. (casual, 〜てしまった → 〜ちゃった, carrying a hint of "oops")

Nearly every te-form in anime dialogue has been compressed like this. The skill to build is expansion: hearing べちゃった and unpacking it to べてしまった in your head. Which contractions are appropriate where is a register question — see casual vs. polite Japanese.

Is there a formal alternative?

Yes — the masu-stem, and written Japanese uses it constantly where speech would use a te-form.

べて → べ, って → き, って → い. News articles, signage, and formal email join their clauses with the bare stem.

えき切符きっぷい、電車でんしゃりました。 — I bought a ticket at the station and boarded the train. (written register, stem in place of te-form)

You do not need to produce this as a beginner. Recognizing it matters, though — otherwise formal Japanese reads like a typo.

Common mistakes

  • Putting tense on the te-form. There is no past te-form. Tense goes on the final verb only: べて、きました — never べた、きました as a single joined idea.
  • Using と to join clauses. と is for nouns. やすいとおいしい → やすくておいしい.
  • おこないて for く. The one godan verb that breaks the く → いて rule. It is って.
  • Attaching a request to a te-form reason. さむくて、まどめてください → さむいので、まどめてください.
  • Reaching for the dictionary form in te-form patterns. べるもいいですか is not a sentence; べてもいいですか is.
  • Drilling the chart silently. The godan endings are sound rules. Read them out loud or they never become automatic.

How to practise it

Take twenty verbs you already know and say the te-form out loud without looking — then check. The goal is not accuracy on paper, it is speed: under a second per verb, no internal translation step. Six endings, twenty reps a day, and the bottleneck is gone in a week.

Then flip it. The た-form (past tense) uses exactly the same endings with た and だ instead of て and で: んで → んだ, いて → いた, はなして → はなした. Every rep on the te-form is a free rep on the past tense, which makes this the highest-return drill in beginner Japanese.

Practice

Answers are hidden — say each one out loud before you open it. Questions 3 and 4 are a pair: two endings that sound almost identical and are not.

1. Make the te-form of べる.

Show answer

べて — Group 2: drop る, add て. That is the entire rule for this group.

2. Make the te-form of う, つ and かえる.

Show answer

って / って / かえって — う, つ and る all become って. Note that かえる is Group 1 despite ending in る.

3. Make the te-form of む.

Show answer

んで — む, ぶ and ぬ take んで. Say んて out loud and you will hear why it is voiced.

4. Make the te-form of く and of およぐ.

Show answer

いて / およいで — く takes いて, ぐ takes いで. This is the pair to question 3: the voiced ending follows the voiced consonant.

5. Something is wrong here: 学校がっこうおこないて、ともだちにいました。

Show answer

ってく is the one Group 1 verb that breaks the く → いて rule.

6. Join やすい and おいしい.

Show answer

やすくておいしい — い-adjectives drop い and take くて. と joins nouns, never clauses.

7. Where does the tense go in 電気でんきして、ました?

Show answer

On ました only — the te-form carries no tense. Whatever the final verb does, the whole chain does.

8. Something is wrong here: あつくて、まどひらけてください。

Show answer

あついので、まどひらけてください — a te-form reason cannot be followed by a request or a command. That is a rule, not a preference.

9. Expand 全部ぜんぶべちゃった back to its full form.

Show answer

全部ぜんぶべてしまった — 〜てしまう contracts to 〜ちゃう in speech. Expanding contractions in your head is the listening skill to build.

10. You know んで, いて and はなして. What do you also know for free?

Show answer

The past tense: んだ, いた, はなした — the past form uses the same six endings with た and だ. Every te-form rep is a free past-tense rep.

FAQ

Is the te-form a tense? No. It carries no time information whatsoever. The final verb in the sentence sets the tense for the entire chain, which is why べて、きました is unambiguously past even though べて looks neutral.

Which is harder, the te-form or the past tense? They are the same problem wearing two hats — same six endings, swapping て/で for た/だ. Learn one properly and the other arrives at no extra cost.

Do I really need to memorize the chart? Memorize the six godan endings, yes — but as sounds rather than as a grid. Most learners who "know the chart" and still stall are reciting it visually instead of having drilled it aloud.

Why do some books call it the "te-form" and others the "gerund"? Different naming traditions for the same conjugation. "Te-form" is the standard term in Japanese-language teaching and the one every textbook index will use, so it is the one worth keeping.

Can one sentence have more than two te-forms? Yes, and natural speech often does — きて、かおあらって、あさごはんをべて、いえました is perfectly ordinary. Three or four is normal; past that it starts sounding like a list.

Does a sentence ending in 〜て mean anything on its own? Yes — it is a casual request with ください dropped. って!is "wait!" and て!is "look!" Both are extremely common in speech and in anime.

Vocabulary from this article

Tap the block to select all of it, then copy. In Anki: File → Import, note type Basic, separator Tab — the first column becomes the front, the second the back.

朝ごはん	あさごはん — breakfast
学校	がっこう — school
行く	いく — to go
電気	でんき — light, electricity
消す	けす — to turn off
寝る	ねる — to sleep
食べる	たべる — to eat
見る	みる — to see, to watch
起きる	おきる — to get up
買う	かう — to buy
待つ	まつ — to wait
帰る	かえる — to go home
飲む	のむ — to drink
遊ぶ	あそぶ — to play
書く	かく — to write
聞く	きく — to hear, to listen
泳ぐ	およぐ — to swim
急ぐ	いそぐ — to hurry
話す	はなす — to speak
貸す	かす — to lend
一緒	いっしょ — together
本	ほん — book
読む	よむ — to read
店	みせ — shop, restaurant
安い	やすい — cheap
学生	がくせい — student
東京	とうきょう — Tokyo
住む	すむ — to live
雨	あめ — rain
降る	ふる — to fall (rain)
試合	しあい — match, game
道	みち — road, way
分かる	わかる — to understand
遅れる	おくれる — to be late
暑い	あつい — hot
窓	まど — window
開ける	あける — to open
全部	ぜんぶ — all of it
駅	えき — station
切符	きっぷ — ticket
電車	でんしゃ — train
乗る	のる — to board
寒い	さむい — cold
閉める	しめる — to close
顔	かお — face
洗う	あらう — to wash
家	いえ — house, home

I'm Yuuki, a Japanese teacher based in Tokyo. I've taught on italki as a Top 1% teacher and watched over 1,500 anime, and if I could go back and make every beginner drill one thing to automatic speed, it would be this conjugation — almost everything that feels hard later is downstream of it.

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Sources: the author's own lessons and standard reference grammars.

More drills like the ones above, plus a timed JLPT-style mock test: Practice · N5

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