When you want to pile two descriptions onto the same thing — cheap *and tasty, quiet **and spacious — Japanese doesn't repeat a word for "and." Instead the first adjective shifts into its *te-form and hands off to the next word. English has one connector ("and"); Japanese splits the job by adjective class. An i-adjective links with 〜くて (安くて美味しい "cheap and tasty"). A na-adjective links with 〜で (静かできれい "quiet and pretty"). Pick the wrong connector and the sentence sounds broken to a native ear, so the first thing to lock down is which class you're starting from.
i-adjectives: drop い, add くて
Take an i-adjective, remove the final い, and add くて. That's the te-form. It leaves the sentence hanging, ready for another adjective, a verb, or a whole second clause.
- 安い → 安くて
- 広い → 広くて
- 明るい → 明るくて
このお店は安くて美味しいから、よく来ます。
kono omise wa yasukute oishii kara, yoku kimasu
This place is cheap and tasty, so I come here often.
新しいアパートは広くて明るいです。
atarashii apāto wa hirokute akarui desu
The new apartment is spacious and bright.
Only the first adjective becomes te-form; the last one carries the tense and politeness for the whole chain. In 安くて美味しいです, the です at the end covers both.
na-adjectives: add で (the copula's te-form)
A na-adjective doesn't have its own te-form. It borrows the copula's. The plain copula だ has a te-form で, and that is exactly what a na-adjective uses to link: just add で to the stem.
- 静か → 静かで
- 便利 → 便利で
- きれい → きれいで
この部屋は静かで広いので、集中できます。
kono heya wa shizuka de hiroi node, shūchū dekimasu
This room is quiet and spacious, so I can concentrate.
駅に近くて、便利で安いホテルを探しています。
eki ni chikakute, benri de yasui hoteru o sagashite imasu
I'm looking for a hotel that's close to the station, convenient, and cheap.
新しい図書館は静かできれいだと評判です。
atarashii toshokan wa shizuka de kirei da to hyōban desu
The new library has a reputation for being quiet and beautiful.
Notice you can freely mix classes in one chain: 静かで広い pairs a na-adjective (静かで) with an i-adjective (広い); 便利で安い pairs na (便利で) with i (安い). Each adjective just uses its own connector.
The whole thing is the SAME class split you already know
This is the insight that turns "another rule to memorize" into "the rule you already know, reused." The 〜くて / 〜で divide is not a new fact about te-forms — it is the exact same divide that runs through every adjective form.
| Past | Negative | te-form (linking) | |
|---|---|---|---|
| i-adjective 高い | 高かった | 高くない | 高くて |
| na-adjective 静か | 静かだった | 静かじゃない | 静かで |
An i-adjective conjugates on its own stem (く-, かっ-), so its te-form is built on that stem too: く + て = くて. A na-adjective has no stem of its own to conjugate — it always leans on the copula (だった, じゃない), so its te-form is likewise the copula's: だ's te-form is で. Same logic, three columns. If you already know 高かった/静かだった, you already know 高くて/静かで — it's the copula-vs-own-inflection split every time. The copula side of で is covered on the copula te-form で page, and the class overview is adjectives overview.
The one irregular: いい → よくて
The adjective いい ("good") is irregular in every conjugation, and the te-form is no exception. Whenever いい inflects, it reverts to its older stem よ. So the te-form is よくて, never ×いくて.
彼は頭がよくて優しいから、みんなに好かれている。
kare wa atama ga yokute yasashii kara, minna ni sukarete iru
He's smart and kind, so everyone likes him.
This carries over to the compound かっこいい ("cool/good-looking") → かっこよくて, and 気持ちいい ("pleasant") → 気持ちよくて. Anything ending in いい follows いい's irregularity.
The linked clause can carry a light "so" — sequence and cause
The te-form doesn't only stack adjectives on one noun. It also chains clauses, and when it does, the connection often carries a soft causal flavor — "it was X, so Y." This is subtler than から (which states an explicit reason); the te-form just lays the cause before the result and lets the sequence imply the link, especially with a result that expresses inability, emotion, or a natural consequence.
値段が高くて、結局買えなかった。
nedan ga takakute, kekkyoku kaenakatta
It was expensive, so in the end I couldn't buy it.
問題が難しくて、時間内にできなかった。
mondai ga muzukashikute, jikan-nai ni dekinakatta
The problems were hard, so I couldn't finish in time.
道が静かで、赤ちゃんはすぐに眠ってしまった。
michi ga shizuka de, akachan wa sugu ni nemutte shimatta
The road was quiet, so the baby fell asleep right away.
高くて買えなかった literally strings "it was expensive" and "I couldn't buy it" together, and the reader infers the causal link. One caution: this causal te-form does not work with commands, requests, or invitations as the result (for those you need から/ので). 高くて買わないで is unnatural; 高いから買わないで is what you'd say. But for a natural, uncontrollable result — couldn't, was surprised, got tired — the te-form's light "so" is idiomatic and common.
Common Mistakes
1. Using くて on a na-adjective. な-adjectives borrow the copula's で, not くて.
❌ この部屋は静かくて広いです。
kono heya wa shizukakute hiroi desu
Wrong — 静か is a na-adjective; link with で, not くて.
✅ この部屋は静かで広いです。
kono heya wa shizuka de hiroi desu
This room is quiet and spacious.
2. Using で on an i-adjective. い-adjectives have their own te-form, くて.
❌ このお店は安いで美味しい。
kono omise wa yasui de oishii
Wrong — 安い is an i-adjective; its te-form is 安くて.
✅ このお店は安くて美味しい。
kono omise wa yasukute oishii
This place is cheap and tasty.
3. Making ×いくて from いい. いい reverts to よ when it inflects.
❌ 天気がいくて、散歩に行った。
tenki ga ikute, sanpo ni itta
Wrong — いい's te-form is よくて.
✅ 天気がよくて、散歩に行った。
tenki ga yokute, sanpo ni itta
The weather was nice, so I went for a walk.
4. Just leaving the い and adding て. The い must first become く.
❌ 部屋が広いて明るい。
heya ga hiroite akarui
Wrong — drop the い and add くて: 広くて.
✅ 部屋が広くて明るい。
heya ga hirokute akarui
The room is spacious and bright.
Key Takeaways
- To chain descriptions, put the first adjective in its te-form: i-adjectives → 〜くて (安くて), na-adjectives → 〜で (静かで, borrowed from the copula だ).
- Only the first adjective becomes te-form; the last word carries tense and politeness for the whole chain.
- It's the same class split as past/negative — inflect-on-own-stem (い) vs. lean-on-copula (な) — not a new rule.
- いい is irregular → よくて (and かっこよくて, 気持ちよくて).
- The te-form linking clauses can carry a light causal "so" (高くて買えなかった) — but not before commands/requests, where you need から/ので.
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Start learning Japanese→Related Topics
- で: The te-form of the CopulaN4 — で as the te-form of the copula — the connective that chains a noun or na-adjective clause to what follows (学生で、二十歳です), carries a light causal sense (病気で休んだ), and explains why na-adjectives link with で while i-adjectives link with くて.
- Two Adjective ClassesN5 — Japanese has two structurally different kinds of adjective — い-adjectives that conjugate themselves like verbs, and な-adjectives that are really nouns borrowing the copula — and this single split explains every adjective form you will ever meet.