1. Basic structure
| Pattern | Formation with ～けれど、～ | Examples | Nuance/Notes |
|---|
| Verb | V普通形＋けれど（も）/けど | 行くけれど、…／行ったけど… | けど is casual; けれども is polite |
| i-adjective | Aい＋けれど（も） | 忙しいけれど… | Keep い |
| na-adjective / noun | Aな/N ＋ だけれど（も）／ですけれども | 元気だけれど…／雨ですけれども… | Plain form requires だ |
| Sentence-final ellipsis | …けど。／…けれども。 | ちょっと相談があるんですけど…。
| Opening/request |
2. Main meanings & detailed analysis
- Contrast/concession: “although..., but...”.
- Softens an utterance; used to preface a proposal/request/asking permission/explanation.
- Compared with が: more casual; compared with しかし: less formal and links clauses within the same sentence.
3. Example sentences
- 疲れているけれど、もう少し頑張る。
Although I'm tired, I'll try a little more. - 日本は物価が高いけど、安全だ。
Prices are high in Japan, but it’s safe. - すみません、今日は無理なんですけど…。
Sorry, I can't today… - この案はいいけれども、予算が足りない。
This proposal is good, but the budget isn't sufficient. - 行きたいけど、用事がある。
I want to go, but I have something to do.
4. Usage & nuance
- Used in everyday conversation; in formal writing, prefer ～が／しかし.
- Used at the end of a sentence to invite a response/ imply something, softening refusals/requests.
- Put the important clause second to maintain logical flow.
5. Comparison, distinctions, and similar patterns
| Pattern | Meaning | Differences | Short example |
|---|
| ～が | But | More formal; rarely used for a trailing ending | 行きたいが、行けない。 |
| しかし | However | Conjunction that separates sentences | 高い。しかし、必要だ。 |
| ～ものの | Although | Written, formal | 合格したものの… |
| でも | But (sentence-initial) | Does not link directly like けど | でも、行かない。 |
6. Additional notes
- Polite openings: 恐れ入りますが／申し訳ありませんが＋…けれども.
- With んです: background explanation＋んですけれど to highlight the underlying reason.
7. Variations & fixed phrases
- けど／けれど／けれども／ですけれども
- ～んだけど／～んですけれども（softening, opening）
- とはいえ（close in meaning, more formal）
8. Common mistakes & JLPT traps
- Omitting だ with な-adjectives/N: ×静かけれど → 静かだけれど.
- Using けど in long formal writing → replace with が/しかし/ものの.
- Misplacement: でも cannot directly replace けど in the middle of a sentence.
Sentence Connection & Linking
