1. Basic structure
| Form | Structure with ～くらいは～ | Example | Meaning |
|---|
| Noun | N + くらいは + Clause | 挨拶くらいはしなさい | At least N… |
| Verb | Vる + くらいは + Clause | 連絡するくらいはできる | At least (do) V… |
| Quantity | 数量 + くらいは + Clause | 五分くらいは待てる | Minimum |
| Emphasis | せめて + ～くらいは … | せめてメールくらいはして | “At least” (with a nuance of reproach/pleading) |
2. Main meaning & detailed analysis
- Emphasizes the acceptable minimum: “at least…”.
- Speaker’s attitude: often includes a reminder, mild reproach, minimum request, or suggestion.
- What comes before くらいは is something “easy/basic,” or a small amount.
3. Illustrative examples
- 遅れるなら、電話くらいは入れてください。
If you're going to be late, please at least give me a call. - 初対面なら、挨拶くらいはちゃんとしよう。
If it's the first meeting, at least greet properly. - 忙しくても、メッセージを読むくらいはできるでしょ。
Even if you're busy, you can at least read the messages, right? - 試験前は、単語くらいは覚えておけ。
Before the exam, at least memorize the words. - 財布を忘れても、交通費くらいは持っておきなさい。
Even if you forget your wallet, at least have your fare with you. - 彼に謝るくらいはしたほうがいい。
At the very least, you should apologize to him.
4. Usage & nuance
- Often used with せめて to heighten the “minimum” tone.
- What precedes くらいは is obvious/basic; use with juniors or people you know to avoid sounding blunt.
- Suitable for recommendations/rules: 参加するくらいは義務だ。
5. Comparison, distinctions, and similar patterns
| Pattern | Meaning | Difference | Short example |
|---|
| ～くらい | About/to the extent of | Not necessarily “at least”; more neutral | 10分くらい待つ |
| ～だけでも | Even just … | Similar when emphasizing a minimum, but softer | 挨拶だけでもして |
| ～せめて | At least | An adverb; くらいは is the core construction | せめて連絡して |
| ～くらいなら | If it's only to that extent… | A comparative conditional, not “at least” | 待つくらいなら行かない |
6. Additional notes
- After くらいは, the following clause often expresses expectation/request (～しなさい／～してほしい／～べきだ…).
- In business emails, use indirectly to be polite: ご連絡くらいはいただけますと幸いです。
- Can be used with negation to stress a minimum: それくらいは難しくない（at least that much isn't hard）.
7. Variations & set phrases
- せめて + N/Vる + くらいは …
- それ/これ + くらいは …（at least that/this …）
- 最低でも + 数量 + くらいは …
8. Common mistakes & JLPT traps
- Confusing with くらい (degree): くらいは requires the particle は to create the “at least” meaning.
- Using it with too strong a demand in a polite context can sound blunt; add ください／いただけますか.
- Don't use it for things beyond the “minimum”; if you're asking for more, use べき/必要がある instead of くらいは.
Comparison – Degree – Emphasis
