Japanese JLPT Grammar Point
Noun ぐらい~ (Noun gurai~)

Noun ぐらい~ (Noun gurai~)

Short explanation:

Express an approximate amount or degree; 'about', 'approximately'.

Formation:

Noun + ぐらい

Examples:

一日中勉強したので、10時間ぐらい勉強しました。
Ichinichijuu benkyou shita node, juu jikan gurai benkyou shimashita.
I studied all day, so I studied for about 10 hours.
この本は100ページぐらいある。
Kono hon wa hyaku peeji gurai aru.
This book has about 100 pages.
彼は果物を5個ぐらい食べました。
Kare wa kudamono wo go-ko gurai tabemashita.
He ate about 5 pieces of fruit.
駅から家まで歩いて20分ぐらいかかります。
Eki kara ie made aruite nijuppun gurai kakarimasu.
It takes about 20 minutes to walk from the station to my house.

Long explanation:

The ぐらい grammar point is used with nouns to express an approximate amount or degree. It is often translated as 'about', 'approximately', or 'around' in English. This can be used for time, quantity or other measurements.

Detailed Grammar notes:

Processing keyword: Noun ぐらい~ (Noun gurai~)

Japanese Grammar Point: Noun ぐらい~ (Noun gurai~)

Noun ぐらい~ (Noun gurai~)

1. Introduction

The particle ぐらい (gurai) in Japanese is used to express approximation or extent. It is commonly translated as "about," "approximately," "around," or "at least" in English. When attached to a noun, it helps convey an estimated quantity, degree, or the minimal expectation of something.


2. Core Grammar Explanation

Meaning

  • Approximate Quantity or Degree: Indicates an estimate or rough amount.
  • Minimal Expectation or Extent: Suggests the least or minimal level expected.

Structure

[Noun] + ぐらい / くらい

Note: ぐらい and くらい are interchangeable and have the same meaning. The choice between them often depends on personal preference or regional dialects.

Formation Diagram

Noun Particle
一時間 (1 hour) ぐらい
100円 (100 yen) ぐらい
子供 (child) ぐらい
  • Example: 一時間ぐらい
    About one hour

3. Comparative Analysis

ぐらい vs. ごろ

  • ぐらい (gurai): Used with quantities, amounts, and extents (nouns indicating duration, quantity, etc.).
    • Ex: 三日ぐらい休みます。
      I will take a break for about three days.
  • ごろ (goro): Used with specific points in time.
    • Ex: 三時ごろに会いましょう。
      Let's meet around 3 o'clock.

ぐらい vs. ほど

Both particles can express approximation, but:

  • ぐらい: Often used for rough estimates, subjective.
  • ほど: Can indicate a degree to which something happens, often objective. Ex:
  • 彼女は20歳ぐらいです。
    She is about 20 years old.
  • 彼女は歩けないほど疲れている。
    She is so tired that she cannot walk.

4. Examples in Context

Sentence Examples

  1. Approximate Quantity
    • 日本まで飛行機でどのくらいかかりますか。
      Nihon made hikōki de dono kurai kakarimasu ka.
      About how long does it take to get to Japan by plane?
    • このケーキは1000円ぐらいです。
      Kono kēki wa sen-en gurai desu.
      This cake is about 1000 yen.
  2. Minimal Expectation
    • 挨拶ぐらいしてほしい。
      Aisatsu gurai shite hoshii.
      I wish you would at least greet me.
    • メールぐらい送ってください。
      Mēru gurai okutte kudasai.
      Please at least send an email.
  3. Expressing Approximate Degree
    • 彼は僕と同じぐらいの背だ。
      Kare wa boku to onaji gurai no se da.
      He is about the same height as me.
  4. Casual Spoken
    • お腹が痛いけど、我慢できないぐらいじゃない。
      Onaka ga itai kedo, gaman dekinai gurai janai.
      My stomach hurts, but it's not so bad that I can't stand it.
  5. Formal Written
    • この問題は子供でも解けるくらい簡単です。
      Kono mondai wa kodomo demo tokeru kurai kantan desu.
      This problem is so easy that even a child can solve it.

5. Cultural Notes

Cultural Relevance

  • Politeness Levels: The use of ぐらい does not significantly affect the politeness level of a sentence. It is neutral and can be used in both formal and informal contexts.

Idiomatic Expressions

  • せめて~ぐらい
    At least...
    • せめて挨拶ぐらいしてほしい。
      I wish you'd at least greet me.
  • これぐらい
    About this much; to this extent.
    • これぐらいの大きさです。
      It's about this size.
  • どのぐらい
    How much; how long; to what extent.
    • どのぐらい時間がかかりますか。
      How much time will it take?

6. Common Mistakes and Tips

Error Analysis

  • Mixing up ぐらい and ごろ
    • Incorrect: 明日、三時ぐらいに会いましょう。
      (Ashita, san-ji gurai ni aimashō.)
    • Correct: 明日、三時ごろに会いましょう。
      (Ashita, san-ji goro ni aimashō.)
      Let's meet around 3 o'clock tomorrow. Tip: Use ごろ with specific times, ぐらい with quantities or durations.

Learning Strategies

  • Mnemonic Device
    • Think of ぐらい as "Ground estimate" – estimating quantities or extents (amounts grounded in estimation).
  • Practice with Questions
    • Use どのぐらい to ask questions about quantity or degree.
      • どのぐらい勉強しましたか。
        How much did you study?

7. Summary and Review

Key Takeaways

  • ぐらい attaches to nouns to express approximation or minimal expectations.
  • Commonly translates to "about," "approximately," "around," or "at least."
  • Interchangeable with くらい; choice depends on personal or regional preference.
  • Be careful not to confuse ぐらい with ごろ, which is used with specific times.

Quick Recap Quiz

  1. What does ぐらい express when attached to a noun?
  2. Which particle would you use for "Let's meet around 6 o'clock": ぐらい or ごろ?
  3. Translate to Japanese: "I slept for about eight hours."

Answers:

  1. Approximate quantity, degree, or minimal expectation ("about," "approximately," "at least").
  2. ごろ (because it's a specific time)
  3. 私は八時間ぐらい寝ました。
    Watashi wa hachi-jikan gurai nemashita.

By understanding and practicing the use of ぐらい, you'll be able to express estimates and minimal expectations more naturally in Japanese. Remember to differentiate it from similar particles like ごろ and ほど to avoid common mistakes.

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