B2 Honorifics & Register 1 min read かんたん

Vowel Shift: 'é' to 'í' in Common Czech

Grammar Rule in 30 Seconds

In spoken Czech, the long vowel 'é' often shifts to 'í' to sound more natural and less formal.

  • Shift 'é' to 'í' in most common adjectives (e.g., 'dobré' becomes 'dobrý').
  • Apply this shift primarily in spoken, informal contexts, not in formal writing.
  • Avoid the shift in high-register literature or official public speaking.
é ➔ í (Spoken Only)

Neuter Adjective Shift

Standard (Formal) Spoken (Informal) Example
dobré
dobrý
To je dobrý.
hezké
hezký
To je hezký.
nové
nový
To je nový.
velké
velký
To je velký.
malé
malý
To je malý.
červené
červený
To je červený.

Meanings

This rule describes the phonological shift where the long vowel 'é' is replaced by 'í' in spoken Czech, particularly in adjective endings and some verb forms.

1

Adjectival Shift

The most common shift in neuter nominative/accusative singular adjective endings.

“To je hezký auto.”

“Je to velký překvapení.”

Reference Table

Reference table for Vowel Shift: 'é' to 'í' in Common Czech
Form Structure Example
Affirmative
To je [adj+í]
To je hezký.
Negative
To není [adj+í]
To není hezký.
Question
Je to [adj+í]?
Je to hezký?
Short Answer
Je.
Je.
Comparison
Je to víc [adj+í].
Je to víc hezký.
Plural
Jsou [adj+é].
Jsou hezké.

フォーマル度スペクトル

フォーマル
To je dobré auto.

To je dobré auto. (Casual conversation)

ニュートラル
To je dobré auto.

To je dobré auto. (Casual conversation)

カジュアル
To je dobrý auto.

To je dobrý auto. (Casual conversation)

スラング
To je dobrý fáro.

To je dobrý fáro. (Casual conversation)

The Shift Map

é ➔ í

Context

  • Pub Pub
  • Chat Chat

レベル別の例文

1

To je dobrý auto.

That is a good car.

1

Je to hezký počasí.

It is nice weather.

1

To je nový auto, co jsi koupil?

Is that the new car you bought?

1

To je fakt dobrý řešení problému.

That is actually a good solution to the problem.

間違えやすい

Vowel Shift: 'é' to 'í' in Common Czech Masculine vs Neuter

Learners think 'dobrý' is only masculine.

Vowel Shift: 'é' to 'í' in Common Czech Noun vs Adjective

Learners shift nouns like 'město'.

Vowel Shift: 'é' to 'í' in Common Czech Formal vs Informal

Using it in writing.

よくある間違い

To je dobrý pivo.

To je dobré pivo.

Wait, this is actually correct in speech! The mistake is using it in a formal letter.

Mám dobrý auto.

Mám dobré auto.

Again, correct in speech, wrong in formal writing.

To je dobrý.

To je dobré.

Formal context error.

Je to dobrý?

Je to dobré?

Formal context error.

To je dobrý.

To je dobré.

Formal context error.

To je dobrý.

To je dobré.

Formal context error.

To je dobrý.

To je dobré.

Formal context error.

To je dobrý.

To je dobré.

Formal context error.

To je dobrý.

To je dobré.

Formal context error.

To je dobrý.

To je dobré.

Formal context error.

To je dobrý.

To je dobré.

Formal context error.

To je dobrý.

To je dobré.

Formal context error.

To je dobrý.

To je dobré.

Formal context error.

文型パターン

To je ___ auto.

Je to ___?

To není ___.

Myslím, že je to ___.

Real World Usage

Pub constant

To je dobrý pivo.

Texting very common

To je hezký.

Social Media common

To je dobrý.

Job Interview occasional

To je dobré.

Travel common

To je hezký.

Food Delivery common

To je dobrý.

💡

Listen to locals

Listen to how they speak in pubs.
⚠️

Don't write it

Never use it in formal writing.
🎯

Practice with friends

Ask a Czech friend to correct you.
💬

Be natural

Don't overthink it.

Smart Tips

Use 'í' for neuter adjectives.

To je dobré auto. To je dobrý auto.

Stick to 'é'.

To je dobrý auto. To je dobré auto.

Use standard 'é'.

To je dobrý. To je dobré.

Use 'í'.

To je dobré. To je dobrý.

発音

ee

Vowel length

Ensure the 'í' is long, not short.

Casual

To je dobrý! ↗

Friendly and open.

暗記しよう

記憶術

Think of the 'é' as a formal suit and the 'í' as a comfortable t-shirt.

視覚的連想

Imagine a person wearing a tuxedo (é) changing into a t-shirt (í) as they walk into a pub.

Rhyme

When you're at the bar, don't be a bore, use 'í' instead of 'é' and speak like a pro.

Story

Petr is at a formal meeting. He says 'To je dobré.' Then he goes to a pub. He says 'To je dobrý!' His friends smile because he sounds like a local.

Word Web

dobrýhezkýnovývelkýmalýčervený

チャレンジ

Spend 5 minutes today saying 10 sentences using 'í' instead of 'é' while looking in the mirror.

文化メモ

The shift is very common in Prague.

Brno has its own dialect, but the shift is still understood.

Ostrava has a very distinct dialect, but this shift is universal.

This shift comes from the natural evolution of spoken Czech.

会話のきっかけ

Jaké je to auto?

Je to dobrý nápad?

Co říkáš na to nový auto?

Je to dobrý řešení?

日記のテーマ

Describe your favorite car using informal Czech.
Write a text to a friend about a new movie.
Discuss a casual plan for the weekend.
Reflect on why spoken Czech differs from written.

よくある間違い

Incorrect

正解


Incorrect

正解


Incorrect

正解


Incorrect

正解

Test Yourself

Fill in the blank.

To je ___ auto.

✓ Correct! ✗ Not quite. Correct answer: b
In speech, we use 'dobrý'.
Correct the sentence. Error Correction

Find and fix the mistake:

To je dobrý auto (in a formal letter).

✓ Correct! ✗ Not quite. Correct answer: a
Formal letters need standard Czech.
Choose the correct form. 選択問題

Je to ___?

✓ Correct! ✗ Not quite. Correct answer: a
In speech, 'hezký' is preferred.
Transform to informal. Sentence Transformation

To je dobré auto.

✓ Correct! ✗ Not quite. Correct answer: a
Shift 'é' to 'í'.
Is this true? True False Rule

We use the shift in formal writing.

✓ Correct! ✗ Not quite. Correct answer: b
Never in formal writing.
Complete the dialogue. Dialogue Completion

A: To je hezké auto. B: ___

✓ Correct! ✗ Not quite. Correct answer: a
Informal response.
Build the sentence. Sentence Building

To / dobrý / je / auto.

✓ Correct! ✗ Not quite. Correct answer: a
Correct word order.
Sort by register. Grammar Sorting

Which is informal?

✓ Correct! ✗ Not quite. Correct answer: b
The 'í' shift is informal.

Score: /8

練習問題

8 exercises
Fill in the blank.

To je ___ auto.

✓ Correct! ✗ Not quite. Correct answer: b
In speech, we use 'dobrý'.
Correct the sentence. Error Correction

Find and fix the mistake:

To je dobrý auto (in a formal letter).

✓ Correct! ✗ Not quite. Correct answer: a
Formal letters need standard Czech.
Choose the correct form. 選択問題

Je to ___?

✓ Correct! ✗ Not quite. Correct answer: a
In speech, 'hezký' is preferred.
Transform to informal. Sentence Transformation

To je dobré auto.

✓ Correct! ✗ Not quite. Correct answer: a
Shift 'é' to 'í'.
Is this true? True False Rule

We use the shift in formal writing.

✓ Correct! ✗ Not quite. Correct answer: b
Never in formal writing.
Complete the dialogue. Dialogue Completion

A: To je hezké auto. B: ___

✓ Correct! ✗ Not quite. Correct answer: a
Informal response.
Build the sentence. Sentence Building

To / dobrý / je / auto.

✓ Correct! ✗ Not quite. Correct answer: a
Correct word order.
Sort by register. Grammar Sorting

Which is informal?

✓ Correct! ✗ Not quite. Correct answer: b
The 'í' shift is informal.

Score: /8

よくある質問 (8)

No, it's a natural feature of spoken Czech.

Only if it's a casual email to a friend.

No, it's just a phonetic shift.

It makes speech more fluid.

Mostly, yes.

Yes, if you want to sound like a local.

Yes, in formal speech.

You'll just sound a bit informal.

Scaffolded Practice

1

1

2

2

3

3

4

4

Mastery Progress

Needs Practice

Improving

Strong

Mastered

In Other Languages

Spanish low

None

Register is handled differently.

French low

None

Phonology vs Syntax.

German low

None

Dialectal variation.

Japanese low

None

Register is grammatical.

Arabic low

None

Diglossia is systemic.

Chinese low

None

Tones vs Vowels.

Learning Path

Prerequisites

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