How do native English speakers say "i don't know"?

Native speakers reduce "i don't know" to "i dunno" (aɪ ˈdʌnoʊ) in natural speech. I am not aware of something, or I lack information.

i don't know → i dunno | Reduction

Q: What is the connected speech form of "i don't know"?

"i don't know" becomes "i dunno" — a reduction pattern. This reduction involves the elision (dropping) of the /t/ sound in 'don't' and a vowel change, making it sound like 'dunno'. It's very common in informal speech.

i don't know → i dunno aɪ ˈdʌnoʊ Reduction

I am not aware of something, or I lack information.

This reduction involves the elision (dropping) of the /t/ sound in 'don't' and a vowel change, making it sound like 'dunno'. It's very common in informal speech.

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Step 2 · Reveal

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STANDARD FORM → REDUCED FORM

i don't know → i dunno

aɪ ˈdʌnoʊ

I am not aware of something, or I lack information.

This reduction involves the elision (dropping) of the /t/ sound in 'don't' and a vowel change, making it sound like 'dunno'. It's very common in informal speech.

Step 3 · Context

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Example 1

I dunno what time the movie starts.

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Example 2

Why did he do that? I dunno.

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Example 3

She asked me for directions, but I dunno this area well.

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Example 4

Are you coming tonight? I dunno, I'm kinda tired.

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Example 5

I dunno what happened, it just stopped working.

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Step 6 · Result

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i don't know → i dunno