How To Pronounce “do”

do

function word
Strong form
Used in isolation, as a full verb, at the end of speech, or for emphasis or contrast.
UK
Phonemic
/duː/
Phonetic
[dʷuː]
e.g. Yes, I do.
/jes.aɪˈduː/
US
Phonemic
/duː/
e.g. Yes, I do.
/jes.aɪˈduː/
Weak form, before a consonant
Used in connected speech, before a consonant.
UK
Phonemic
/də/
Phonetic
[də]
e.g. What do you want?
/wɒt.də.juˈwɒnt/
US
Phonemic
/də/
e.g. What do you want?
/wʌt.də.juˈwɑːnt/
Weak form, before a vowel
Used in connected speech, before a vowel.
UK
Phonemic
/du/
Phonetic
[dʷu]
e.g. Where do I go?
/weə.du.aɪˈɡəʊ/
US
Phonemic
/du/
e.g. Where do I go?
/wer.du.aɪˈɡoʊ/
Noun (a party or event)
Used as a noun, with no weak form.
UK
Phonemic
/duː/
Phonetic
[dʷuː]
e.g. It was a big do.
/ɪt.wəz.ə.bɪɡˈduː/
US
Phonemic
/duː/
e.g. It was a big do.
/ɪt.wəz.ə.bɪɡˈduː/

“do” is a function word, so it has more than one pronunciation. In normal connected speech the weak form is usual. The strong form is used when the word is stressed, said on its own or at the end of a phrase.

Strong form. In British English it is /duː/, and in American English it is /duː/. It is used in isolation, as a full verb, at the end of speech, or for emphasis or contrast.

Weak form, before a consonant. In British English it is /də/, and in American English it is /də/. It is used in connected speech, before a consonant.

Weak form, before a vowel. In British English it is /du/, and in American English it is /du/. It is used in connected speech, before a vowel.

Noun (a party or event). In British English it is /duː/, and in American English it is /duː/. It is used as a noun, with no weak form.

Slashes / / show the phonemic transcription, the sounds that change meaning. Square brackets [ ] show the phonetic transcription, with the finer detail of how the sounds are actually made.

Syllables, Stress And Endings

a party or event + -s
-s (plural, possessive or singular verb) is /z/ after a voiced consonant or a vowel sound.
UK
/duːz/
US
/duːz/

Questions About Do

How do you pronounce do in British English?

Strong form, /duː/. Weak form, before a consonant, /də/. Weak form, before a vowel, /du/. Noun (a party or event), /duː/.

How do you pronounce do in American English?

Strong form, /duː/. Weak form, before a consonant, /də/. Weak form, before a vowel, /du/. Noun (a party or event), /duː/.

What is the weak form of do?

The weak form of do is /də/ in British English. It is the usual form in connected speech.

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