IELTS Pronunciation for Vietnamese Speakers: Key Fixes

Pronunciation is often the IELTS Speaking criterion Vietnamese candidates find hardest to move. That isn't because of accent. IELTS doesn't mark accent; it marks how easily you're understood and how well you use pronunciation features. The public Band Descriptors describe a Band 8 speaker as "easy to understand throughout", with their first-language accent having "minimal effect on intelligibility".

The challenge is that Vietnamese and English organise syllables very differently. This guide focuses on the few features that make the biggest difference to clarity, and how to practise them.

Not every Vietnamese speaker has all of these, and Northern, Central and Southern accents differ. Use this as a checklist, not a description of everyone.

Why the differences happen

Vietnamese is a tonal language. Words are mostly one syllable, and only a small set of consonants can end a syllable. English is not tonal, has many multi-syllable words with stress, and allows many final consonants and consonant clusters (months, asked, texts). Most of the features below follow from those three differences.

Features worth working on (most impact first)

1. Final consonants

This is usually the biggest one. Final sounds that don't exist at the end of Vietnamese syllables are often dropped or softened:

• nice → "nai" · five → "fai" · rice → "rai" · fill → "fiu" · much → "muh"

Dropping final consonants makes words harder to recognise, and listeners lose information.

Drill: say the word slowly and over-pronounce the final sound: "ni-SSS", "fi-VVV". Then say it at normal speed with the final sound still audible. Use minimal pairs: rice / rise / right, five / fight / fine.

2. Grammar endings: -s and -ed

Because final consonants are hard, grammar endings often disappear: she work, two book, yesterday I walk. The examiner may hear these as grammar errors, which can affect your Grammatical Range and Accuracy score as well as Pronunciation.

• Plural/3rd person: books /s/, dogs /z/, watches /ɪz/
• Past: walked /t/, played /d/, wanted /ɪd/

Drill: take one Part 2 answer about the past and exaggerate every -ed ending. Then do one about habits ("my sister usually…") and exaggerate every -s.

3. Linking words together

Speaking one word at a time ("I. Live. In. Ha. Noi.") sounds choppy, and it hides which words are important. English links a final consonant to a following vowel:

• live in → "li-vin" · an apple → "a-napple" · turn it off → "tur-ni-toff"

Drill: mark links in a sentence with a curve, then read it smoothly as one phrase.

4. Word stress in longer words

Vietnamese syllables carry roughly equal weight, so English multi-syllable words often come out evenly stressed. Stress shows the listener which word you said:

• eduCAtion · techNOlogy · enVIronment · imPORtant · eCOnomy

Drill: clap the stressed syllable, say the word, then put it in a sentence about a Part 3 topic. See Part 3 questions and answers.

5. Intonation instead of tones

Tonal habits can make English intonation sound up and down on individual words rather than across the sentence. In English, pitch mostly signals meaning across a phrase: the key word, a question, or the end of a point.

Drill: say a sentence and let your voice rise on the key word, then fall at the end of the statement: "I'd LOVE to visit Japan." Keep the other syllables steady.

6. A few specific sounds

• /θ/ and /ð/ (think, this): often t/d or s. Put your tongue lightly between your teeth.
• /ʃ/ vs /s/ (she / see, ship / sip): some speakers merge them. Round your lips for /ʃ/.
• Initial /p/ can sound like b (pay → bay). Add a small puff of air on /p/.
• Long vs short vowels: ship / sheep, full / fool.

A 15-minute daily routine

1. 3 minutes: final consonants with minimal pairs (rice/rise/right).
2. 3 minutes: -s and -ed endings in short sentences.
3. 5 minutes: one Part 2 cue card out loud, focusing on linking and final sounds.
4. 4 minutes: listen back. Which endings disappeared? Repeat just those sentences.

FAQ

Does a Vietnamese accent lower my IELTS score? No. IELTS assesses how easy you are to understand and how you use pronunciation features, not accent.

What should Vietnamese speakers practise first? Usually final consonants and grammar endings (-s, -ed). They affect clarity and how your grammar is heard.

Why does my grammar score suffer when I know the grammar? If endings like -s and -ed aren't pronounced, the examiner may hear "she work" or "I walk yesterday". Practising endings out loud fixes both.

Practise with a live tutor

Sprechify is a live voice AI tutor built only for IELTS Speaking. It corrects pronunciation during real Part 1–3 conversations, one fix at a time, with a pronunciation week focused on sounds, stress and intonation for clarity. See the 30-day course. Also see IELTS Speaking practice in Vietnam.

Further reading: Learner English (Swan & Smith, Cambridge University Press) describes pronunciation features of speakers of many first languages.

Related reading: Does accent affect your IELTS Speaking score? · IELTS Speaking grammar · Common IELTS Speaking mistakes