Have you ever wondered why, despite learning so much vocabulary and grammar, you still don’t feel truly confident speaking English? Or why native speakers sometimes don’t understand you, even when you’re trying your best? The root cause often lies in your English pronunciation—and the International Phonetic Alphabet (IPA) is the “compass” you need to solve this problem.
Unlike Vietnamese, where you can often “read what you see,” English has a significant gap between spelling and pronunciation. Mastering the English IPA chart is not just a foundational skill; it is the key to transforming your communication, listening comprehension, and confidence in any situation.
1. What is the IPA chart?

The International Phonetic Alphabet (IPA) is a system of phonetic symbols developed by linguists worldwide to accurately represent every sound in spoken language. Simply put, the IPA is the “native language” of sounds, allowing you to know exactly how to pronounce a word even if you’ve never heard it before.
The English IPA chart consists of 44 basic sounds, divided into 20 vowel sounds and 24 consonant sounds. When you look up a word in a dictionary, you will always see the IPA transcription in slashes (/ /) or square brackets ([ ]) next to it.
Why is learning the English IPA chart so important?
- Read any word correctly, even if you’ve never heard it: With the IPA, you don’t have to guess or rely on repetitive listening. By looking at the transcription, you can accurately pronounce any word, including new ones.
Example: The word “read” is pronounced /riːd/ (long vowel) in the present tense, but /red/ (short vowel) in the past tense. The IPA helps you distinguish these clearly. Similarly, the word desert can be a noun /ˈdez.ət/ or a verb /dɪˈzɜːrt/, with completely different stress and vowel sounds.
- Significantly improve listening skills: When you know how a sound is produced and can pronounce it correctly, your brain will find it much easier to recognize that sound when listening to native speakers. This helps you understand faster and more accurately, avoiding the “muffled” sound effect.
- Break down communication barriers and boost confidence: Clear pronunciation ensures your message is conveyed accurately, preventing misunderstandings. When you no longer worry about mispronouncing words, you’ll feel much more confident in conversations, opening doors to natural and effective interactions.
- A solid foundation for all skills: Pronunciation is the root of speaking and listening. Mastering the IPA is a crucial stepping stone for developing all other English skills.
2. Structure of the English IPA chart: A system of 44 standard sounds
To master the English IPA chart, we will dive into each group of sounds, how to produce them, and common mistakes made by Vietnamese learners.
2.1. Vowels – 20 sounds

Vowels are sounds produced when the airflow from the lungs passes out without obstruction.
a. Monophthongs – 12 sounds
These are basic sounds produced with a fixed position of the tongue and lips.
- /ɪ/ (Short i):
How to pronounce: Similar to the Vietnamese “i” but shorter and sharper. The lips are slightly spread, and the tongue is lowered and relaxed.
Example: sit /sɪt/, pin /pɪn/, fish /fɪʃ/
Common mistake & fix: Often lengthened into /iː/. Make sure to keep it short and crisp.
- /iː/ (Long ee):
How to pronounce: A long “i” sound, produced deep in the mouth without blowing air out. The lips are spread wide as if smiling, and the tongue is raised.
Example: see /siː/, tree /triː/, sleep /sliːp/
Common mistake & fix: Often read as a standard Vietnamese “i” without length. Keep your mouth “tense” and hold the sound.
- /e/ (Short e):
How to pronounce: Similar to the Vietnamese “e” but shorter. The lips are spread wider than for /ɪ/, and the tongue is lower than for /ɪ/.
Example: pen /pen/, bed /bed/, friend /frend/
Common mistake & fix: Easily confused with /æ/ or /ɪ/. Keep the mouth opening moderate and the sound short.
- /æ/ (Flat a):
How to pronounce: A flat “a” sound, a mix between “a” and “e,” feeling as if the sound is compressed. The mouth is wide open, the lower lip is lowered, and the tongue is very low.
Example: cat /kæt/, man /mæn/, bad /bæd/
Common mistake & fix: Often read as a standard Vietnamese “a.” Open your mouth wide, flatten it, and lower your jaw further.
- /ʌ/ (Short u):
How to pronounce: A sound between the Vietnamese “ă” and “ơ,” closer to “ă.” It must be produced with a puff of air. The mouth is narrowed, and the tongue is slightly raised.
Example: cup /kʌp/, love /lʌv/, sun /sʌn/
Common mistake & fix: Often read as “a” or “ơ.” Use a strong, short, and crisp puff of air from the throat.
- /ɒ/ (Short o):
How to pronounce: Similar to the Vietnamese “o” but shorter. The lips are slightly rounded, and the tongue is low.
Example: hot /hɒt/, dog /dɒɡ/, box /bɒks/
Common mistake & fix: Often lengthened into “o.” Keep it short with moderate lip rounding.
- /uː/ (Long oo):
How to pronounce: Produced in the mouth without blowing air out, extending the short “u.” The lips are rounded, and the tongue is raised.
Example: moon /muːn/, food /fuːd/, school /skuːl/
Common mistake & fix: Often read as a standard Vietnamese “u” without length or rounding. Maintain rounded lips and hold the sound.
- /ʊ/ (Short oo):
How to pronounce: Quite similar to the Vietnamese “ư.” When pronouncing, don’t use the lips; push a very short puff of air from the throat. The lips are slightly rounded, and the tongue is low.
Example: book /bʊk/, look /lʊk/, good /ɡʊd/
Common mistake & fix: Often confused with /uː/. Keep it short and relax your lips and tongue.
- /ɑː/ (Long a):
How to pronounce: A long “a” sound, produced in the mouth. The lips are wide open, and the tongue is low.
Example: car /kɑːr/, start /stɑːrt/, father /ˈfɑːðər/
Common mistake & fix: Often read as a standard Vietnamese “a” without depth or length. Open your mouth comfortably, relax your tongue, and hold the sound.
- /ɔː/ (Long o):
How to pronounce: Like the Vietnamese “o” but with the tongue curled (if followed by R), produced deep in the mouth. Round your lips and curl the tongue to touch the roof of the mouth at the end.
Example: talk /tɔːk/, law /lɔː/, door /dɔːr/
Common mistake & fix: Often read as a standard “o.” Round your lips, feel the sound deep in your throat, and hold it.
- /ɜː/ (Long er):
How to pronounce: A long “ơ” sound. Pronounce “ơ” while curling the tongue (in American English), produced in the mouth. The lips are slightly spread, and the tongue curls up to touch the roof of the mouth at the end.
Example: bird /bɜːrd/, word /wɜːrd/, first /fɜːrst/
Common mistake & fix: Often read as a standard “ơ.” Remember to curl the tongue inward (r-colored vowel) and hold the sound.
- /ə/ (Schwa):
How to pronounce: The schwa (ə) is a short, unstressed sound, common in unstressed syllables. The lips and tongue are in a neutral position; no muscle tension is needed.
Example: about /əˈbaʊt/, banana /bəˈnænə/, doctor /ˈdɒktər/
Common mistake & fix: Often stressed or pronounced too clearly. Keep it extremely light, relaxed, and almost “swallowed.”
b. Diphthongs – 8 sounds
A combination of two monophthongs, where the first sound is stronger and glides smoothly into the second.
- /eɪ/ (ei):
How to pronounce: Glide smoothly from /e/ to /ɪ/. The lips gradually spread, and the tongue moves upward.
Example: face /feɪs/, day /deɪ/, make /meɪk/
Common mistake & fix: Often read as a Vietnamese “ây.” Feel the slight glide from “e” to “i.”
- /aɪ/ (ai):
How to pronounce: Glide from /ɑː/ to /ɪ/. The lips gradually spread, and the tongue raises and moves slightly forward.
Example: my /maɪ/, light /laɪt/, time /taɪm/
Common mistake & fix: Often read too stiffly. Glide gently without interruption.
- /ɔɪ/ (oi):
How to pronounce: Glide from /ɔː/ to /ɪ/. The lips gradually spread, and the tongue raises and moves forward.
Example: boy /bɔɪ/, choice /tʃɔɪs/, noise /nɔɪz/
Common mistake & fix: Read too stiffly or lacking the glide. Pay attention to the initial lip rounding and tongue movement.
- /əʊ/ (ou):
How to pronounce: Glide from /ə/ to /ʊ/. The lips move from slightly open to slightly rounded, and the tongue moves backward.
Example: go /ɡəʊ/, snow /snəʊ/, boat /bəʊt/
Common mistake & fix: Often read as a simple “ô.” Feel the movement of the lips from open to slightly rounded.
- /aʊ/ (au):
How to pronounce: Glide from /ɑː/ to /ʊ/. The lips gradually round, and the tongue moves slightly backward.
Example: cow /kaʊ/, house /haʊs/, mouth /maʊθ/
Common mistake & fix: Often read as a Vietnamese “ao.” Pay attention to the lip rounding at the end and the glide.
- /ɪə/ (ea):
How to pronounce: Glide from /ɪ/ to /ə/. The lips open gradually but not too wide, and the tongue moves forward.
Example: near /nɪər/, here /hɪər/, idea /aɪˈdɪə/
Common mistake & fix: Often read as a stiff “ia.” Glide gently and keep it relaxed.
- /eə/ (ea):
How to pronounce: Glide from /e/ to /ə/. The lips narrow slightly, and the tongue moves backward.
Example: hair /heər/, care /keər/, square /skweər/
Common mistake & fix: Often read as a simple “e” or lacking the glide.
- /ʊə/ (oo):
How to pronounce: Glide from /ʊ/ to /ə/. The lips are rounded and slightly spread outward; the tongue moves toward the roof of the mouth and then back to the center.
Example: tour /tʊər/, cure /kjʊər/, sure /ʃʊər/
Common mistake & fix: This sound is less common and often read as a stiff “ua.” Focus on a gentle glide.
2.2. Consonants – 24 sounds
Consonants are sounds produced when the airflow from the lungs is obstructed by parts of the mouth (lips, teeth, tongue, palate).
- /p/ (Voiceless Plosive):
How to pronounce: Close both lips to block the air, then release it sharply. No vibration of the vocal cords.
Example: pen /pen/, stop /stɒp/, apple /ˈæpəl/
Common mistake & fix: Often lacks the puff of air. Place your hand in front of your mouth; if you feel a strong puff, you’re doing it right.
- /b/ (Voiced Plosive):
How to pronounce: Same as /p/ but with vocal cord vibration. Close lips, release, and feel the vibration in your throat.
Example: back /bæk/, job /dʒɒb/, baby /ˈbeɪbi/
Common mistake & fix: Often read as /p/ if you don’t vibrate your vocal cords.
- /t/ (Voiceless Plosive):
How to pronounce: Place the tip of the tongue behind the upper front teeth, block the air, then release sharply. No vocal cord vibration.
Example: time /taɪm/, get /ɡet/, water /ˈwɔːtər/
Common mistake & fix: Often lacks the puff of air or it’s too weak.
- /d/ (Voiced Plosive):
How to pronounce: Same as /t/ but with vocal cord vibration. Tip of the tongue behind upper teeth, release, and feel the vibration.
Example: day /deɪ/, end /end/, ladder /ˈlædər/
Common mistake & fix: Easily confused with /t/ if you don’t vibrate your vocal cords.
- /k/ (Voiceless Plosive):
How to pronounce: Raise the back of the tongue to touch the soft palate, block the air, then lower the tongue and release sharply. No vocal cord vibration.
Example: cat /kæt/, back /bæk/, kick /kɪk/
Common mistake & fix: Lacks the puff of air.
- /g/ (Voiced Plosive):
How to pronounce: Same as /k/ but with vocal cord vibration. Raise back of the tongue, release, and feel the vibration.
Example: go /ɡəʊ/, dog /dɒɡ/, game /ɡeɪm/
Common mistake & fix: Easily confused with /k/.
- /tʃ/ (Voiceless Affricate):
How to pronounce: Lips slightly rounded and protruded. Tip of the tongue touches the hard palate, then release gently and push air out. No vocal cord vibration.
Example: chair /tʃeər/, watch /wɒtʃ/, match /mætʃ/
Common mistake & fix: Easily read as a Vietnamese “tr.” Remember to round your lips and don’t curl the tongue too deep.
- /dʒ/ (Voiced Affricate):
How to pronounce: Same as /tʃ/ but with vocal cord vibration. Lips rounded, tongue touches palate, release, and feel the vibration.
Example: judge /dʒʌdʒ/, age /eɪdʒ/, gym /dʒɪm/
Common mistake & fix: Easily confused with /tʃ/ or “gi.”
- /f/ (Voiceless Fricative):
How to pronounce: Upper teeth touch the lower lip gently, blow air out. No vocal cord vibration.
Example: fish /fɪʃ/, leaf /liːf/, coffee /ˈkɒfi/
Common mistake & fix: Often read as “p” if you don’t focus on the airflow.
- /v/ (Voiced Fricative):
How to pronounce: Same as /f/ but with vocal cord vibration. Upper teeth touch lower lip, blow air, and feel the vibration.
Example: van /væn/, love /lʌv/, move /muːv/
Common mistake & fix: Often read as “ph.”
- /θ/ (Voiceless Th):
How to pronounce: Place the tip of the tongue gently between the teeth, blow air out. No vocal cord vibration.
Example: think /θɪŋk/, three /θriː/, bath /bɑːθ/
Common mistake & fix: Often read as /t/ or /s/. Practice placing the tongue between the teeth and blowing air.
- /ð/ (Voiced Th):
How to pronounce: Same as /θ/ but with vocal cord vibration. Tongue between teeth, blow air, and feel the vibration.
Example: this /ðɪs/, that /ðæt/, mother /ˈmʌðər/
Common mistake & fix: Often read as /d/ or /z/. Focus on vocal cord vibration.
- /s/ (Voiceless S):
How to pronounce: Tip of the tongue near the upper gum, soft palate raised, air escapes between the tongue and gum. No vocal cord vibration.
Example: sun /sʌn/, bus /bʌs/, sister /ˈsɪstər/
Common mistake & fix: Easily confused with /ʃ/. Keep the tongue straight, don’t round the lips.
- /z/ (Voiced Z):
How to pronounce: Same as /s/ but with vocal cord vibration. Tongue near upper gum, air escapes, feel the vibration.
Example: zoo /zuː/, lazy /ˈleɪzi/, buzz /bʌz/
Common mistake & fix: Easily confused with /s/.
- /ʃ/ (Voiceless Sh):
How to pronounce: Lips rounded and protruded. Tongue touches the upper gum, push air out. No vocal cord vibration.
Example: ship /ʃɪp/, wish /wɪʃ/, sure /ʃʊər/
Common mistake & fix: Often read as /s/. Remember to round your lips and focus the airflow.
- /ʒ
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