1. Week 4 – English Vowels Monophthongs Diphthongs Triphthongs One sound
Two sounds
Triphthongs
Three sounds

2. Week 4 – English Vowels Monophthongs One sound (short & long vowels)
Short vowels
/ɪ/ /ʌ/ /ɒ/ /ʊ/ /e/ /æ/ /ǝ/
Long vowels
/iː/ /ɑː/ /ɔː/ /uː/ /ɜː/

3. Week 4 – English Vowels Vowels’ characteristics Voiced or voiceless?
Tongue height (close, close-mid, open-mid, open)
Tongue advancement (front, central, back)
Lip rounding (rounded, unrounded) …

4. Week 4 – English Vowels Vowel quadrilateral FRONT CENTRAL BACK CLOSE
CLOSE-MID
OPEN-MID
OPEN

5. Week 4 – English Vowels Diphthongs Two sounds Centring diphthongs
Closing diphthongs
/eɪ/ /aɪ/ /ɔɪ/ /ǝʊ/ /aʊ/

6. Week 4 – English Vowels Triphthongs Three sounds /eɪ/ + /ǝ/ /aɪ/ + /ǝ/
/ɔɪ/ + /ǝ/
/ǝʊ/ + /ǝ/
/aʊ/ + / ǝ/