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Workbook 1 · Unit 0 Foundations · 0.2

What Are Monophthongs?

JL

Most importantly: When you think “Monophthong”, think “statue”. Your aims with the production of such sounds are from start to finish to be like a statue. Once that is mastered, only timing will matter.

– James Leyshon, Course Creator

An introduction to monophthongs

What Are Monophthongs? Monophthongs are pure vowel sounds—they have a single, steady tongue and mouth position throughout their duration. Unlike diphthongs, which glide from one vowel to another, monophthongs do not change quality as they are produced. In Received Pronunciation (RP), mastering monophthongs is essential for clear, elegant, and native-like speech. These vowels carry much of the “musicality” of RP and help distinguish it from other accents. We’re covering the following monophthongs:

The 7 tips of excellence

1. Hold the Vowel Steady Avoid letting the sound glide or shift. Keep tongue, jaw, and lips in one stable position throughout the vowel. 2. Length Matters Distinguish short vowels (e.g., /ɪ/, /ɛ/) from long vowels (e.g., /iː/, /uː/, /ɑː/). Long vowels should be sustained without tension. 3. Precision Over Exaggeration RP is clean and controlled. Aim for crisp articulation, not theatrical over-pronunciation. 4. Lip and Jaw Control Long back vowels (e.g., /ɔː/) require rounded lips. Low vowels (e.g., /æ/, /ɑː/) need a more open jaw. 5. Tongue Placement Is Key Practise in front of a mirror or use minimal pairs to feel subtle shifts in tongue height and position. 6. Eliminate Intrusive Glides Learners often unintentionally turn monophthongs into diphthongs. Keep the sound pure; you don’t want the north vowel to sound like “Noooaaarth!” 7. Use Slow, Focused Repetition Start slowly, exaggerating clarity. Then build up to natural, fluent speech. Tip 1: Record yourself reading minimal pairs (cot–caught) and compare your vowels to native RP models. Consistency is what makes your monophthongs sound truly native. Tip 2: Always remember, all monophthong sounds should ALWAYS sound the same from start to finish. If there is even the slightest discrepancy, it’s wrong.

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What Are Monophthongs?

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