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Ozo and Ru
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How are vowels classified based on tongue position?
Front, central, and back vowels.
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What is triphthong?
A combination of a diphthong and schwa.
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What is the difference between monophthongs and diphthongs?
Monophthongs have a stable tongue position, while diphthongs involve a tongue glide.
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How are vowels classified based on lip rounding?
Rounded and unrounded vowels
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Where do unchecked vowels occur?
In open syllables and before voiced consonants.
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What are the historically long vowels in English?
[iː], [ɑː], [uː], [ɔː], [ɜː].
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Which vowels are rounded in English?
[ɒ], [ɔː], [ʊ], [uː].
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What is the difference between tense and lax vowels?
Tense vowels require more muscle effort and are historically long, while lax vowels are historically sho
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How are vowels classified based on articulation force?
Free vowels and checked vowels.
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What is the classification of vowels based on checkness?
Checked vowels: Occur in closed syllables (e.g., "put") Unchecked vowels: Occur in open syllables (e.g., "sea")
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What are the two movements of the tongue in vowel articulation?
horizontal and vertical
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What are the two elements of a diphthong?
a nucleus and glide
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How many diphthongs are there in English?
8 diphthongs in English: [eɪ], [aɪ], [ɔɪ], [aʊ], [əʊ], [ɪə], [eə], and [ʊə].
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Give an example of a triphthong?
Power, Liar
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