DIPHTHONGS AND TRIPHTHONGS
Diphthongs are commomly sounds that implies two movements
with the tongue when are pronounced. The sound starts in one part and finishes
in another part into the vocal tract. The first sound is loud and noticeable,
and the second sound decreases. There are 8 diphthongs, classified into two
groups:
·
Centring diphthongs:
That glide to the shwa vowel sound, which occurs as the finish position with
grunting sounds.
·
Closing diphthongs: That have
the frontal vowel /I/, or the back vowel
/U/ in the finish position.
Triphthongs are the most complex English
sounds, because they implies the production of three tongue movements without
interruption that could be difficult to recognize from the diphthong
sounds. Triphthongs are composed for
five closing diphthongs with a shwa added in the end, in this way:
·
eɪ + ə = eɪə . as in
layer, player
·
aɪ + ə = aɪə. as in
lire, fire
·
ɔɪ + ə = ɔɪə, as in
loyal, royal
·
əʊ + ə = əuə, as in
lower, mower
·
aʊ + ə = auə, as in
power, hour.
Here you can find some web sites and videos to get more information.
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