Offering
Corrective Feedback for ending /s/, /z/, and /sh/ sounds
“After listening to your
reading practice, I noticed some words that were missing sounds like, “because”
and “sometimes”. The reason why these sounds are not heard is because we are
not aware that we don’t pronounce the sound or produces the sound. Try saying
the word the again.”
“To help you
pronounce ending /s/ sounds, we will learn how voiced consonants and voiceless
consonants are pronounced.”
A voiced consonant (or sound) means that it uses the
vocal cords and they produce a vibration or humming sound in the throat when
they are said. Put your finger on your throat and then pronounce the letter L.
You will notice a slight vibration in your neck / throat. That is because it is
a voiced sound.
A voiceless
sound (sometimes called unvoiced sound) is when there is no vibration in your
throat and the sound comes from the mouth area. Pronounce the letter P. You
will notice how it comes from your mouth (in fact near your lips at the front
of your mouth). The P sound doesn't come from your throat.
Try this with the other letters and you will
"feel" the difference between a voiced and a voiceless consonant (or
sound).
Another sound which is relevant to this is the sibilant
sound which is produced by forcing air out toward your teeth.
It is characterized by a hissing sound (sssss), a buzzing sound (zzzzz) or the
sound teachers make when they want you to be quiet (shhhh!).
·
Z like the sound a bee makes... zzzzzz
·
S like the sound a snake makes... sssssss
·
SH like the sound a
teacher makes when they want you to be quiet... shhhhh
Now we know the difference between voiced, voiceless
and sibilant sounds we can look at the following rules for the correct
pronunciation of S at the end of words in English:
The pronunciation of the final S in plural words and
verbs in the third person depend on the final consonant sound before that S.
The ending is pronounced /s/ after a voiceless sound,
it is pronounced /z/ after a voiced sound and is pronounced /ɪz / or /əz/
after a sibilant sound:
·
Voiceless: helps /ps/ -- sits /ts/ -- looks /ks/
·
Voiced: crabs /bz/ -- words /dz/ -- gloves /vz/,
·
Sibilant: buses /sɪz / or /səz /, bridges /dʒɪz /
or /dʒəz /, wishes /shɪz / or /shəz /
“Now that we are
aware of these sounds, we have to be conscious every time we speak and
communicate to make sure we pronounce the sounds clear enough. Does it all
make sense?" Student must say "Yes".
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