dh/ð/
Place your tongue tip between or behind your front teeth, turn your vocal cords on, and push air through the gap.
How to pronounce they'll in American English
dhayl
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Americans pronounce they'll as dhayl (/ðeɪl/). The L in "they'll" is a dark L — the back of the tongue rises toward the soft palate, adding a small "uh" quality before the L. This is called the Dark L vs Light L, and it's one of the defining features of casual American English. It comes out as dhayl. You'll hear it in sentences like "They'll be arriving in about thirty minutes".
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Sound by sound
Every sound in "they'll".
1 syllable, 3 sounds. Explore each sound's mouth shape and how it's made.
ay/eɪ/
Start with your jaw slightly open and the front of your tongue forward and slightly up. Glide upward, your jaw closes a little more and your tongue arches higher toward the roof of the mouth.
l/l/
DarkKeep the tongue tip down and pull the back of the tongue up toward the throat. The 'dark' sound comes from the back.
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Watch out
Common pronunciation mistakes in American English.
The textbook way isn't wrong — it's just not how anyone actually says it.
01
Treating every L the same.
The L in "they'll" is a dark L — the back of the tongue rises toward the soft palate, adding a small "uh" quality before the L. Dark L adds a small schwa-like "uh" before the L. The back of the tongue lifts toward the soft palate.
they'll→dhayl
Questions
Questions people ask about this.
Is the American pronunciation of "they'll" different from British English?
American English uses different vowel shapes, a relaxed retroflex R, and connected-speech tricks like flap-T and glottal-stop T that British Received Pronunciation generally avoids. The respell "dhayl" reflects the casual American form; British dictionaries typically print a citation form with crisper consonants and different vowel choices.
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