I taught English language in Japan. English was my favorite course study and is indeed one of the most difficult languages to learn. They'd would be pronounced sounding like "theid". Depending on the sentence structure it could mean "they did" or "they would". Not sure I'm answering your question or merely contemplating it.

Answer from Jennifer Kolhagen on Stack Exchange
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Tarle Speech
tarlespeech.com › home › how to pronounce they and day
How to pronounce THEY and DAY - Tarle Speech
January 26, 2017 - Learn how to say THEY and DAY in this American English Pronunciation Lesson. This video targets a confusing word pair: DAY and THEY. Say them correctly to get your meaning across. DAY: D-long A THEY: TH-long A
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YouTube
youtube.com › watch
Learn to Pronounce THEY and DAY - American English Pronunciation Lesson #learnenglish - YouTube
Learn how to pronounce THEY and DAY in this American English Pronunciation Lesson. This video targets a confusing word pair: DAY and THEY. Say them correctl...
Published   April 4, 2012
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YouTube
youtube.com › speechmodification
How to Pronounce Day and They, Dough and Though - YouTube
SMART American Accent Training with SpeechModification.com.Start your free trial of our courses: https://courses.speechmodification.com/Join this channel to ...
Published   January 5, 2024
Views   792
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Accentreductionaustin
accentreductionaustin.com › home › “day” or “they”: a tutorial on how to pronounce the “th” sound
“Day” or “They”: A Tutorial on How to Pronounce the “th” Sound - Voices of the World Speech Training
February 15, 2017 - Native speakers of Spanish and Indian languages often substitute a “d” or “t” sound for “th” sounds in English, making “they” sound like “day” and “thigh” sound like “tie.” Native speakers of Mandarin may substitute ...
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YouTube
youtube.com › watch
How to pronounce they'd in English #contractions #pronunciation #English - YouTube
This video focuses on how to pronounce the contraction they'd in English. We look at pronunciation script from the Cambridge dictionary and practise with som...
Published   February 7, 2023
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Rongchang
rong-chang.com › pronunciation › consonants › they_day.htm
Pronunciation Minimal Pair Exercises: They and Day
Part 1: Recognition: Number 1 to 6. I'll say 3 words; which is different (1,2, or 3)? Example: they -- day -- they 1. dare dare there 2. doze those those 3. breathes breathes breeds 4. father fodder father 5. wordiness worthiness wordiness 6.
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YouTube
youtube.com › inglés paso a paso con lucie
PRONUNCIATION: DAY - THEY - YouTube
Estudia todas las lecciones en orden: https://www.youtube.com/playlist?list=PL93iwVYt7GG7OMmJZclmGo0ekKOzTi5o-✏️📚✏️📚✏️📚Si deseas ser el primero en recibir...
Published   January 30, 2013
Views   13K
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HowtoPronounce
howtopronounce.com
How To Pronounce: Online Multilingual Pronunciation Dictionary
HowToPronounce.com is a free online audio pronunciation dictionary which helps anyone to learn the way a word or name is pronounced around the world by listening to its audio pronunciations by native speakers. Learn how to correctly say a word, name, place, drug, medical and scientific terminology or any other difficult word in English, French, German, Portuguese, Spanish, Italian, Swedish and other languages with our multilingual pronunciation and phonetics dictionary made out of audio pronunciations of words, their meanings, synonyms, sentences, translations and more contributed by the worldwide HowToPronounce.com Community.
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Cambridge Dictionary
dictionary.cambridge.org › us › pronunciation › english › they-d
How to pronounce THEY’D in English
How to pronounce THEY’D. How to say THEY’D. Listen to the audio pronunciation in the Cambridge English Dictionary. Learn more.
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Cambridge Dictionary
dictionary.cambridge.org › pronunciation › english › day
DAY | Pronunciation in English
How to pronounce day · Your browser doesn't support HTML5 audio · UK/deɪ/ Your browser doesn't support HTML5 audio · US/deɪ/ More about phonetic symbols · Sound-by-sound pronunciation · Your browser doesn't support HTML5 audio · UK/deɪ/ day · Your browser doesn't support HTML5 audio ·
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Encyclopedia Britannica
britannica.com › dictionary › eb › qa › Two-Pronunciations-of-The
Two Pronunciations of 'The' | Britannica Dictionary
There are two ways to pronounce "the." One pronunciation sounds like /ðə/ ("thuh," rhymes with "duh") and the other sounds like /ði/ ("thee," rhyme
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Americanpronunciationcoach
americanpronunciationcoach.com › home › american english pronunciation
The Difference Between /d/ in Day + /ð/ in They? - American Pronunciation Coach
October 31, 2017 - These two sounds, D and TH, differ in location—where they’re made, and in manner—how they’re made. /d/ is created by pressing the blade (front top part) of the tongue up firmly against the roof of your mouth, behind your upper teeth where the alveolar bumps are.
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Wiktionary
en.wiktionary.org › wiki › day
day - Wiktionary, the free dictionary
Towards Saluzzo they make their journey, / From day to day they ride on their way […] Daytime; day as opposed to night. a. 1382, John Wycliffe, “Genesis 1:5”, in Wycliffe's Bible: and he clepide the liȝt, dai, and the derkneſſis, nyȝt.