In casual American English, "She is training for a marathon and runs twenty miles a week" sounds like "shee ihz TRAY-nuhng fer uh MEH-ruh-thahn and RUHNZ TWEHN-tee MAHYLZ uh WEEK". Several things happen here, and the headline one is the Silent T after N: the T after N drops out entirely. Keep stressed words long, unstressed words short, and link the consonants forward into the vowels.
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What makes this sentence sound American.
In "twenty", the "t" right after N is dropped — the tongue skips the T stop and moves directly from the N position to the next sound. This is called the Silent T after N, a small move that separates 'classroom' from 'native'. It comes out as TWEHN-tee.
What's happening in this sentence.
Small tricks that turn a textbook sentence into how an American actually says it.
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Each word has its own page with examples, common mistakes, and related words.
Common pronunciation mistakes in American English.
The textbook way isn't wrong — it's just not how anyone actually says it.
Pronouncing the silent T after N.
In "twenty", the "t" right after N is dropped — the tongue skips the T stop and moves directly from the N position to the next sound. /t/ is completely silent — the tongue skips the T stop and moves directly from the N position to the next sound.
Saying a clean "tr" instead of a "ch" sound.
In "training", the "tr" cluster blends into a "chr" sound — a natural American English pronunciation. /t/ shifts toward /tʃ/ ("ch"), so TR sounds like "chr".
Pronouncing the vowel before M/N too pure.
In "and", the "a" vowel before M or N raises and fronts toward [eə] — the tongue pulls up and forward, breaking the vowel into a tense glide as it anticipates the nasal. The "/æ/" vowel raises and fronts before M or N — tongue pulls up and forward, producing a tense [eə] glide (between /e/ and /ə/). Not a pure /æ/.
Treating every L the same.
The L in "miles" 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.