How to pronounce The ozone layer is healing due to global bans on certain chemicals. in American English

Words 12 Difficulty Intermediate Featured sound Glottal T

dhee the OH·zohn ozone LAY·er layer ihz is HEE·luhng healing DOO due tuh to GLOH·buhl global BANZ bans ahn on SUR·tuhn certain KEH·muh·kuhlz chemicals

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Americans pronounce "The ozone layer is healing due to global bans on certain chemicals" as "dhee OH-zohn LAY-er ihz HEE-luhng DOO tuh GLOH-buhl BANZ ahn SUR-tuhn KEH-muh-kuhlz" in casual speech. Several things bend the textbook pronunciation. The headline is the Glottal T — the T closes off into a tiny silent pause instead of a clean release. It lands on certain, a small move that separates 'classroom' from 'native'. Keep stressed words long, unstressed words short, and link the consonants forward into the vowels.

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Sounds

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Clarity

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Stress

78%

Intonation

65%

Fluency

62%

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72% Noticeable accent

Common mistakes

Releasing the T before the syllabic N.

In "certain", the "t" before the syllabic nasal becomes a glottal stop — a catch in the throat where the schwa drops and the nasal becomes syllabic. /t/ becomes a glottal stop [ʔ] — a catch in the throat. The schwa in the following syllable is dropped, making the nasal syllabic.

Pronouncing the vowel before M/N too pure.

In "bans", 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/.

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The breakdown

What's happening in this sentence.

Small tricks that turn a textbook sentence into how an American actually says it.

V–V

Vowel-to-Vowel Linking between "the" & "ozone"Between "the" and "ozone", a brief "y" glide bridges the two vowels for smooth flow.

→ə

Reduced Words (to, for, of) in "the""the" is a function word — in connected speech, the full vowel reduces to a quick "dhee" sound and consonants may simplify.

C–V

Consonant-to-Vowel Linking between "layer" & "is"The "er" at the end of "layer" flows directly into the vowel starting "is" — the consonant migrates to the next word with no pause between.

ə→◌

Silent Schwa Before L/M/N/R in "global"In "global", the short unstressed vowel before "l" disappears — the schwa is absorbed and the "l" becomes the syllable nucleus on its own.

t→ʔ

Glottal T in "certain"In "certain", the "t" before the syllabic nasal becomes a glottal stop — a catch in the throat where the schwa drops and the nasal becomes syllabic.

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the dhee ozone OH·zohn layer LAY·er is ihz healing HEE·luhng due DOO to tuh global GLOH·buhl bans BANZ on ahn certain SUR·tuhn chemicals KEH·muh·kuhlz

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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.

Releasing the T before the syllabic N.

SUR-tuhn→SUR·tuhn

Pronouncing the vowel before M/N too pure.

BANZ→BANZ

Treating every L the same.

The L in "global" 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.

GLOH-buhl→GLOH·buhl

Inserting a vowel before the syllabic consonant.

In "global", the short unstressed vowel before "l" disappears — the schwa is absorbed and the "l" becomes the syllable nucleus on its own. Schwa is absorbed — consonant becomes the syllable nucleus.

GLOH-buhl→GLOH·buhl

Questions

Questions people ask about this.

Why does the T in "certain" sound silent here?

It isn't fully silent — the T closes off into a tiny throat catch (a glottal stop), then the next sound continues. Americans replace clean-T with this glottal-stop T whenever /t/ sits at the end of a stressed syllable before an N or a similar consonant. The textbook T release sounds over-articulated in everyday speech.

Why is "the" said so quickly in this sentence?

Function words — articles, prepositions, auxiliaries, pronouns — reduce to short, unstressed schwa shapes in casual American speech. Pronouncing them fully like the dictionary entry is a dead giveaway of a textbook accent. Native speakers stress only the content words and let everything else collapse.

How are the words connected in casual American speech?

Americans don't pause between words. A consonant at the end of one word links forward into the vowel that starts the next; two vowels in a row get bridged by a tiny W or Y glide; an identical consonant repeated across a word boundary is held just once. The result is a continuous flow rather than a textbook word-by-word delivery.

Is this how the sentence is taught in textbooks?

Textbooks usually teach the citation form — every word pronounced fully, every consonant crisp, every vowel pure. Americans actually flap their Ts, drop function-word H's, link consonants forward into vowels, and reduce unstressed syllables to schwa. The respell on this page shows the casual form you'll hear in real conversations rather than the textbook version.

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Common mistakes

Releasing the T before the syllabic N.

Pronouncing the vowel before M/N too pure.

What's happening in this sentence.

Tap any word for its full breakdown.

Looking for a different word or sentence?

Common pronunciation mistakes in American English.

Releasing the T before the syllabic N.

Pronouncing the vowel before M/N too pure.

Treating every L the same.

Inserting a vowel before the syllabic consonant.

Questions people ask about this.

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