I. Đuôi -ed được phát âm là /id/ khi nó đứng sau các phụ âm /t/, /d/.
Ví dụ: needed, reminded, demanded, wanted, visited, ...
Ngoại lệ: một số từ không kết thúc bằng âm /t/, /d/, nhưng khi thêm đuôi -ed và giữ chức năng như tính từ thì -ed cũng được phát âm là /id/.
Ví dụ: dogged, ragged, sacred, blessed, ...
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devoted
suggested
provided
wished
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admitted
insisted
offered
demanded
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repeated
asked
added
counted
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embroidered
handcrafted
satisfied
annoyed
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invited
attended
celebrated
displayed
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objected
explained
whispered
maintained
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imprisoned
pointed
shouted
surrounded
II.
1. Đuôi -ed được phát âm là /t/ (âm không rung) khi nó đứng sau các âm không rung.
Ví dụ: stopped, liked, laughed, brushed, ...
2. Đuôi -ed được phát âm là /d/ (âm rung) khi nó đứng sau các âm rung.
Ví dụ: lived, climbed, answered, questioned, ...
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advised
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catched
crashed
occupied
coughed
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measured
pleased
distinguished
managed
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failed
reached
absorbed
solved
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believed
prepared
involved
liked
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laughed
apologized
confessed
brushed
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embarrassed
self-disciplined
developed
touched
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passed
sentenced
created
coughed
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confused
faced
cried
defined