https://lingbase.com/en/english/grammar/unstressed-vowels http://seas3.elte.hu/phono/notes/141-unstressed.html#:~:text=These%20are%20three%20short%20vowels,syllables%20are%20called%20reduced%20vowels. https://en.wikipedia.org/wiki/Stress_and_vowel_reduction_in_English
| ex. | ||
|---|---|---|
<a> | /ə/ | ago, about, abroad, awake, alive, aware, abolish |
<e> | /ə/ | happen, problem, open, listen |
/ɪ/ | report, result, remove, | |
<o> | /ə/ | person, today, second, reason, position, occur, control, police, lesson |
<u> | ||