Contents Introducti

Vowel alternations Changes of irregular verbal forms:

1. [i:-e-e]

2. [i- ɔ - ɔ]

3. z[ai- ɔ u-i] 4. [i-æ-a:]
5. [iə- ɔ:- ɔ:] 6. [ai-i-i]
7. [i:- ɔ u- ɔ u] 8. [ou-u:-ou]
10. [e-ɔ - ɔ] 9. [i-ei-i]
11. [i:- ɔ:- ɔ:t ]

12. [i-e- ɔ:]
13. [ai-ou- i ] 14. [u:-ou-ou]
15. [ai-u:- ɔ u] 16. [aə- ɔ:- ɔ:]
rise-rose-risen

choose-chose-chosen

fly-flew-flown

fight-fought-fought

find-found-found

see-saw-seen

hear-heard-hear

Changes of verbal forms:

[i-e]

[ai-ei]

sit-set

rise

Changes of singular and plural forms of nouns:

[æ-e]

[u-i:]

[u:-i:]

[au-ai]

[u-i]

[ai-i]

man-men

foot-feet

tooth-teeth

mouse-mice

woman-women

child-children

2.3. The phenomenon of reduction, vowel harmony and elision in English and methodical recommendations on teaching them
Having analyzed English vowels and their modification we can say that reduction is most active process in vowel change.
In phonetics, vowel reduction is any of various changes in the acoustic quality of vowels, which are related to changes in stress, sonority, duration, loudness, articulation, or position in the word, and which are perceived as "weakening". It most often makes the vowels shorter as well. Such a vowel may be called reduced or weak. An unreduced vowel may be contrasted as full or strong.