The America Accent Training-------The 50 rules you must know
The Vowel Sound Rules
Rule One : The Neutral and Tense Vowels
RULE : The tense vowels pronounced with mouth move and tongue
The neutral vowels pronounced without any cheek change
The Four Main Neutral Vowel ：/I/ /ε/ /ə/&/ʌ/ /v/
The Homologous Tense Vowel：/i/ /æ/ /a/ /u/
Rule Two : The Difference Between /i/ &/I/
The Vowel of /i/ ：Usually appeared with “ee” 、“ea”、“ie” and “ei”
The Vowel of /I/：Usually appeared with “i” 、 “y(in mid of word)”
Example：feet & fit ；leave & live ；sleep & slip
Rule Three : The Difference Between /a/ &/ə/
The Vowel of /a/ : Usually appeared with "o" "a" , and the /a/ is often longer than general vowel particular when it's a noun or verb. I.E: sto-p,impo-ssible
The Vowel of /ə/ : Usually appeared with " u" "ou" or "o"
Rule Four : The Difference Between /v/ & /u/
The Vowel of /v/ : Usually appeared with “oo” “ould” “u”
The Vowel of /u/ ： Usually appeared with “oo” “ue”
Rule Five ：The Tense Vowel of /æ/
The pronounce of /æ/ often resemble to Chinese letter group “ai” with tense tone
Usually appeared with letter “a”
The tone would be prolong when it's a noun or verb
Rule Six ：The Tense Vowel of /ɔ/
The pronounce of /ɔ/ often resemble to Chinese letter “o” with tense tone
Usually appeared with letter group :“al” “au” “aw”
Rule Seven ：The Vowel / Phonetic Symbol of /ou/
The pronounce of /ou/ is similar with chinese letter group /ou/ with tense tone
Usually appeared with letter or letter group :“o” “ow”“oa”
Rule Eight ： The Vowel / Phonetic Symbol of /ər/
The phoneme/ər/ is tense and /r/ and the tone would been prolong when followed with vowel letter
Usually appeared with letter group consisted with r and other letter ： “er” “ar” “ear” “ir” “or” “ur”
Rule Nine ： Understanding Stress Vowels
The stress vowels are louder and longer
Which syllable should been stressed ? key word of sentence and stress syllable like noun and verb I.E i love(st) it
Rule Ten : Understanding Reduced Vowels
The rules of reduced vowels : 1.reduce unimportant words like prep and conj
2.all reduced vowel usually sound same as /ə/
3. reduce the vowel of the unstressed syllable
I.E look at me————look ət me； talk to you————talk tə you ； looking for you————looking fə you