Check yourself. 1. According to the stability of articulation there are three groups of vowels

Questions and tasks:

1. According to the stability of articulation there are three
groups of vowels. Do you think it is enough to distinguish
only two groups: monophthongs and diphthongs?

2. Phoneticians speak of front vowels and back vowels. What
characteristic do all the front vowels have in common that is
different from the back vowels?

3. What is the difference between front and front-retracted vowels?

4. What is the difference between back and back-advanced
vowels?

5. What makes central and front vowels different?

6. What characteristic makes close vowels unlike mid and open ones?

7. What would you tell your fellow-student to prove the necessity of distinguishing narrow and broad variants of close,
mid and open vowels?

8. What is the difference between free and checked vowels?

9. How do different phonetic contexts modify vowel length in
English?

10. Can the location of word stress and intonation influence
vowel length?

11. Are there any historically long and short vowels in English?

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