Ўзбекистон республикаси олий ва ўрта махсус таълим вазирлиги самарқанд давлат чет тиллар институти инглиз тили ва адабиёти кафедраси

Questions

2. 
   What are the main differences between vowels and consonants?
   
3. 
   What are the 7 principles of classification of vowels?
   
4. 
   What are the two basic approaches to the Phonological status of vowels?
   
5. 
   What classes of vowels are distinguished by the horizontal movement of the tongue?
   
6. 
   What classes of vowels are distinguished by the vertical movement of the tongue?
   
7. 
   What vowels are rounded and unrounded?
   
8. 
   What vowels are tense and lax?
   
9. 
   What is the difference between checked and free vowels?
   
10. 
    According to what principles we classify vowels into monophthongs and diphthongs?
    
11. 
    According to what principles we distinguish vowels as compact and diffuse?
    
12. 
    How do you explain reduction?