Лексикология английского языка

Answer these questions.

1. 
   What do we mean when we say that an idiom has a “double” meaning?
   
2. 
   Why is it very important to use idioms with care?
   
3. 
   What other terms are used to describe “phraseological unit”?
   
4. 
   How can you show that the “freedom” of free word-groups is relative and arbitrary?
   
5. 
   What are the two major criteria for distinguishing between phraseological units and free word-groups?
   
6. 
   How would you explain the term “grammatical invariability” of phraseological units?
   
7. 
   How do proverbs differ from phraseological units?
   
8. 
   Can proverbs be regarded as a subdivision of phraseological units? Give reasons for your answer.
   
9. 
   What is the basis of the traditional and oldest principle for classifying phraseological units?
   
10. 
    What other criteria can be used for the classification of phraseological units?
    
11. 
    Do you share the opinion that in idioms the original associations are partly or wholly lost?
    
12. 
    What are the merits and disadvantages of the thematic principle of classification for phraseological units?
    
13. 
    Explain the semantic principle of classification for phraseological units.
    
14. 
    What is the basis of the structural principle of classification for phraseological units?
    
15. 
    Analyse Professor A.I. Smirnitsky’s classification system. What is it based on? Do you see any controversial points in the classification system?
    
16. 
    Discuss the merits of Professor A.V. Koonin’s system for the classification of phraseological units. What is it based on? Do you find any points in the classification system which are open to question?