Answer:
Present form of verb 'be' is 'is' or 'am' or 'are' and present participle of the main verb means -ing form of verb indicating continuous action.
Explanation:
present form 
 
        
             
        
        
        
Answer:
3.Expensive but of no use
examples → The dam has become something of a white elephant.
 
        
                    
             
        
        
        
Answer:
you could say my heart has been tenderly hurt before but it didn't phase me as much.
 
        
             
        
        
        
Answer:
Recognizing them will enhance appreciation of the poets' skill.
Explanation:
There are various musical devices in poetry. They are rhyme, alliteration, consonance, assonance, onomatopoeia, and refrain. The ability to recognize the musical effects created by each of those devices will surely enhance appreciation of the poets' skill.