The organs of speech

Answer the following questions:

1. 
   What is reduction?
   
2. 
   What degrees of reduction do you know?
   
3. 
   When are the form words used in their strong (weak) form?
   
4. 
   Which words can be used either in their strong or weak form?
   

INTONATION OF DIFFERENT KINDS OF THE SIMPLE SENTENCES

According to the purpose of the utterance we usually distinguish four kinds of sentences:

1. 
   The declarative sentences state a fact in the affirmative or negative form. In a declarative sentence the subject precedes the predicate. It is generally pronounced with the falling tone, e.g. Charles Dickens was born at Landport, Portsmouth.
   
2. 
   The interrogative sentence asks a question. It is formed by means of inversion, by placing the predicate (or part of it) before the subject. There are four kinds of questions:
   

1.