Kinds of sentences

1)Assertive: A sentence that makes a statement or assertion is called a Declarative or Assertive sentence.
2)Interrogative: A sentence that asks a question is called an Interrogative sentence.
3)Imperative: A sentence that express a command or an entreaty is called an imperative sentence.
4)Optative: A sentence that express wish or prayer is called an Optative sentence.
5)Exclamatory; A sentence express strong feeling or emotion is called an exclamatory sentence. 

Kinds of Sentences                   Example                        Function
  Assertive                          Subhas is a good boy              Statement
Interrogative                      Does he play football?             Question
Imperative                          Go home at once                     Command
Optative                             May he live long                      Wish
Exclamatory                       Won the match!                       Emotion

Again this sentences are devided by two kinds of -

1. Affirmative
2. Negative 

Kinds of Sentences      Affirmative           Negative        
 Assertive             Subhas is a good boy   Subhas is not a good boy  
Interrogative       Does he play football? Does not he play football?  Imperative              Go home at once        Do not go home at once 
 Optative                 May he live long         May he not live long   Exclamatory           Won the match!     We have not won the  match 

Assertive=(.)=Imperative=Optative
Interrogative=(?)
Exclamatory=(!)