Future Continuous forms
Future Continuous Tense is built with will be in all persons and present participle (the verb with the ending -ing). 
 
  
    |   | 
    Affirmative | 
    contractions | 
  
  
    | I | 
    I  will be writing a letter.   | 
    I'll be writing a letter.       | 
  
  
    | you | 
    You will be writing a letter.  | 
    You'll be writing a letter. | 
  
  
    | he | 
    He will be writing a letter.   | 
    He'll be writing a letter.  | 
  
  
    | she | 
    She will be writing a letter.  | 
    She'll be writing a letter. | 
  
  
    | it  | 
    It will be writing a letter.  | 
    It'll be writing a letter.  | 
  
  
    | we | 
    We will be writing a letter.  | 
    We'll be writing a letter. | 
  
  
    | you | 
    You will be writing a letter.  | 
    You'll be writing a letter.  | 
  
  
    | they | 
    They will be writing a letter  | 
    They'll be writing a letter. | 
  
  
    |   | 
    Negative | 
    contractions | 
  
  
    | I | 
    I will not be writing a letter.   | 
    I won't be writing a letter.     | 
  
  
    | you | 
    You will not be writing  a letter.  | 
    You won't be writing a letter. | 
  
  
    | he | 
    He will not be writing  a letter.   | 
    He won't be writing a letter.  | 
  
  
    | she | 
    She will not be writing  a letter.  | 
    She won't be writing a letter. | 
  
  
    | it  | 
    It will not be writing  a letter.  | 
    It won't be writing a letter. | 
  
  
    | we | 
    We will not be writing  a letter.  | 
    We won't be writing a letter. | 
  
  
    | you | 
    You will not be writing  a letter.  | 
    You won't be writing a letter.  | 
  
  
    | they | 
    They will not be writing  a letter.  | 
    They won't be writing a letter. | 
  
  
    |   | 
    Questions | 
      | 
  
  
    | I | 
    Will I be writing a letter?   | 
      | 
  
  
    | you | 
    Will you be writing a letter? | 
      | 
  
  
    | he | 
    Will he be writing a letter? | 
      | 
  
  
    | she | 
    Will she be writing a letter? | 
      | 
  
  
    | it  | 
    Will it be writing a letter? | 
      | 
  
  
    | we | 
    Will we be writing a letter? | 
      | 
  
  
    | you | 
    Will you be writing a letter? | 
      | 
  
  
    | they | 
    Will they be writing a letter?  | 
      |