FUTURE TENSE - Simple and Continuous forms

To refer to the future in English we use:

• Future Simple: 'will' + the bare infinitive (without 'to'), for example "I will go."
  
  
• Future Continuous: 'will' + 'be' + the -ing form of the verb, for example: "I will be going."

• The future simple is used :
   - for predictions : what you think will happen or what is certain to happen.
  
  • You are going on a long flight. You can say :
    "I will be tired after my long journey."
    
  • You have found a new job. You can say:
    "I'll be nervous the first day!"
  • To say what you think is likely to happen.
    "I think it will rain later, so you'd better take an umbrella."
    "If the heating goes off we will be cold."
    "We will be hungry if we get no food!."
    
    
   - for spontaneous decisions or offers (a decision made at the time of speaking).
  
  • While you're having dinner with your family the phone rings : You can say :
    "I'll answer it!"
  • You want to help someone who has a lot to carry. You can say:
    "I'll carry one of your bags for you."
  • You offer to help someone who doesn't look well. You can say:
    "You look pale. I'll get you a glass of water."
    
    
   - for promises and threats
  
  • "I will call you as soon as I arrive."
  • "I will do my homework every day. I promise!"
  • "Stop all that noise or I'll call the police!"
  • "If you do that again you will be punished!"
    
    
• The future continuous is used to refer to a continuous action at a future time.
  
  • You are going on a long flight. You can say :
    - "In two hours' time I will be having lunch on the plane."
    - "I will be flying over London."
    - "I will be watching a film."