Today we're going to see :

 FUTURE  TENSE WITH WILL:

Use of will Future

• a spontaneous decision
  example: Wait, I will help you.
• an opinion, hope, uncertainty or assumption regarding the future
  example: He will probably come back tomorrow.
• a promise
  example: I will not watch TV tonight.
• an action in the future that cannot be influenced
  example: It will rain tomorrow.
• conditional clauses type I
  example: If I arrive late, I will call you.

Signal Words

• in a year, next …, tomorrow
• Vermutung: I think, probably, perhaps

You can practice your knowledges about  future tense in the next link :

http://www.ego4u.com/en/cram-up/grammar/future-1-will