Future Will & Future Going To

Will future expresses a spontaneous decision, an assumption with regard to the future or an action in the future that cannot be influenced.

Form of will Future

	positive	negative	question
no differences	I will speak.	I will not speak.	Will I speak?

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.

Going to future expresses a conclusion regarding the immediate future or an action in the near future that has already been planned or prepared.

Form of going to Future

	positive	negative	question
I	I am going to speak.	I am not going to speak.	Am I going to speak?
you / we / they	You are going to speak.	You are not going to speak.	Are you going to speak?
he / she / it	He is going to speak.	He is not going to speak.	Is he going to speak?

Use of going to Future

• an action in the near future that has already been planned or prepared
  example: I am going to study harder next year.
• a conclusion regarding the immediate future
  example: The sky is absolutely dark. It is going to rain.