Will and Be going to

1. Use and Differences

1.1. Will: It is an action that is decided in the moment and promises

1.1.1. will

1.2. Be going to: It is more related to plans and intentions.

1.2.1. be going to

2. Grammatical Structure

2.1. Will Affirmative: I will travel to Spain

2.1.1. will negative: i won't study for the exam

2.1.1.1. will question: will i have my phone?

2.2. be going to be Afirmative: I am going to shopping

2.2.1. be going to be negative:i am not going to sleep

2.2.1.1. be going to question: going to be father?