This document compares and contrasts the uses of "be going to" and "will" when talking about the future in English. It states that "be going to" is used to talk about plans and things that are about to happen based on evidence, while "will" is used for decisions made at the time of speaking, predictions without evidence, and promises.

1. Future Tense
Be Going to vs to be

2. BE GOING TO
 Form used to talk about PLANS for the
future.
 Next month we are going to travel to Jamaica

3. BE GOING TO
 It is used to talk about things that are about
to happen.
The boy is going to fall into the swimming pool

4. BE GOING TO
 It is used to talk about PREDICTIONS with
evidence.
It is going to rain

5. WILL
It is used for decisions made at the time of
speaking.
I will answer the phone!

6. WILL
 It is used for PREDICTIONS without
evidence.
You will be rich!

7. WILL
 It is used for PROMISES
I promise I will clean it