Will is used to make promises, predictions without evidence, or decisions made at the time of speaking. It is also used to state facts about the future. Going to is used to talk about future events that have already been planned or arranged before the time of speaking, or to make predictions based on plans or evidence. Common verbs used with will include think, guess, hope, probably, and possibly. Going to uses the construction of be + going to.

1. Will vs going to
Guillem Pedret

2. Will
To make a promise
I promise... I will play basketball match.

3. Will
To make a prediction.
I will run for the class

4. Will
To make a decision at the time at
the time of speaking
I will go to school before the
hospital

5. Will
To stake a fact about the future
My broter will finish ESO in
September

6. Will
Verbs
Think
Guess
Hope
Probably
Possibbly

7. Plan Gonna (US)
• (Verb to be) + Going to
A future event that has been planned before
the time of speaking
I’m going to study the days of the week

8. And...
• To make a future prediction based
or plans or evidence
It’s going to rain