Will / be going to

I think she won't pass the exam.

• Prediction based on personal opinion

• sth that is likely to happen

• intention

• instant decision

Oh! The fridge is empty. I'll buy something to eat.

• future plan

• Instant decision

• planned decision

• prediction

I'll change. I promise!

• A promise

• An intention

• An instant decision

• A planned decision

I'm going to study for the exam this weekend.

• intention

• instant decision

• sth that is going to happen

• a promise

He will probably be late for the meeting.

• a promise

• planned decision

• prediction (you don't have evidence) it is based on personal opinion.

• instant decision

I'm thirsty. I will get a glass of water. ¿Cuál es el uso del 'will' en este caso?

¿Cuál es el negativo de 'will'?