Will and Be going to

• Express future actions decided at the moment of speaking (Immediate Decisions)

I‘ll have salad now.

• Express a prediction based on personal opinions or experiences (Predictions without Evidence)

I think United will win the game.

• A future fact

The sun will rise tomorrow.

• To make a promise, an offer, a threat or refusal

A promise

I promise I won’t tell anyone you broke the window.

An offer

I‘ll take you to the airport tomorrow.

A threat

I‘ll tell your parents what you did.

A refusal

No, I won’t cook your dinner, you can cook it yourself.

When to use BE GOING TO