Be going to – plans and predictions
Be going to consists of the present continuous of the verb go (I’m going, you are going, etc.) + to infinitive form of the main verb.
When the main verb is go
When the main verb is go, we can exclude it if we want.
I’m going shopping this afternoon. (=I’m going to go shopping this afternoon.)
We are going to Cyprus next summer. (=We are going to go to Cyprus next summer.)
Positive
I am going to work.
You are going to work.
He is going to work.
She is going to work.
You are going to work.
We are going to work.
They are going to work.
Negative
I am not going to work.
You are not going to work.
He is not going to work.
She is not going to work.
You are not going to work.
We are not going to work.
They are not going to work.
Questions
Am I going to work?
Are you going to work?
Is he going to work?
Is she going to work?
Are you going to work?
Are we going to work?
Are they going to work?
Be going to – use
Predictions
We use be going to to talk about something that we see is going to happen (there is present evidence).
Don’t drive like a crazy man. We’re going to have an accident!
The doctor said I’m going to have a girl.
Look at those clouds. It’s going to rain.
Intentions or plans
We use be going to for intentions or plans (decisions taken before the moment of speaking).
‘Why are you undressing?’ ‘Because I’m going to go for a swim.’
We are going to have a drink after work. Do you want to come?
Future time expressions
We often use be going to with future time expressions (tomorrow, next week, etc.).
We are going to play cards tonight.
She’s going to study biology next year.