Greg ... to have a party.
Greg's going to have a party.
We are going / is going to pick up rubbish.
We are going to pick up rubbish.
Look! It is going / are going to jump to the sea.
Look! It is going to jump to the sea.
Simon and Mary is going / are going to save a kitten!
Simon and Mary are going to save a kitten!
I am going to be / is going to be a vet when I grow up.
I am going to be a vet when I grow up.
They am going to / are going to sing a song.
They are going to sing a song.
Mum ... do some shopping.
Mum's going to do some shopping.
Kiko and Misao ... climb Mount Fuji.
Kiko and Misao are going to climb Mount Fuji.
Dad ... ride a bike.
Dad is going to ride a bike.
I ... get a birthday present.
I am going to get a birthday present.
Miki and Mary ... catch a train to Milan.
Miki and Mary are going to catch a train to Milan.
