be going to/will

The sky is very dark. There _________________ be a thunderstorm.

•  will

•  is going to

It’s 9 o’clock already! We _________________ miss our train!

 

•  are going to

•  will

Do you think you _________________ children before you’re 30?

•  will

   

•  are going to

I believe people _________________ go on holiday to Mars before 2050.

•  aren’t going to

   

•  won't

I _________________ visit my relatives at the weekend.

 

•  am going to

•  will

We haven’t made any plans for Christmas. We _________________ at home.

•  probably are going to

•  will probably stay

‘The phone’s ringing.’ – ‘OK, I _________________ answer it.

•  am going to

   

•  will

I _________________ take you to the airport tomorrow.

•  am going to

   

•  will

9. She doesn’t feel good. She _________________ perform well on the stage.

 

•  won’t

•  is not going to

I promise I _________________ tell anyone that you broke the window.

 

•  won’t

•  am not going to