be going to / will
Future structures
PET
100

I plan to travel to China this year.
I ........................................ travel to China this year.

'am going to' or ''m going to'

100

She has never seen a rainbow before.

It's the ....................... a rainbow.

first time she'll see

100

Jane will probably visit us while she's in London.

Jane will probably visit us .............................................. her stay in London.

during 

200

I might stay in tonight as there's a good film on TV.
I think I ........................................ in tonight as there's a good film on TV.

'I will stay' or ''ll stay'

200

You can find me in front of the building. 

WAITING 

I ... in front of the building.

will be waiting 

200

Jane will probably visit us while she's in London.

during

Jane will probably visit us ... in London.

during her stay

300

 I've decided to paint the living room a relaxing pale-green colour
I ........................................ paint the living room a relaxing pale-green colour.

'am going to' or ''m going to

300

I'm sure we'll come too late to meet them. 

LEFT 

I'm sure by the time we come, they

........................................ .

will have left 

300

If we light the fire, the rescuers will see us.
be
We ...................... rescuers if we light the fire.

will be seen by the

400

My intention is to travel to Malta by ferry.

I......................................travel to Malta by ferry.

am going to

400

Look at how black the sky is! There is rain arriving.
going
Look at how black the sky is! It ..........

is going to rain

400

What about eating out tonight?

... WE ...

Shall WE eat out tonight?

500

John told Adam he would invite him next time. 

John said, 'I ... you next time'. 

WILL INVITE | 'LL INVITE

500

Do you have any plans for next Wednesday evening?
doing 
What ...........................  next Wednesday evening?

are you doing

500

The bus will leave very soon. 

ABOUT 

The bus ........................................ .

is about to leave