Actually... all four can be used!

4 future forms

​

• will

• be going to

• present continuous ​tense

• simple present tense​

But what are their differences?

Compare these two sentences

What's the difference?

The Hong Kong Observatory said it is going to rain tomorrow.

​be going to

I think it will rain tomorrow.

will

something that is quite sure to happen

​The Hong Kong Observatory said it is going to rain tomorrow.

Something that is likely but not sure to happen

​I think it will rain tomorrow.

What's the difference?

See if you're correct in your guess!

What about these two sentences?

​We are going to eat at this restaurant tonight. I have made a reservation already.

​be going to

​(Open fridge) See, we don't have any bread left. I will go to the bakery to buy some later.

will​

Difference between will and be going to

​We are going to eat at this restaurant tonight. I have made a reservation already.

• a plan or decision that was made before​

​(Open fridge) See, we don't have any bread left. I will go to the bakery to buy some later.

• decision made at the moment of speaking

What about these two sentences?

Some text here about the topic of discussion

We're travelling to Australia tomorrow morning! I'm so excited!

​present continuous

We are going to travel to Australia during the summer holiday! We've already booked the flights and the accommodation!

​be going to

Difference between be going to and present continuous

Some text here about the topic of discussion

We're travelling to Australia tomorrow morning! I'm so excited!

​plans that are in the near future

We are going to travel to Australia during the summer holiday! We've already booked the flights and the accommodation!

​plans that are further in the future

How do we use present tense to talk about the future?

The lesson ends at 11:40 a.m.

The bus departs at 4:10 p.m.​

We use this to talk about future​ activities that are part of a timetable or schedule.

Some text here about the topic of discussion