Monday, January 5, 2015

Will or be going to?
When we want to talk about future facts or things we believe to be true about the future, we use 'will'.
  • The President will serve for four years.
  • The boss won't be very happy.
  • I'm sure you'll like her.
  • I'm certain he'll do a good job.
If we are not so certain about the future, we use 'will' with expressions such as 'probably', 'possibly', 'I think', 'I hope'.
  • I hope you'll visit me in my home one day.
  • She'll probably be a great success.
  • I'll possibly come but I may not get back in time.
  • I think we'll get on well.
If you are making a future prediction based on evidence in the present situation, use 'going to'.
  • Not a cloud in the sky. It's going to be another warm day.
  • Look at the queue. We're not going to get in for hours.
  • The traffic is terrible. We're going to miss our flight.
  • Be careful! You're going to spill your coffee.
At the moment of making a decision, use 'will'. Once you have made the decision, talk about it using 'going to'.
  • I'll call Jenny to let her know. Sarah, I need Jenny's number. I'm going to call her about the meeting.
  • I'll come and have a drink with you but I must let Harry know. Harry, I'm going to have a drink with Simon.
 You can also check this table:

Will + infinitive Be going to + infinitive
A decision at the moment of speaking (instant decisions)
Julie: There's no milk.
John: Really? In that case, I'll go and get some.
A decision before the moment of speaking (plans or intentions)
Julie: There's no milk.
John: I know. I'm going to go and get some when this TV programme finishes.
A prediction based on opinion:

I think the Conservatives will win the next election.
A prediction based on something we can see (or hear) now:

The Conservatives are going to win the election. They already have most of the votes.
A future fact:

The sun will rise tomorrow.

For promises / requests / refusals / offers:

I'll help you tomorrow, if you like.


You can now practise with the following exercises:

Exercise1              Exercise2               Exercise3                 Exercise4           Exercise5      Exercise6

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