Future Forms

There are different future forms in English. However, you need to be able to identify the differences in meaning they convey.

Simple Present: It is used with a future meaning to talk about timetables:

The plane departs at 14:30 from Warsaw.
The next train leaves in 45 minutes.
(The meaning is "it is scheduled to depart/leave)

Will + simple verb - Simple Future
Used to talk about a decision made at the time of speaking, including offers and promises. Also used to make predictions with a good level of probability/certainty or based on what you know/believe.

I am busy today, but I will help you tomorrow.
prices will increase during the second half of the year.
I think Mark will be a good manager.

Be + going to+ simple verb
Used to make predictions based on current evidence, previous arrangements, what you feel, hear, see, think now, etc. Also describe plans made even when details such as time and place haven't been  decided yet.

I'm going to work in finance.

Present Continuous: Be + verb+ing
Used to talk about a future arrangement (details such as place and time have been decided)

I'm playing tennis with Zara at 4:30 pm.

Future Continuous: Will be + verb+ ing
Used to talk about something in progress at a definite time in the future, to ask about someone's plans, especially if we want something or want them to do something:

This time next year I'll be living in France.
Will you be working late tonight?
He will be working on Sunday.

Future Perfect: Will have + verb in past participle
Used to describe something that will be finished or completed by a certain time in the future. Use expressions with "by": by that time, by this time next week,  by the end of the month, by the end of the day, by the end of the season, etc.

By June we will have finished the project.
They said the rehearsals will have finished by the end of the week. 

Future Perfect Continuous: Will have + been + verb+ing. 
Describe something in progress for a period up to a specified time in the future.

I will have been teaching for 13 years next November.
They will have been participating in the show for 5 years at the end of the month. 

Could/May/Might + simple verb
To make a prediction which is not certain.

They could get their money by the end of the year.
He might finish his career sometime in June. 

Be  to + simple verb
Describe an official arrangement or order. 

The governor is to release new regulations next month.

Be due to + simple verb
Used to describe something that is expected to happen or arrive at a particular time.

The new books are due to be here next week.
We are due to deliver our projects by next Friday. 

PRACTICE
Do the following exercises: