be going to, will, present continuos and present simple for future

Question 1

We use it to talk about plans and arrangements for the future

Answer 1

be going to

Question 2

i.e. things that we have already decided to do in the future

Answer 2

be going to

example: They’ve decided that they’re going to fly to Dublin

Question 3

We can also use it to make predictions about the future, particularly when we have evidence for the prediction

Answer 3

be going to

example: The sun is up already. I think it’s going be hot day.

Question 4

We use them for decisions made at the moment of speaking, for example when we suddenly offer to do something for someone.

Answer 4

will and won’t
example:
A: I can’t answer the phone. My hands are wet.
B: I’ll get it for you.

Question 5

When we have the evidence a future fact, we use?

Answer 5

Will and won´t

example: Next week it will be my birthday.

Question 6

We use it to talk about plans and arrangements that have been confirmed

Answer 6

present continuos

example: Tomorrow, I’m having my first job interview, they called me the for the interview last week.

Question 7

We use it with the time expressions like when, as soon as, by the time, until, after, and before.

Answer 7

present simple (in this sentence we cannot use will with these time expressions)
example: 
When I go to university, I'll study chemistry.

Question 8

We use it to talk about the future when the action is part of a timetable or routine.

Answer 8

present simple 
example Tomorrow I have my english class at 2 o'clock