WILL

1. For things that we decide to do now. (Rapid Decisions)

This is when you make a decision at that moment, in a spontaneous way.

e:I'll buy one for you too.

2. When we think or believe something about the future. (Prediction)

e:My team will not win the league this season.

WILL BE

A future fact:

ex: I will be 20 years old next week.

GOING TO

We use be going to to talk about plans and intentions. Usually the decision about the future plans  that has already been made

ex: She’s going to be a professional dancer when she grows up.

We can use going to describe a planned action that will happen in the near future. In this situation,we've already decided or planned this action.

ex: Next week I'm going to start a new diet.

WOULD YOU LIKE

Would you like is the polite form used when asking and requesting. This phrase can be used in the question form to make an offer.

example: would you like a cup of tea?

or

would you like something to eat?

WOULD RATHER

Would rather is used to describe a preference of one thing compared to another thing. The activity you prefer comes immediately after “ rather ” and the activity you do not have a preference for comes after “ than “.

ex: He would rather watch TV than read a book.

or

She would rather be a nurse than be a teacher.

Sekian.