This document discusses the use of different modal verbs like will, may, might, definitely, and probably to express varying levels of certainty about predictions. Will, definitely, and certainly are used to say something is sure to happen. Probably is used when something is fairly sure but not guaranteed. May and might express possible outcomes that are less sure. It provides examples for how each modal verb is used in common predictions and questions about potential future technologies and behaviors.

2.  We use will, may and might to talk about
predictions based on opinions: something
that we believe or calculate.

3.  We use this phrase when we are sure
something will happen.
Examples:
 We will definitely go out on Friday night.
 There definitely won’t be any disagreement.
 It certainly won’t rain today.

4.  This phrase is used when we are fairly sure
(perhaps 75% sure) something will happen.
Examples:
 We will probably go to the movies tonight.
 I probably won’t be late tomorrow.

5.  These verbs are used to say that something
could happen / that it’s possible something
will happen.
 Examples:
 We might go out on Friday night.
 I may not come to the class tomorrow.

6.  Will people use mobile phones in the future?

7.  Will they write letters?

8.  Will people spend more time at home?

9.  Will they still play computer games?

10.  Will people still read books?

11.  Will people still use CDs?

12.  Will we use the internet?

13.  Will computers replace teachers?