2. 100%Sure
Speakers uses will or be going to because
they feel sure about the future. They are
stating a fact.
I will be in class tomorrow.
=
I am going to be in class tomorrow.
3. 90%Sure
Speakers uses probably to say that they
expect something, but they are not 100%
sure.
Po will probably be in class tomorrow.
=
Po is probably going to be in class
tomorrow
Anna probably won’t be in class tomorrow.
=
Anna probably isn’t going to be in class
tomorrow.
4. 50%Sure
May expresses a future possibility: maybe
something will happen, and maybe it
won’t happen.
Ali may come to class tomorrow, or he may
not come to class tomorrow.
I don’t know what he’s going to do.
5. 50%Sure
Maybe + will/be going to means the same
thing as may.
Maybe Ali will come to class tomorrow, or
maybe he won’t.
I don’t know what he’s going to do.