May/will/might

may

will

might

I probably won`t come to school tomorrow.

I may probably not come to school tomorrow.

I won`t probably come to school tomorrow.

I`ll probable study French next semester.

I probably will study French next semester.

I`ll probably study French next semester.

probable situations

definite situations

both probable and definite

70%

50%

40%

am going to

may

will

might

is going to be

will be

may

will

might

is going to

will go

am going to go

am going

there is an evidence to make a prediction

a decision is made at the moment of speaking

there is a truthful fact

when we have decided or confirmed plans

for confirmed plans

for general predicitions about future

for predictions based on evidence

expressing probability