Certain (sure) will/won't
I ... the level.
I will pass/fail the level.
Tomorrow, it will probably be a good day.
Students ... the exam in 50 min.
Students may/might/could finish the exam in 50 min.
We ... on time because of the traffic.
We may/might not be on time because of the traffic.
I ... prepared, nevertheless I am certain that I ... win.
I may/might not be prepared, nevertheless I am certain that I will win.
Next year, it ... 2026.
Next year, it will be 2026.
That is a lot of food, I ... everything.
That is a lot of food, I won't everything.
If my teacher likes my project, I ... the subject with 60.
If my teacher likes my project, I may/might/could pass the subject with 60.
I am not sure, I mean I like to party, but I ... to this one.
I am not sure, I mean I like to party, but I may/might not go to this one.
We ... probably end up fighting, but we ... discuss this problem right now.
We will probably end up fighting, but we will discuss this problem right now.
Climate change ... .
Climate change will happen/be worse/continue.
We ... fun in the posada.
We will probably have fun in the posada.
I suppose that if I do not sleep, I may/might/could finish the project.
If she does not receive treatment, she ... another day.
If she does not receive treatment, she may/might/ not survive/live another day.
I ... be the smartest, even so I ... buy this thing.
I may/might not be the smartest, even so I won't buy this thing.
My students are really smart. But I am sure, they ... everything.
My students are really smart. But I am sure, they won't understand everything.
I know my students, I am sure they will pass the level. Mmm...well...actually, I think, they ... the level.
I know my students, I am sure they will pass the level. Mmm...well...actually, I think, they probably won't fail the level.
I do not know if we are meant for each other, but we ... happy together.
I do not know if we are meant for each other, but we may/might/could be happy together.
He or she ... the most intelligent, but that does not mean he or she is dumb.
He or she may/might not be the most intelligent, but that does not mean he or she is dumb.
She or he ... cry, well they ... cry just a little.
She or he wont probably cry, well they may/might/could cry just a little.
Humanity knows a lot about the universe. Although I am certain, they ... know everything about it.
Humanity knows a lot about the universe, although they won't know everything about it.
I think that humanity ... something about climate change, when they feel the consequences of their actions.
I think that humanity will probably do something about climate change, when they feel the consequences of their actions.
There are a lot of good actors and in my opinion, I suppose he ... the GOAT.
There are a lot of good actors and in my opinion, I suppose he may/might/could the GOAT.
I ... rich, intelligent or gorgeous, even though I can't stop loving you.
I may/might/ not be rich, intelligent or gorgeous, even though I can't stop loving you.may/might/ not
If we follow this route, we ... arrive in a few minutes; I am certain. If we follow that one, we ... arrive in two hours; I think. And if we follow this one we ... arrive; I mean, I suppose.
If we follow this route, we will arrive in a few minutes; I am certain. If we follow that one, we will probably arrive in two hours; I think. And if we follow this one we may/might/could arrive; I mean, I suppose.