In Present simple^x, Difference between^x, Simple present^x

Hi, I have a question about using verb “hope” to express hopes about future events. There are different rules in different books for the situation. As it is said in grammar rules, “hope” is used to express a desire or an expectation about something real or possible. It is also said in some...

What’s the difference between: a) The boys start school on Monday. / I leave tonight. b) The boys are starting school on Monday. / I am leaving tonight. = a) the decision is not necessarily taken by the subject (?) b) the decision is definitely taken by the subject (?) Hi again...