A certain condition is necessary in order for something to happen or to be true (Iwe need to do what´s neceassry to get what we want)
No matter what the condition, there is no way to affect or change an event or situation (No matter what we do, things, situations, etc are the same)
This condition will happen only if another action is done (If we don´t do something, we won´t get the result or thing we want to)
Unless he writes himself a note, he will forget to pay his bills/ We told him we wouldn´t come to the meeting unless he apologized for his outburst
Even if I have plenty of time to finish a project, I still wait till the last minute to begin/ Wheter or not anyone says anything about it, Kayla´s desk is always a disorganized mess
Nina will work happily only if she learns to say no to her boss/ Only if Nina learns to say no to her boss, will she be happy at her work