I don’t know exactly what you are looking for but I can tell you that there is an app where you can copy all of that and translate it into English so you can understand it. You can use the google translate app it really does help.
(And your probably like well duh I already knew that but like this could really help in this situation)
Hopefully that helped
Tener que is considered stem changing because it changes its roots and entire word not just the ending. Please mark brainliest
Por. Para would be used to say that something was made *for* someone.
