history: I am going to ask my boss for a raise and the end of this week.  I feel I really deserve it but I am really nervous to bring up the subject to him.
current: I am going to ask my for a raise at the end of the week.  I feel I deserve it but am really nervous to bring up the subject to him.
next: You have done such a great job! You should be proud of yourself and not be afraid to do so. 