week bad! :(

every day in it week ,i have been really stressed because i have had exams very complicated and it is definitive for pass the cycle. but yesterday was a day really terrible , because it was the birthday of my bestfriend and for the exams that i had ,i forgot that her birthday of my friend was yesterday. i´m feel very bad for this and i´m furious because days ago was my birthday and she was all the day next to my. in this moment i ´m at house and will study for my exam of tomorrow.

Bad Week !

Every day this (in it) week ,I (i) have felt (been) really stressed because I (i) have had some very complicated exams to cope with (very complicated) that I need to pass. (and it is definitive for pass the cycle.) However, (but) yesterday was a (day) really terrible day, because it was the birthday of my best friend and, due to (for) the exams, (that i had ,) I (i) forgot all about (that) her birthday.  (of my friend was yesterday.) I'm (i´m) feeling really (very) bad over (for) this and I'm (i´m) furious with myself because, days ago, it was my birthday and she stayed with me all day. (was all the day next to my.) At (in) this moment, I'm (i ´m) at my house and will study for my exam (of) tomorrow.

Well expressed. Be careful to start sentences with a capital letter and to remember that 'I' 'I'm' 'I've' always start with a capital 'I' wherever in the sentence the word occurs. 

As she is your friend, she will understand. Maybe, you can invite her out for a coffee etc. when you have free time...

week bad Bad week :(

every day Everyday in it of this week ,i have been really very stressed because i have had exams very complicated exams and it is definitive for pass the cycle crucial to pass. But yesterday was a day really terrible day , because it was the birthday of my bestfriend and for the day of the exams that I had to pass ,I forgot that her the birthday of my friend was yesterday. I´m feel very really bad for this about it and I´m furious because days ago it was my birthday and she was spent all the day next to my with me. in this moment Now/At his moment I´m at house home and I will study for my exam of tomorrow tomorrow's exam .

*red : correction 

*orange : incoherent statement , alternative option 

                                       I hope I was of some help !

                                       keep up the good work \^o^/