I’ll be 'on a place' (to jest kalka z jez. polskiego, i tak nikt nie powie, raczej...I'll be THERE) at about 2 p.m. and I hope you’ll be 'wait' (zle slowo) for me 'on' AT 'a' THE- bo tutaj mowisz o konkretnej a nie o byle jakiej, on pojdzie na jedna, a ty na druga) train station. As you know I’ve never seen Berlin before so I would like to spend 'there two weeks' (zla kol slow) and visit popular monuments.
'Is there' (w ten sposob zaczynamy pytania, a to jest zdanie, popraw) some 'thins' (ortog?) you should know about.
I don’t eat 'caloric' (zle slowo) food and I avoid sweets.
Secondly I don’t wan’t to share (brak cos) room with your brother, he 'makes' (kalka z polskiego- tutaj 'daje mi') me (brak cos) splitting headache.
2.
I would like to tell you about (tu cos brak) great news.
I’m leaving 'for you' (niepotr) on Monday and I’m planning stay there one week.
Firstly for 'a' (dlaczego 'a' przed l. mnoga?) two months 'I’m' I WILL BE a vegetarian and I don’t eat meat. I packed my special food 'to' (zle slowo) my bag and please, don’t cook anything for me because I don’t want to make 'a problem' (dalabym tutaj l. mn) for you.