sprawdzenie tłumaczenie

Dear Mark,

I came back with holidays on which I was with Damian. We went to Władysławowo. We left on Monday morning, 12 July. Damian is my friend I which know very long. He never disappointed me. I went with him on holidays, because he is witty, honest and I can him trust always.
Everytime, I knew, that this holidays will successful. After we arrived to Władysławowo and after we unpacked, we went on beach . By whole holidays the weather was excellent. Was very warm and the sun shone. We every day daysunbathed, swam in sea, rode a bike and we walked after city. In general, was great. Damian is great colleague. Thanks him, we got to know several pretty girls.
But enough about me. And you Mark like going on holidays Mark from who? You go in these holidays somewhere? I have hope, that so as I, you will a great holidays too.
Your familiar
XYZ


Z góry dziękuję za poprawienie błędów:] - wiem że jest ich duzo

Dear Mark,

I came back 'with' (nie, tutaj FROM MY holidays 'on which I was' (troche za formalnie - lepiej ...where I was...) with Damian.
We left on Monday morning, 12 July (ale ktorego roku 1970?). Damian is my friend
'I which know very long' (nie, nie tak - ...3hom I have known for a very long time).
...because he is witty, honest and I can 'him' (w zlum miejscu tutaj) trust HIM always.
Everytime, I knew, that 'this' THESE holidays 'will' WOULD BE successful. After we arrived to Władysławowo and after we unpacked, we went on THE beach.
'By' FOR THE whole holidays the weather was excellent. IT was very warm (tutaj mozesz dodac...the temperature was xxxxC) and the sun shone (all the time).
We 'every day sunbathed' (nie, ang. to SVO - subject 'we', verb' sunbathed' every day, swam in THE sea, rode a bike and we walked 'after' Nie, IN THE city. In general, IT was great. Damian is A great colleague.
IT WAS thanks TO him THAT we got to know several pretty girls.
....And you Mark like going on holidays Mark from who? ...cos z tym zdaniem nie tak...And Mark who do you like going on holidays with?)
DURING THESE HOLIDAYS WILL YOU BE goING somewhere TOO? I 'have' Niepotr) hope, that 'so as I' JUST AS I HAVE HAD, so you TOO will 'a' (niepotr) great holidays. (przewaznie mowimy ...have a great holiday)
Your 'familiar' (nie uzywaj tgo, lepiej...Your friend, Best wishes...cos takiego)

Po polsku to mniej więcej miało wyglądać tak:

Drogi Marku,

Właśnie wróciłem z wakacji, na których byłem z Damianem. Pojechaliśmy do Władysławowa. Wyjechaliśmy w poniedziałek rano, 12 lipca. Damian jest moim przyjacielem, którego znam bardzo długo. Nigdy mnie nie zawiódł. Pojechałem z nim na wakacje, ponieważ jest on dowcipny, uczciwy i mogę zawsze mu zaufać.
Cały czas wiedziałem, że będą to udane wakacje. Po przyjeździe do Władysławowa i po rozpakowaniu, poszliśmy na plażę. Przez całe wakacje była świetna pogoda. Było bardzo ciepło i świeciło słońce. Codziennie opalaliśmy się, pływaliśmy w morzu, jeździliśmy na rowerze i spacerowaliśmy po mieście. Ogólnie było świetnie. Damian jest wspaniałym kolegą. Dzięki niemu poznaliśmy kilka ładnych dziewczyn.
Ale dość o mnie. A ty Marek z kim lubisz jeździć na wakacje? Jedziesz gdzieś w te wakacje? Mam nadzieję, że tak jak ja będziesz miał wspaniałe wakacje.

Twój znajomy
XYZ

i to tak wyglada. Jak poprawisz bledy to jeszcze raz zobacze jak to wyglada.

I came back from my holidays where I was with Damian. We went to Władysławowo. We left on Monday morning, 12 July. Damian is my friend I have known for a very long time. He never disappointed me. I went with him on holidays, because he is witty, honest and I can trust him always.
Everytime, I knew, that these holidays would be successful. After we arrived to Władysławowo and after we unpacked, we went on the beach . For the whole holidays the weather was excellent. It Was very warm and the sun shone all the time. We daysunbathed every day, swam in the sea, rode a bike and walked in the city. In general, ti was great. Damian is a great colleague. It was thanks to him that we got to know several pretty girls.
But enough about me. And Mark who do you like going on holidays with? During these holidays will you be going somewhere too? I hope, that just as I have had, so you too will great holiday.

Your friend
XYZ


Lepiej?

Damian is my friend WHOM I have known for a very long time. He HAS never disappointed me. I went with him on holidays, because he is witty, honest and I can (sorry, tu moja wina - tu powinno byc ALWAYS) trust him.
'Everytime' (lepiej ...From the beginning, I knew, that these holidays would be successful.
We 'days unbathed' SUNBATHED every day, swam in the sea, rode a bike and walked 'in' (moze lepsdze slowo ...around the city. In general, 'ti' IT was great.
...just as I have had, so you too will HAVE A great holiday.

Ok, wielkie dzięki za pomoc:)