Please help me with articles \"the\" and \"a\" in a sentence.

Please help me with articles "the" and "a" in a sentence.

man tokia menka problemele yra ir man reikia labai greitai ja isspresti.
nebezinau ka siame sakinyje parasyti
"there are tall trees around the site which provides shade."
manau kad cia yra nepadeta kokio artikelio pvz gal reikia artikelio pries trees,jeigu reikia tai ar "the" ar "a" ,arba gal prie provides nereikia s galunes?pls padekite ir parasykie.pls

there’re some tall trees around the site which provides shadow.

skaicius nesuderintas. trees provide.

proto bokstai.

ojojojoj Liežuvis

pries “tall trees” gali buti nebent artikelis “the”, nes cia daugiskaita. Artikelis reikstu, kad tai butent tie auskti medziai, kurei jau turejo buti aprasyti anksciau.