<English> Would you please correct my writing?

Oliver Barret is a sportsman at Harvard university.
Oneday he went to Radcliffe library to borrow a book and met Jeniffer Cavilleri working there.
He asked for her help about finidng the book. Jenny could not understand the man from Harvard who always borrwed books at a small library. They got argument and this argument become the decisive factor in their falling in love with each other.

He decided to marry her but his father objected to their marriage. This was because the economic ability was too different between two family group.
Oliver Barret's fatehr was a rich banker in Boston but Jenny's father was a poor
banker in Rhode Island. Eventually Oliver decided to marry her under the conditions
that from the moment he marreid, he did not recieve any support from his father.
.
Time after time Jenny got a blood disease and didn't have much time left.
Oliver was heartbroken but he tried not to cry in front of her and took care of her
until she died.

Oliver Barrett was a sportsman at Harvard university. He was in the habit of borrowing books at a small library but one day (Oneday he) went to Radcliffe library to borrow a book and there met Jennifer (Jeniffer) Cavilleri, who worked (working) there. He asked for her help in (about) finding (finidng) a (the) book. Jenny could not understand him (the man from Harvard who always borrwed books at a small library.) and they got into an (They got) argument but (and) this argument became (become) the decisive factor in their falling in love with each other. He decided to marry her but his father objected to their marriage. This was because the financial standing (economic ability) betweeen the two families differed greatly. (was too different between two family group.) Oliver Barrett's father (fatehr) was a rich banker in Boston whereas (but) Jenny's father was a poor banker in/from  Rhode Island. Eventually,  Oliver decided to marry her on the condition (under the conditions) that from the moment he married (marreid), he would not receive (did not recieve) any support from his father. . Time after time Jenny contracted a disease of the blood (got a blood disease) and didn't have much time left. Oliver was heartbroken but he tried not to cry in front of her and took care of her until she died.

I have suggested a few amendments to help the essay read a little better in English. It was well written and a nice story but with a sad ending.

<English> Would you please correct my writing?

Oliver Barret is an athlete at Harvard university.
One day, he went to Radcliffe library to borrow a book and met Jeniffer Cavilleri who was working there.
He asked for her help about finding the book. Jenny could not understand this man from Harvard who always borrowed books from a small library. They had an argument and this argument became the deciding factor in their falling in love with each other.

He decided to marry her but his father objected to their marriage. This was because the economic ability was too different between two family groups.
Oliver Barret's father was a rich banker in Boston, but Jenny's father was a poor
banker in Rhode Island. Eventually, Oliver decided to marry her under the conditions
that from the moment they married, he would not receive any support from his father.
.
After some time (some time later), Jenny got a blood disease and would not live much longer.
Oliver was heartbroken, but he tried not to cry in front of her. He took care of her
until she died.