帮我看一下这篇文章有没有一些语法错误,指出并改正

everyone has his own dream.Everyone's dream is different.I also have my own dream.
I have a dream.I hope to have a farm.So i work hard for my dream.
I have a dream.I hope to have a farm.On the farm,there is a big house and a limpid river,and some fruit trees.
On my farm:during spring,the tress give welcome shades; in summer,fragrant flowers are very beautiful; over autumn,there are fruits all over the tress; and finally in winter,the while farm that is covered by snow,gleams white.
I love my drea,.I love the world in my dream.