请帮我看看这篇短文有哪些语法错误.

请帮我看看这篇短文有哪些语法错误.
My dream house
I'm a student.Even though I don't have money.I still have my dream house.My dream house is single house.It have three floors.Inside the first floor there is a big living room medium-sized dining room,a kitchen and bathroom.The second floor has three bedrooms and a bathroom.Every bedroom has a balcony.The third floor has reading room,collections and bathroom.
Outside of the house,it has a swimming pool,because I like sport is swimming.It has a garage,of course,I hope the car in the garage.And it has a very big garden,I hope to many flowers and trees in the garden.
This is my dram house.

首先文章写的很好!
My dream house is a single house.
It has three storeys.
On the first floor there is a big living room,a medium-sized dining room,a kitchen and a bathroom.
On the second floor there are three bedrooms and a bathroom.
On the third floor there is a reading room,with collections of books and a bathroom.
Outside of the house,there is a swimming pool,because the sport I like best is swimming.
There is a garage,of course.I hope to keep the car in the garage.
And there is a very big garden,I hope to plant many flowers and trees in the garden.
This is my dream house.
表示某处有某物时要用there be,而 have/has/had则是用于人拥有.