Writing prompt: Sweeping Snow

Student essay:
Sunday, January 12
Tis morning, when I opened the curtain, I saw snowing outside. I saw everything turned white. It was so beautiful that I wanted to take some photos to record the beautiful time.
Then, I took my camera and went out. After I took some photos. On my way home there was a man in front of me. Suddenly he fell down. So I picked him up immediately.
So I went home and brought a broom to swept the snow on the road in order to let the other person fell down again.
Lastly, the road was cleaned by myself. I was so glad that no one fell down again and many people praised me and said I am a good boy.

Corrected essay:
Sunday, January 12
This morning, when I opened the curtain, I saw it was snowing outside. I saw everything turned white. It was so beautiful that I wanted to take some photos to record the beautiful time.
Then, I took my camera and went out. After I took some photos, on my way home there was a man in front of me. Suddenly he fell down. So I picked him up immediately.
So I went home and brought a broom to sweep the snow on the road in order to let other people not fall down again.
Lastly, the road was cleaned by myself. I was so glad that no one fell down again and many people praised me and said I am a good boy.