Error correction
1.The narrator recount a small incident
2.that changes his mood. It seemed
3.very simple but it has a great
4.significance. The poet was depressing
5.and hopeless. He was in the state of
6.sorrow and was lost in his thought. He
7.was standing upon the hemlock tree then
8.suddenly a crow that was sitting in the
9.tree shook the tree and the fine particles
10.of snow fall on the poet.