I walk alone,gradually,I found the flowers begin to wither a

I walk alone,gradually,I found the flowers begin to wither away,The leaves begiI walk alone,gradually,I found the flowers begin to wither away,The leaves begin to fall.Winter is coming.When I look back,u r disappear.我知道我时态什么的肯定不对的 哈 英语的 不是中文的 哈