Today,I woked up at 8 times.I can get up early since yesterday.I did my homework.I was tired.
After noon,I have a backache.I can’t walk.I went to osteopathic clinic.Because,I hurts so much,I will to go to osteopathic clinic tomorrow.I will do my best tomorrow.

Today, I woked up at 8 a.m. I couldn't get up early since yesterday. I did my
homework. I was tired. In the afternoon, I had a backache. I couldn’t walk. I will(/want to) go to an osteopathic clinic tomorrow because my back hurts so much. I will do my best tomorrow.