Difficultlies in my English learning要求:80左右

Difficultlies in my English learning
I know English is very important and useful. But learing English is difficult for me . I have ever met lots of difficulties when I learn English. Firstly, I feel upset during English class. I have no confidence in learning it well. Secondly, I can't remember the new words, I always forget them. Thirdly, I am afraid of taking part in the group activitties ,I am shy and afraid of making mistakes. Last but not least, I don't like my English teacher, I think his class is boring. So I'm not interested in English. I hope I can learn English well. What should I do ? Please give me some advice.