老师英语教学经验怎么说

"My teacher has a lot of experience in teaching Engpsh" or "My teacher is an experienced Engpsh teacher" are both ways to describe a teacher who is skilled in teaching Engpsh. You could also say "My teacher has been teaching Engpsh for many years," or "My teacher has a long history of teaching Engpsh," to convey the idea that they have a lot of experience in this area.