My mother (has taught) English for over 10 years.
我妈妈已经教英语10年了.
这句是现在完成时,用助动词has加上过去分词taught构成.我都采纳你好几次了，那这一次顺便问你另一个问题好么？My____English isn't good enough,I want to improve my speaking skills.(speak) 回答完这个问题我会采纳你的相信你肯定是优先选择最佳答案的吧。My(spoken)English isn't good enough, I want to improve my speaking skills.我的英语口语不够好。我想提高说的技巧。