练了很久英语怎么说

练了很久英语可以用「英语练了很久」或「我练了很久英语」来表示。这个说法源于汉语中对「练」的理解，即通过不断的练习来提高技能或技巧。例如：
「我练了很久英语，现在可以流利地与外国人交流了。」(I have been practicing English for a long time, and now I can fluently communicate with foreign people.)
「我的孩子练了很久英语，现在英语成绩在班里名列前茅。」(My child has been practicing English for a long time, and now their English grades are among the best in the class.)
「我的英语老师告诉我，要想提高英语水平，就必须练了很久。」(My English teacher told me that if I want to improve my English, I have to practice a lot.)