Could you make yourself understood in England?句中为何用understood

Could you make yourself understood in England?句中为何用understood
Could you make yourself understood in England?句中为何用understood

Could you make yourself understood in England?句中为何用understood
（by others）,后面如果改成but you can not make others understand yourself 就不用understood了 Hope I make myself clear!第一句I做整个句子的

使自己被别人理解
当然用被动，是被理解

用过去分词表示一种状态，句子大意：你能让你自己对英国非常了解吗？