She lives (动词)very carefree(副词)副词修饰动词放在其后!根据意思来讲这句话应该要用的时态是一般现在时!表示通常性、规律性、习惯性的状态或者动作(有时间规律发生的事件)的一种时间状态。
She lived a easygoing life!
she lead a free life.
she leads a leisurely and carefree life