She has found her pen. 现在完成时 意思是 她找到了她的笔.
She says that she has found her pen. 她说她找到了她的笔.
She has found her pen 她已经找到她的钢笔了. 是现在完成时. 动作已经完成.
She says that she has found her pen. 她说她已经找到她的钢笔了. 是第三人称转述.
she has found her pen 她找到她的钢笔。 过去
She says(我觉得应该用said) that she has found her pen. 她说她找到他的钢笔。