将以下文本中的拼写错误和语法错误全部纠正，并将原文和修正后的文本进行比较。
原文：“I wrot a lettter to received you feedback, but I haven't herd back from you yet.”
原文：“I wrot a lettter to received you feedback, but I haven't herd back from you yet.”
修正后的文本：“I wrote a letter to receive your feedback, but I haven't heard back from you yet.”