在学习英语的过程中，我们经常会使用到主动语态和被动语态。在某些情况下，我们需要将一个句子从主动语态转换成被动语态，或者从被动语态转换成主动语态。这对于我们理解和使用英语非常重要。下面是一些大学英语主动变被动例句，希望能帮助您更好地掌握英语知识。
主动变被动
例句1：
主动语态：The teacher corrected my mistakes.
被动语态：My mistakes were corrected by the teacher.
例句2：
主动语态：She is cleaning the room.
被动语态：The room is being cleaned by her.
例句3：
主动语态：The company will launch a new product next month.
被动语态：A new product will be launched by the company next month.
被动变主动
例句1：
被动语态：The book was written by Shakespeare.
主动语态：Shakespeare wrote the book.
例句2：
被动语态：The cake was made by my mom.
主动语态：My mom made the cake.
例句3：
被动语态：The letter was received by me yesterday.
主动语态：I received the letter yesterday.
以上是一些大学英语主动变被动例句，希望能帮助您更好地理解和掌握英语知识。记住，在学习英语时，要善于灵活运用不同的语态，让自己的英语水平更上一层楼。
