作业帮This book cost me 50 yuan.改否定句,要用一般过去时吗?
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/05 02:45:46
This book cost me 50 yuan.改否定句,要用一般过去时吗?
This book cost me 50 yuan.改否定句,要用一般过去时吗?
This book cost me 50 yuan.改否定句,要用一般过去时吗?
用呀,cost 是 cost 过去式
所以改为：This book didn't cost me 50 yuan.
不明白的再问哟,请及时采纳,多谢 !
没错，因为你看原句中主语是this book（第三人称单数形式），如果把这句的时态看成是一般现在事态的话，那么谓语动词就应该是costs而非看到的cost了，所以原句的时态是一般过去式
所以改否定句应该改为：this book didn't cost me 50 yuan
望采纳谢谢，顺祝您学习进步...
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没错，因为你看原句中主语是this book（第三人称单数形式），如果把这句的时态看成是一般现在事态的话，那么谓语动词就应该是costs而非看到的cost了，所以原句的时态是一般过去式
所以改否定句应该改为：this book didn't cost me 50 yuan
望采纳谢谢，顺祝您学习进步
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虞其君英语
This book cost me 50 yuan. 改否定句，要用一般过去时吗？
中文：这本书花了我50元。
答案：This book didn't cost me 50 yuan.
中文：这本书没花我50元。
解析：买书的动作属于过去的动作，为一般过去时范畴。
是的
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