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He isn`t lose his heart.He didn`t lose his heart.有什么区别?也就是di

来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:英语作业 时间:2024/04/29 11:39:32
He isn`t lose his heart.He didn`t lose his heart.有什么区别?也就是didn·t和isn·t的区别?
RT.最好能详细说说什么时候用DO什么时候用BE.
He isn`t lose his heart.He didn`t lose his heart.有什么区别?也就是di
He isn`t lose his heart.是错句子.因为lose是动词 前面只能用didn't,不能用isn't.
简单的说,句子里已经有了动词作谓语,就只能用didn't,因为didn’t不是动词.只用句子中没有了动词作谓语,例如只有名词,形容词等,则用is或isn't作为系动词,使句子完整,例如 He isn't a handsome guy.