haven't和have not和don't have这三个有什么区别?分别如何使用?

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/04 21:51:28
haven't和have not和don't have这三个有什么区别?分别如何使用?

haven't和have not和don't have这三个有什么区别?分别如何使用?
haven't和have not和don't have这三个有什么区别?分别如何使用?

haven't和have not和don't have这三个有什么区别?分别如何使用?
have not 和haven't没有区别,都是现在完成事态的否定用法.haven‘t是缩写
e.g.:I have finished my homework
变否定:i have not finished my homework
变疑问:have you finished your homework?
don't have是一般现在时的否定形式.要求主语为第一人称,have此处做“拥有”翻译
e.g.:I have a cat
变否定:i don't have a cat
变疑问:do you have a cat?