英语中改为祈使句的方法如下:
一、基本规则
肯定句 直接去掉主语(通常为you),以动词原形开头。例如:
- You must clean it. → Clean it.
- You should go to school. → Go to school.
否定句
在动词原形前加否定词Don't。例如:
- You shouldn't do this. → Don't do this.
- You must stop. → Stop.
二、特殊结构
系动词+表语: 如Keep quiet! → Be quiet! 行为动词开头
三、注意事项
祈使句通常省略主语you,直接表达命令或请求。- 否定形式统一使用Don't,无需变化情态动词。 示例
原句:You need to finish your homework. → 祈使句:Finish your homework.
原句:You must apologize. → 祈使句:Apologize.
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