【Do和Does有什么区别】在英语语法中，"do" 和 "does" 都是助动词，用于构成一般现在时的疑问句和否定句。它们的区别主要在于主语的人称和数的不同。正确使用 "do" 和 "does" 是学习英语的基础之一，掌握它们可以帮助你更准确地表达自己的意思。
总结：
- Do 用于第一人称（I, we）和第二人称（you），以及复数主语（they, we, you）。
- Does 用于第三人称单数（he, she, it）。
- 在疑问句和否定句中，需要借助 "do" 或 "does" 来构成句子结构。
- 使用时要注意主语与动词的一致性。
对比表格：
| 主语 | 一般现在时肯定句 | 一般现在时否定句 | 一般现在时疑问句 |
| I | I go to school. | I do not go to school. | Do I go to school? |
| You | You go to school. | You do not go to school. | Do you go to school? |
| We | We go to school. | We do not go to school. | Do we go to school? |
| They | They go to school. | They do not go to school. | Do they go to school? |
| He | He goes to school. | He does not go to school. | Does he go to school? |
| She | She goes to school. | She does not go to school. | Does she go to school? |
| It | It goes to school. | It does not go to school. | Does it go to school? |
小贴士：
- 当主语是第三人称单数时，动词要加 "s" 或 "es"，例如：He goes, She studies。
- 在疑问句和否定句中，"do" 或 "does" 后面要跟动词原形，如：Do you like apples? / She does not like apples.
通过理解 "do" 和 "does" 的用法，你可以更自然地进行英语交流，避免常见的语法错误。
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