【do和does的用法口诀】在英语学习中,"do" 和 "does" 是两个非常常见的助动词,尤其在一般现在时的疑问句和否定句中使用频繁。掌握它们的正确用法对于提高英语表达能力至关重要。为了帮助大家更好地记忆和运用,下面整理了一份简洁易记的“do和does的用法口诀”,并结合表格形式进行总结。
一、do和does的用法口诀
1. 主语是I, you, we, they时,用do。
> 我你我们他们,都用do来帮忙。
2. 主语是he, she, it时,用does。
> 他她它单独出现,就要用does来帮忙。
3. 疑问句中,把do或does提前。
> 疑问句要变位,do/does先出面。
4. 否定句中,加not,do/does后面跟动词原形。
> 否定句要加not,do/does后接动词原。
5. 第三人称单数的动词要加s/es。
> 单三动词别忘记,加上s或es才对。
二、do和does用法总结表
| 用法类型 | 主语 | 助动词 | 例句 |
| 肯定句 | I, you, we, they | do | I play football every day. |
| he, she, it | does | She plays football every day. | |
| 疑问句 | I, you, we, they | do | Do you like apples? |
| he, she, it | does | Does he like apples? | |
| 否定句 | I, you, we, they | do not (don't) | I do not like apples. |
| he, she, it | does not (doesn't) | She does not like apples. |
三、常见错误提醒
- 混淆主语和助动词:如“Does he likes apples?” 应改为 “Does he like apples?”
- 忽略第三人称单数变化:如“Does she go to school?” 正确,但“Does she goes to school?” 错误。
- 否定句中忘记加not:如“Do you don’t like it?” 应改为 “Don’t you like it?”
通过以上口诀和表格的总结,相信大家对“do”和“does”的用法有了更清晰的认识。建议多做练习题,巩固记忆,避免在实际使用中出错。英语学习贵在坚持,希望这份内容能对你的学习有所帮助!


