【do和does的用法口诀】在英语学习中，"do" 和 "does" 是最常用的助动词之一，尤其在一般现在时的疑问句和否定句中经常出现。掌握它们的用法对于提高英语表达能力非常关键。下面是一个简单易记的口诀，帮助你快速区分和使用 "do" 和 "does"。
一、口诀记忆法
“do”和“does”怎么用？
人称不同要分清：
I、you、we、they，用“do”没问题；
he、she、it，要用“does”才对。”
二、总结与表格对比
| 主语 | 助动词 | 例句（肯定） | 例句（否定） | 例句（疑问） |
| I | do | I like apples. | I don't like apples. | Do you like apples? |
| You | do | You play football. | You don't play football. | Do you play football? |
| We | do | We go to school. | We don't go to school. | Do we go to school? |
| They | do | They study English. | They don't study English. | Do they study English? |
| He | does | He likes music. | He doesn't like music. | Does he like music? |
| She | does | She works hard. | She doesn't work hard. | Does she work hard? |
| It | does | It runs fast. | It doesn't run fast. | Does it run fast? |
三、小贴士
- do 用于第一人称（I）、第二人称（you）、复数主语（we, they）。
- does 用于第三人称单数（he, she, it）。
- 在疑问句和否定句中，必须使用 do/does 来构成句子结构。
- 注意：doesn’t 是 does not 的缩写形式，don’t 是 do not 的缩写形式。
通过这个口诀和表格，你可以更清晰地理解 “do” 和 “does” 的使用规则，并在实际应用中更加自信地运用它们。多练习，多使用，你会发现英语表达变得越来越自然！
