【英语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,尤其在构成一般现在时的疑问句和否定句时使用频繁。为了帮助大家更好地掌握它们的用法,下面整理了一份简明易记的口诀,并结合表格形式进行总结。
一、口诀记忆法
口诀:
“do 用于你我他,does 只跟第三人称。”
详细解释:
- do 用于第一人称(I)、第二人称(you)和复数形式(we, they)。
- does 用于第三人称单数(he, she, it)。
例如:
- I do my homework.(我做作业。)
- You do your work.(你做你的工作。)
- He does his job.(他做他的工作。)
二、用法总结表
| 用法类型 | 助动词 | 使用对象 | 举例句子 |
| 肯定句 | do | I, you, we, they | I do my homework. |
| does | he, she, it | She does her homework. | |
| 疑问句 | do | I, you, we, they | Do you like apples? |
| does | he, she, it | Does he like apples? | |
| 否定句 | don't | I, you, we, they | I don't like apples. |
| doesn't | he, she, it | She doesn't like apples. |
三、常见错误提醒
1. 主谓不一致:
- ❌ He do his homework.
- ✅ He does his homework.
2. 助动词与动词原形混用:
- ❌ Do you likes apples?
- ✅ Do you like apples?
3. 第三人称单数误用:
- ❌ She do the work.
- ✅ She does the work.
四、小结
“do” 和 “does” 的使用主要取决于主语的人称和数。记住口诀“do 用于你我他,does 只跟第三人称”,可以帮助快速判断是否需要使用这两个助动词。通过表格对比,可以更清晰地理解它们在不同句型中的应用方式。多加练习,就能熟练掌握它们的用法了。
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