usedtodo用法归纳高中
【usedtodo用法归纳高中】在高中英语学习中,“used to do”是一个非常重要的语法点,常用于描述过去经常发生的事情或过去的习惯。它与“be used to doing”有着明显的区别,容易混淆。以下是对“used to do”的用法进行系统归纳和总结。
一、基本用法
used to do 表示“过去常常做某事”,强调的是过去的一种习惯或状态,而现在已经不再做了。
- 结构: used to + 动词原形
- 否定形式: didn't use to + 动词原形
- 疑问句: Did you use to + 动词原形?
例句:
- I used to play football every weekend.(我以前每个周末都踢足球。)
- She didn't use to like coffee.(她以前不喜欢喝咖啡。)
- Did you use to live in Shanghai?(你以前住在上海吗?)
二、与其他表达的对比
| 表达方式 | 含义 | 举例 |
| used to do | 过去经常做某事,现在不再做了 | He used to smoke.(他以前抽烟,现在不抽了。) |
| be used to doing | 习惯于做某事(现在仍保持) | She is used to working late.(她习惯晚上工作。) |
| get used to doing | 开始习惯于做某事(过程) | I’m getting used to the new job.(我正在适应新工作。) |
三、常见错误分析
1. 混淆“used to”和“be used to”
- ❌ I am used to eat breakfast.
- ✅ I am used to eating breakfast.
2. 忘记“used to”后接动词原形
- ❌ He used to go to school by bus.(正确)
- ❌ He used to went to school by bus.(错误)
3. 误用“used to”表示现在的情况
- ❌ I used to live here now.(错误)
- ✅ I used to live here, but I don’t now.(正确)
四、练习巩固
请根据句子意思选择正确的表达:
1. I ______ get up early, but now I prefer to sleep longer.
A. used to
B. am used to
C. get used to
2. She ______ swimming when she was young.
A. used to
B. is used to
C. gets used to
3. They ______ living in a big city.
A. used to
B. are used to
C. get used to
答案:
1. A
2. A
3. B
五、总结表格
| 项目 | 内容 |
| 用法 | 表示过去经常做某事,现在不再做 |
| 结构 | used to + 动词原形 |
| 否定 | didn't use to + 动词原形 |
| 疑问 | Did you use to + 动词原形? |
| 常见错误 | 混淆“used to”与“be used to”;忘记动词原形 |
| 对比 | 与“be used to doing”、“get used to doing”区分清楚 |
通过以上内容的学习与练习,可以更好地掌握“used to do”的用法,并避免常见的错误。希望同学们在今后的英语学习中能够灵活运用这一语法点。








usedtodo用法归纳高中