关于“修自行车”的英语表达，综合多个来源的信息整理如下：
一、常用表达方式
- She is repairing the bike.
- He repaired the bicycle yesterday.
被动语态
- The bike is being repaired.
- The bicycle was repaired last week.
完成时态
- I have repaired the bike.
- The bike has been repaired.
二、相关短语补充
询问修复进度： How much is the repair？ / Is the bike almost done？ 表达紧急需求
日常交流：
Excuse me, has my bike been repaired？
It's ready for you.
三、注意事项
动词选择：
repair（主动语态）：强调修复动作，如：He repaired the flat tire.
fix（主动语态）：更通用，如：Can you fix my bike？
mend（主动语态）：多用于小件修补，如：Can you mend my coat？
搭配建议：
使用 be + 动词ing表示正在修理：
- The bike is being repaired right now.
使用 have/has been + 过去分词表示已修复：
- The bike has been fixed.
四、扩展应用场景
描述过程：
One afternoon, I was riding my bike when it suddenly broke down. A passerby helped me repair it.
总结建议：
根据语境选择主动/被动语态，注意时态变化，日常交流中 repair和 fix使用频率最高。
温馨提示：
