【#第一文档网# 导语】以下是®第一文档网的小编为您整理的《used to 用法及练习》，欢迎阅读！
used to 用法 【例】My uncle used to go to work on foot. 我叔叔过去常常步行去上班。 总结：used to意为“过去常常”, 暗指现在已经不存在的动作或状态, 后接动词原形。 句式 【练习】按要求改写句子。 1. I used to be afraid of the snakes. (改为否定句) I to be afraid of the snakes. 2. He used to be really friendly. (改为一般疑问句) he to be really friendly? 3. Did you use to play soccer after school?(作否定回答) No, . 4. I used to go to school by bus. (对划线部分提问) you to go to school? 5. They used to play basketball on the playground. (改为反意疑问句) They used to play basketball on the playground, ? 【重点提示】 1. 否定句 used to的否定式通常为didn’t use to。如： She didn’t use to have long hair. 2. 一般疑问句 含有used to的句子变为一般疑问句时, 可用“助动词Did+主语+use to do sth. ?”结构。肯定回答用Yes, sb. did；否定回答用No, sb. didn’t。如： —Did you use to play the piano? —Yes, I did. /No, I didn’t. 3. 特殊疑问句 含有used to的特殊疑问句的结构为“疑问词+助动词did+主语+use to do...?”。如： —What did you use to do? —I used to collect stamps. 4. 反意疑问句 如果陈述部分含有used to, 附加疑问部分通常使用助动词did来引导。如： The house used to be a shop, didn’t it? 辨析 【练习】根据句意, 选择合适的短语, 并用其正确形式填空。 used to/be used to 6. The big box hold books and magazines. 7. He send e-mails to me, but he doesn’t this year. 8. My grandpa going for a walk after dinner. 9. The students swim on weekends, did they? 10. I getting up early. 本文来源：https://www.dywdw.cn/6286b18d7c192279168884868762caaedd33baa3.html
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2024-01-04
