Unit4 Used to 语法小专项 课件 2021-2022学年人教版九年级英语

筷子遇见used to ——九年级Unit 4 I used to be afraid of the dark.之used to语法小专项 1 In ancient times,people eat food with fingers! Do you know? used to chopsticks 本节导航 3 used to do sth. be used to do sth. be used to doing sth. 知识精讲 used to do / be used to do / be used to doing 用法比较 肯定/否定/疑问句/回答 形式/there be 句型中 used to+动词原形， used to没有人称和数的变化 “过去经常，以前常常” 句型结构 基本用法 含 义 used to 用法 Revision 肯定形式：主语＋used to＋动词原形 否定形式：主语＋didn’t use / used not +to＋动词原形 一般疑问句：Did＋主语＋use to＋动词原形＋其他？ Used +主语＋to＋动词原形＋其他？ 肯定回答：Yes, sb. did/ used to. used to可以用在there be结构中表示“过去经常有” 否定回答：No, sb. didn’t/ usedn’t to. 特殊疑问句：疑问词+did+主语+use to do...? 1. I used to watch TV, but now I don’t like it. 2. He didn’t use to be afraid of the snakes. He used not to be afraid of the snakes. 3. Did you use to get up early? Used you to get up early? 4. How did he use to go to school? How used he to go to school? 5. There used to be a l