2017-2018学年九年级人教版英语教学课件：Unit 4 Grammar Writing.ppt

Unit 4 I used to be afraid of the dark. Grammar Writing You used to be short, didn’t you? Mario used to be ... Amy used to be ... Tina used to have ... He used to be really short. He used to be so shy and quiet. Read the sentences below and pay attention to the underlined parts. Grammar I used to be afraid of the dark. 我过去怕黑。 “used to + 动词原形”表过去的习惯或过去经常反复发生的动作或状态，但现在已经不再存在了。可用于所有人称。 否定形式为：used not to + do 或：didn’t use to do 疑问形式为：Used … to …? 或：Did … use to …? I didn’t use to be popular in school. Did he use to be short? / Used he to be short? He didn’t use to be short. / He used not to be short. You used to be quiet, didn’t you? 你以前很文静，是不是? 反意疑问句: 陈述句, didn’t / usedn’t +主语? 1.used to do sth. 表示“过去常常做某事”，只表示过去和现在对比，暗示现在不做了。to为动词不定式符号,后接动词原形。 他过去常常六点去上学。 He used to go to school at six o’clock. 2.used to do sth.的否定形式： 　　主语+ usedn’t to do sth. 　　主语+ used not (didn’t use)to do sth. He usedn’t / didn’t use to smoke.过去他不吸烟。 used to用法小结 3.used to do的疑问句形式及其答语。 　（1）Used+主语+ to do…? 　　回答：Yes, sb. used to./No, sb. usedn’t to. 　（2）Did+主语+use to do…? 　　回答：Yes, sb. did./No, sb. didn’t. 4.used to do的反意疑问句形式也有两种，类似于否定句形式。 They used to see English movies on Sunday，usedn’t they?/ didn’t they? 知识延伸： ① get/be used to (doing) sth.习惯于（干）某事； ② be used to do sth.= be used for (doing)sth.被用于做某事； ③ be used by 被……所用。 He used to _______ in the sun, but now he is used to _______ at night. A. read, read B. reading, read C. read, reading D. reading, reading C used to后接动词原形，be used to 表习惯于，后接动名词。 1. Lily’s father used ________ (play) table tennis. 2. Jane is a hard-working girl, she is used to _______ (get) up early. 3. Wood is used to ______(make) desks, chairs, tables and so on. 4. ____ you ____(use) to be short? 5. Today, computers are_____ (use) in both work and study. 一、用