Unit 4 单元语法精讲精练（作业课件）-【四清导航】2023-2024学年九年级英语上册（人教版 河南专用）

英语 九年级上册 人教版 四清导航 单元语法精讲精练 used to do sth.的用法 ►定义 used to do sth.表示“过去常常做某事”，将过去和现在对比，暗示现在不做了。to为动词不定式符号，后接动词原形。 He used to go to school at six o'clock.他过去常常六点钟去上学。 ►结构 1．used to do sth.的否定形式：didn't use/usedn't to do sth. He used to play computer games all day.他过去常常整天玩电脑游戏。 →He didn't use/usedn't to play computer games all day.他过去不常整天玩电脑游戏。 【注意】usedn't＝used not 2．used to do sth.的一般疑问句形式及其答语： (1)Used＋主语＋to do sth.? 回答：Yes，sb. used to./No，sb. usedn't to. —Used Tom to watch TV? —Yes，he used to./No，he usedn't to. (2)Did＋主语＋use to do sth.? 回答：Yes，sb. did./No，sb. didn't. —Did you use to do homework after school? —Yes，I did./No，I didn't. 3．used to do的反义疑问句形式也有两种，类似于否定句形式： They used to see English movies on Sundays，usedn't/didn't they？他们过去常常在周日看英文电影，对吗？ 4．used to也可用于there be结构，表示“过去常有”： There used to be a meeting every Monday morning last month.上个月每个星期一上午总要开会。 【注意】get/be used to (doing) sth.习惯于(做)某事 be used to do sth.被用于做某事 be used for (doing) sth.被用于(做)某事 一、用括号内所给单词的适当形式填空。 1．Grandpa used ______ (go) fishing on Sundays. 2．When I was younger，I was used to ______ (take) a walk after dinner. 3．Tom used to ______ (live) in London with his father，but now he lives in Shanghai. 4．—Didn't you use to ____ (eat) sweet food? —No，I didn't.But I get used to ______ (eat) it now. 5．The camera can be used to ______ (record) what you see during your journey. go taking live eat eating record 二、根据汉语提示完成下列句子，每空一词。 6．He ____________ (以前是) a history teacher in our school. 7．There ____________ (以前有) an old tree near the village. 8．She ________________________ (习惯于散步) after dinner. 9．Wood ________________________(被用来制造) paper. 10．Mrs. Black ________________________(已习惯于) eating with chopsticks. used to be used to be is/gets used to walking is used for making/to make has been/gotten used to $$