Unit 1 单元语法专项（作业课件）-【优翼·学练优】2023-2024学年七年级英语下册同步备课（人教版）

优壁 优型 学练优七年级英语下 www.youyi100.com 优超 单元语法专项 情态动词can的用法 表示能力。如：Nancy can swim. 表示请求。如：Can you help me with my English? 用法 表示许可。如：We can't eat in class. 肯定句：主语+can+动词原形+其他. 否定句：主语+cannot/.can't+动词原形+其他. 句型 般疑问句：Can+主语+动词原形+其他？ 情态动词can 特殊疑问句：疑问词+一般疑问句？ 表示请求时还可以用could,在语气上比can更加委婉，但回答时只能用can或can't。否定 回答时也可用nustn't,表示禁止或不准。 巧学妙记 情态can表能力，和行为动词不分离；不管主语如何变，can的形式永不变； 只要出现情态can,动词原形后边站；一般疑问can提前，否定can后not添。 I.教材变式根据表格信息完成句子。 Lisa Jane Bob play chess × / write stories × / / play the guitar × × speak Chinese / e.g.Lisa can play chess but she can't write stories. 1.Bob and Lisa chess. 2.Jane and Bob stories,but Lisa 3.Jane chess or 4.Lisa,Jane and Bob Chinese. 优国 Ⅱ.单项选择。 ( )1.（广元改编)一you show your new book to me? -OK.Here you are. A.Can B.May C.Must D.Need ( )2.(2023·甘肃改编)一I find my keys. 一Are they in your jacket pockets(口袋)？ A.mustn't B.shouldn't C,can't D.needn't )3.-Mom,can I go out with my friends? -but you must come back before (在…以前)10：00. A.Sorry,you can't B.Yes,you can C.Yes,you could D.No,you couldn't Ⅲ.按要求完成句子。 l.一Can Eric play tennis?（作肯定回▣答) 2.I can play chess well.（改为一般疑问句) —you chess well? 优 3.Miss Smith can play the violin.（改为否定句) Miss Smith the violin, 4.Gina can swim well..（对画线部分提问) well?