Unit 3 Grammar (1)学案 -2021-2022学年高中英语牛津译林版选修七

课题名称 Unit 3 Grammar (1) _______班______学习小组 姓名___________ 学习目标 1、知识与技能：Auxiliary verbs. 2、过程与方法：Explaining and practicing 重难点 重点：Uses of auxiliary verbs. 难点：Uses of auxiliary verbs. 【自主学习】阅读、思考、存疑 备注 Ⅰ.用助动词的适当形式填空 1．English___________ (be)becoming more and more important. 2．The window___________ (be)broken by Tom. 3．He___________ (be)to come to the office this afternoon. 4．By the end of last month，they___________ (have)finished half of their work. 5．He___________ (do not)like to study. 6．I___________ (do)go there. 7．Only when we begin our college life___________ (do)we realize the importance of English. 8．He said he___________ (will)come. 【合作探究】展示、点评、释疑 I助动词 1. 动词根据其含义和句子功能可分为实义动词(Notional Verbs)和助动词(Auxiliary Verbs)。实义动词意义完整，能够独立作_________，而助动词本身无词汇意义或意义不完整，不能单独作__________。试比较： The boy does his homework every day. 那个男孩每天都做家庭作业。 (does为_______动词，作_________，是do的第三人称单数一般现在时形式) The boy doesn’t do his homework on Saturday evenings. 那个男孩星期六晚上不做家庭作业。 (does为________动词，不能独立作________，doesn’t与实义动词do一起构成第三人称单数一般现在时的否定形式) 2. 助动词常与实义动词一起用来构成各种时态、语态、语气、否定和疑问结构以表达说话人的各种情态。 助动词可分为时态助动词、do助动词和情态助动词三种。情态助动词又称作情态动词。 II助动词的分类 类别 例词 特点 基本助动词 be，do，have 无词汇意义，只有语法作用，协助主要动词构成时态，语态,否定句，疑问句。 助动词短语(半助动词) be about to，be due to，be going to，be likely to，be meant to，be supposed to，have to，seem to，be unable to，be unwilling to 在功能上介于主要动词和助动词之间的一类结构。 其他助动词 shall，will，should， would 无意义，主要用来构成将来时。 二、助动词的功能 功能 例句 表示时态 He is singing. He was married. 表示语态 He was sent to England. 构成疑问句 Do you like senior high school life? Had you finished your homework before you came here？ 与否定副词not 合用，构成否定句 I don’t like him. 加强语气 He did know that. 【当堂检测】练习、提升 句型转换 1．He will teach us English next term. →We________________English(by him)next term. 2．The teacher said to him，“ You must come here on time.” →The teacher said to him，“___________ come here on time.” 3．I was going to explain when she interrupted me. →I________________explain when she interrupted me. 4．Let’s go out for a walk，what about