情态动词的基本作法教案.docx

个性化教案情态动词的基本作法适用学科初中英语适用年级初中一年级适用区域人教课时时长（分钟）60知识点情态动词的基本用法。不定代词教学目标学会礼貌的提出请求和请求允许做某事，提高人际交往能力.教学重点1. 熟练应用Could you do.和Could I do.句型；2Neither, borrow ,invite 等重点动词的用法教学难点如何回答请求和允许。教学过程一、复习预习Id like to work outside. Ill help clean the city park. You could give out food at a food bank.特殊疑问词+ to 不定式，构成复合不定式结构。(how he could care for animals).used to do sth. 过去常常做某事； 表示过去习惯性、经常性的动作或状态，暗指现在已经不存在。used无人称和时态的变化。 help sb (to) do sth. 帮助某人做某事；decide to do sth. 决定去做某事；to不定式做宾语。二、知识讲解 all the time（在该段时间内）一直；向来， 一向；时时刻刻；每时每刻 e.g. I do this all the time. 我一直是这么做的。 This happens all the time. 这种情况是时时发生的。 2. Im just as tired as you are! as . as 意为 和一样 ，表示同级的比较。使用时要注意第一个as为副词，第二个as为连词。其基本结构为：as + adj./ adv. + as。 e.g. This film is as interesting as that one. 这部电影和那部电影一样有趣。 Your pen writes as smoothly as mine. 你的钢笔书写起来和我的一样流畅。 as as 的否定形式为 not as/so + adj./adv. + as。 e.g. He didnt act as well as you. 他表现得不如你好。 3. For one week, she did not do any housework, and neither did I. neither 用作副词，作也不解释，放在句首，表示前面否定的内容也适用于另一个人或物，句子须采用部分倒装。此时也可用nor替换 neither 使用。例如： I dont like this dress. 我不喜欢这件连衣裙。 Neither / Nor do I. 我也不喜欢。 注意：neither 之后的主语要置于助动词或系动词之后。 neither 用作代词，表示两者都不，双方均不。例如： He answered neither of the letters. 他两封信都没回。 Which one would you like? 你喜欢哪一个？ Neither. 两个都不喜欢。 also, too, either, neither 的用法 一、 also 是比较正式的用语，语气较庄重。它通常放在句中，位于行为动词之前，连系动词之后; 如有助动词或情态动词，一般放在助动词或情态动词之后。例如: Peter also has two brothers. 彼得也有两个兄弟。 I am also a student. 我也是一名学生。 Mrs. Green can also sing the song in Chinese. 格林夫人也能用汉语唱这首歌。 二、 too 是普通用词，多用于口语，语气较随便。一般用在肯定句中，放在句末。例如: Im in Row 1, too. 我也在第一排。 注意：also和too一般都用于肯定句，很少用于否定句。 三、either 表示也时，一般只用于否定句，且置于句末。例如: I dont know him. Tom doesnt know him, either. 我不认识他，汤姆也不认识他。 If you dont go there, he wont go there, either. 如果你不去那儿，他也不会去那儿。 注意：either 本身没有否定的意义。所以多与 not 连用。 四、neither 表示两个都不，它作主语时，谓语动词常用单数。例如： Neither of you can do it. 你们两个都不能做这件事。Summary 1. New vocabulary last month, come over take the dog for a walk, watch one show all the time, the next day, neither did I 2. The minute I sat down in front of the TV, my mom came over. For one week, she did not do any housework, and neither did I. Im just as tired as you are! 考点/易错点1 Dad, must we wait until the light becomes green? Yes, Im afraid we_ .Thats the traffic rule. A. can B. may C. have to D. need 【答案】C【解析】考查情态动词的用法。由上文句意“我们必须等到灯变绿吗？”和下文句意“那是交通规则”可知，我们必须要等到灯变为绿色。have to“不得不”，强调客观上的要求。考点/易错点2 Can I borrow your ruler，please? Yes，you_. But you must return it to me before lunchtime. A. have B. can C. must D. used to 【答案】B 【解析】考查情态动词。答句意为“是的，你可以，但你必须在午饭之前归还给我”。can可以，所以选择B。考点/易错点3 Can I park my car in front of the building? No, you _. A. wont B. cant C. neednt D. couldnt 【答案】B 【解析】考查情态动词的用法。问句是由can引导的一般疑问句, 因此用cant作否定回答, 所以选择B。 三、例题精析【例题1】 【题干】Finish your homework first, then youll _ watch TV for an hour. A. can B. be able to C. able D could 【答案】B【解析】考查助动词用法。 will是助动词，其后应该用动词的原型，故选B。【例题2】【题干】“Which of the two dictionaries do you like better?”“I like _ , because theyre not useful.” Aboth Beither Call Dneither【答案】D【解析】后一个分句说“没有用”，当然是“两个都不喜欢。”【例题3】【题干】May I take this book out? No, you_. A. cant B. may not C. neednt D. arent【答案】A【解析】本题may引导的一般疑问句表请求，否定回答为：不，你不能。Cant意为“不能“，而may not 意为“可能不“，neednt意为”不必“，arent意为”不是或不“故选A。【题干】There are some trees on _ side of the street. A both Ball Ceither Devery【答案】C【解析】前一句说“她们都累了”，后一句说“他们都不愿停下来休息”，故填none四、课堂运用【基础】1. How many English words do you think I should know? As many as you _. Then you will find reading quite easy. A. will B. must C. can D. might 【答案】C 【解析】考查情态动词的用法。根据上句句意：你认为我应该知道多少英语单词？此处句意应该为：尽可能多的。can意为“能够”，符合句意，所以选C。2. This book is_ that one, but_ than that one. A. as difficult as; expensive B. as more difficult as; more expensive C. as difficult as; more expensive D. more difficult as; as expensive答案：C解析：前句是原级比较asas中间必须是原级，后句出现than，故用比较级，expensive的比较级前加more。故选C。【巩固】1. How many English words do you think I should know? As many as you _. Then you will find reading quite easy. A. will B. must C. can D. might答案：C解析：考查情态动词的用法。根据上句句意：你认为我应该知道多少英语单词？此处句意应该为：尽可能多的。can意为“能够”，符合句意，所以选C。2. Hurry up，or you _catch the train Acant Bneednt Cmustnt D. shouldnt答案：A解析：本题考查情态动词的用法。cant“不能”；neednt“没有必要”；mustnt“禁止，不可以”；shouldnt “不应该”。 由句意“赶快，否则你不能赶上火车”知选A。【拔高】1. -I will never come to this restaurants again. The food is terrible ! - _. A, Nor am I B, Neither will I C, Same with me D, So do I答案：B解析：上句有never 表否定，后句要表达也不，要用句型Neither/nor +be/助动词/情态动词+主语，此时时态要和上句保持一致，用will,故答案为B.2.翻译：他没去北京，她也没去过。答案：He has never been to Beijing, Neither has