九年级英语下册 module5 Unit3教案 外研版

用心 爱心 专心1 九年级教学案九年级教学案 课题 M5u3M5u3 语法复习语法复习 情态动词情态动词 课型 复习课 教学 目标 归纳语法情态动词情态动词 巩固练习巩固练习 情态动词情态动词 重点 巩固练习巩固练习 情态动词情态动词 难点 归纳语法情态动词情态动词 教学 环节 教学内容措施矫正 激情 导入 抢答造句 自 主 预 习 指 导 尝 试 交 流 情态动词情态动词 情态动词有 can could may might must have to shall should will would dare dared need needed ought to 等 情态动词无人称和数的变化 不能单独使用 必须与其后 的动词原形构成谓语 1 1 can can couldcould 1 表示能力 体力 知识 技能 例如 Can you lift this heavy box 体力 Mary can speak three languages 知识 Can you skate 技能 此时可用 be able to 代替 Can 只有一 般现在时和一般过去式 而 be able to 则有更多的时态 例如 I ll not be able to come this afternoon 一般将 来时 当表示 经过努力才得以做成功某事 时应用 be able to 不能用 Can 如 He was able to go to the party yesterday evening in spite of the heavy rain 2 表示请求和允许 例如 Can I go now Yes you can No you can t 此时可与 may 互换 在疑问句中还可用 could might 代替 但 could might 并不表示过去式 只是语气更委婉 它们不能用于 肯定句和答语中 例如 Could I come to see you tomorrow Yes you can No I m afraid not 3 表示客观可能性 客观原因形成的能力 例如 They ve changed the timetable so we can go by bus instead This hall can hold 500 people at least 4 表示推测 惊讶 怀疑 不相信的态度 用于疑问句 否定 句和感叹句中 Can this be true This can t be done by him How can this be true 教学 环节 教学内容措施矫正 交 流 展 示 任 务 讨 论 展 示 2 2 may may mightmight 1 表示请求和允许 might 比 may 语气更委婉 而不是过去式 否定回答时可用 can t 或 mustn t 表示 不可以 禁止 例如 Might May I smoke in this room No you mustn t May Might I take this book out of the room Yes you can No you can t mustn t 用 May I 征徇对方许可时比较正式和客气 而用 Can I 在口语中 更常见 2 用于祈使句 表示祝愿 例如 May you succeed 3 表示推测 可能性 不用于疑问句 might 不是过去式 它所 表示的可能性比 may 小 例如 He may might be very busy now Your mother may might not know the truth 3 3 must must havehave toto 1 表示必须 必要 例如 You must come in time 在回答引出的问句时 如果是否定的 不能用 mustn t 禁止 不 准 而用 needn t don t have to 不必 例如 Must we hand in our exercise books today Yes you must No you don t have to you needn t 2 must 是说话人的主观看法 而 have to 则强调客观需要 Must 只有一般现在时 have to 有更多的时态形式 例如 His play isn t interesting I really must go now I had to work when I was your age 3 表示推测 可能性 只用于肯定的陈述句 例如 You re Tom s good friend so you must know what he likes best Your mother must be waiting for you now 4 4 dare dare needneed 1 dare 作情态动词用时 常用于疑问句 否定句和条件从句中 过去式形式为 dared 例如 How dare you say I m unfair 2 need 作情态动词用时 常用于疑问句 否定句 在肯定句中一 般用 must have to ought to should 代替 例如 You needn t come so early Need I finish the work today Yes you must No you needn t 3 dare 和 need 作实义动词用时 有人称 时态和数的变化 在 肯定句中 dare 后面常接带 to 的不定式 在疑问句和否定句中 dare 后面可接带 to 或不带 to 的不定式 而 need 后面只能接带 to 的不定式 例如 I dare to swim across this river He doesn t dare to answer 5 5 shall shall shouldshould 1 shall 用于第一人称 征求对方的意见 例如 What shall we do this evening 2 shall 用于第二 三人称 表示说话人 给对方的命令 警告 允诺或威胁 You shall fail if you 用心 爱心 专心2 don t work hard 警告 He shall have the book when I finish it 允诺 He shall be punished 威胁 教学 环节 教学内容措施矫正 交 流 展 示 任 务 讨 论 展 示 6 6 will will wouldwould 1 表示请求 建议等 would 更委婉 例如 Will Would you pass me the ball please 2 表示意志 愿望和决心 例如 I will never do that again They asked him if he would go abroad 3 would 表示过去反复发生的动作或某种倾向 would 表示过去习 惯时比 used to 正式 且没有 现已无此习惯 的含义 例如 During the vacation he would visit me every other day The wound would not heal 7 7 shoshould uld oughtought toto 1 should ought to 表示 应该 ought to 表示义务或责任 比 should 语气重 I should help her because she is in trouble You ought to take care of the baby 2 表示劝告 建议和命令 should ought to 可通用 但在疑问 句中常用 should You should ought to go to class right away Should I open the window 3 表示推测 should ought to 客观推测 must 主观推测 He must be home by now 断定他已到家 He ought to should be home by now 不太肯定 This is where the oil must be 直爽 This is where the oil ought to should be 含蓄 一 选用 can could may must shall should will would can t mustn t needn t 或 have to 1 There is air around us thought we see it 2 Your mother is getting better and better You worry about her 3 You play football in the busy street 4 it be true Yes It be true indeed 5 Tom come to the party tonight but I m not sure 6 you please fetch me some water for me 7 Young trees be planted in spring 8 Must we hand in our exercise books today Yes you No you 9 May I take this magazine out of the reading room Yes you No you 10 Please speak a little louder so that I hear you 二 1 If you are not careful in the street a car hit you A can B may C would D must 用心 爱心 专心3 2 May I watch TV now mum No you You do your homework first A don t must B don t can t C can t must D can t can 教学 环节 教学内容措施矫正 反 馈 与 巩 固 穿 插 巩 固 3 Mr John we must hand in our work today No you But you must bring it to school tomorrow A needn t we mustn t B mustn t we needn t C mustn t you mustn t D needn t we needn t 4 He isn t in the school I think he be ill A can B shall C must 5 Children play on the road or in the street It is dangerous A may not B mustn t C couldn t D needn t 6 Even the top students in our class can t work out this problem so it be very difficult A may B must C can D need 7 Can you ride a bike No I A may not B can t C needn t D mustn t 8 Must I return the book this morning No you But you return it before supper A needn t must B mustn t can C mustn t may D can t need 9 You to go and see the doctor right now A must B should C have D will 10 Don t play with the knife You hurt yourself A may B should C have to D need 三三 1 What I do for you madam A may B must C can D will 2 You re made the same mistake again How you be so careless A shall B may C can D must 3 Peter come with us this afternoon but he isn t very sure yet A shall B may C can D must 4 Don t worry The news be true A may not B mustn t C will not D needn t 5 The traffic stop when the lights are red in the street A can t B don t have to C mustn t D must 6 Look It be the new headmaster It be him He went to Beijing yesterday A can mustn t B can can t C must can t D must may 7 I close the window It s so cold