高中英语 Period2 Grammar;Function;Pronunciation（Module5 A Trip Along the Three Gorges） 教案 外研版必修4

专心 爱心 用心1 PeriodPeriod 2 2 Grammar Function PronunciationGrammar Function Pronunciation TheThe GeneralGeneral IdeaIdea ofof ThisThis PeriodPeriod Grammar in this module is the revision of modal verbs This part can be led in by doing some exercises of modal verbs In this part we ll revise the usage of modal verbs such as can could must have to should etc Modal verbs are important and difficult English grammar points and it is rather confusing Ask the students to pay much attention to them In this part we ll deal with four activities The function in this module is talking about obligation permission and prohibition First the teacher may ask the students to speak out the way used to express obligation permission and prohibition The teacher can give them some examples Then ask the students to do the exercises There are four activities in pronunciation The aim is to make sure that the students can pause at the end of each sense group not making the sentence broken Teaching Important Points Encourage the students to sum up grammatical rules and the way to show obligation permission and prohibition Teaching Difficult Points To distinguish the usage of modal verbs and pause at the end of each sense group Teaching Methods Individual work and pair work to make every student work in class Teaching Aids Multimedia tape recorder 表示推测 否定为 may not 在表示推测的句子中 一般不用于疑问句 may 表 专心 爱心 用心7 示的可能性比 might 要大 may 有时可以表示祝愿 例如 You may keep the book for a week 这本书你可以保留一星期 She said I might use her dictionary 她说我可以用她的字典 They may be having a class now 他们也许现在正在上课呢 Mother may might be cooking now 我妈妈可能正在做饭 May you succeed 祝你成功 3 比较 can could 和 be able to 1 can could 表示能力 可能只用于现在时 can 和过去时 could be able to 可 以用于各种时态 2 表示过去成功地做了某事时 只能用 was were able to 不能用 could 注意 could 不表示时态 用于提出委婉的请求 注意在回答中不可用 could 例如 They will be able to tell you the news soon 他很快就能告诉你消息了 Could I have the television on 我能打开电视机吗 Yes you can No you can t 是的 你能 不 你不能 4 比较 have to 和 must 1 两词都是 必须 的意思 have to 表示客观的需要 must 表示说话人主观上的看 法 即主观上的必要 2 在否定结构中 don t have to 表示 不必 mustn t 表示 禁止 例如 My brother was very ill so I had to call the doctor in the middle of the night 我弟弟病得很厉害 我只得半夜里把医生请来 客观上需要做这件事 He said that they must work hard 他说他们必须努力工作 主观上要做这件事 You don t have to tell him about it 你不一定要把此事告诉他 You mustn t tell him about it 你一定不要把这件事告诉他 5 will 和 would will 表示意志 意愿 决心 用于各种人称 would 表示过去时间的意愿 是 will 的过 去时 will 表示请求 通常用于第二人称 would 表示更委婉的请求或建议 例如 I will never do such a thing again 这样的事我决不再干了 We tried to persuade him to come with us but he wouldn t 我们力图说服他一起来 可他不愿意 Help me with this luggage will you 请您帮我搬搬这件行李 好吗 专心 爱心 用心8 Would you do this for me 请你帮我做这个 行吗 6 shall 和 should 1 shall 用在主语是第一人称或第三人称的疑问句中 表示说话人征求对方的允诺 should 表示惊讶 意外 难以置信 常与 why who how 等连用 2 shall 用在主语是第二人称或第三人称陈述句中表示说话人的允诺或警告 should 对已发生的情况表示责备 结构为 should have 过去分词 例如 Why should I be angry with you 我哪会生你的气呢 Shall he come right now 要他马上过来吗 We should learn how to use computers 我们应该学会使用电脑 You shall do as your father tells you 你要照年父亲说的去做 Tell her that she shall have the book tomorrow 告诉她明天可以得到那本书 The new regulation shall take effect on Jan 1st 新规章自 1 月 1 日起施行 Language Points 1 forbid vt 禁止 不许 bade 或 bad bidden bidding Smoking is forbidden in the concert hall 演奏厅内不准吸烟 I forbade you to go swimming 我不准你去游泳 forbid sb to do sth forbid doing sth 既可以接 ing 又可以接不定式作宾语的动词 permit doing permit sb to do 允许做某事 allow doing allow sb to do 允许 某人 做某事 advise doing advise sb to do 建议某人做某事 encourage doing encourage sb to do 鼓励某人去做某事 例如 Do you permit your children to smoke 你准许你的孩子们吸烟吗 The government servants aren t allowed to accept rewards 公务员不得接受酬谢 I encouraged her to work hard and to try for the examination 我鼓励她用功并为这次考试作努力 The doctor advised me to take more exercise 医生嘱咐我多加锻炼 2 require vt 需要 要求 命令 The floor requires washing to be washed 地板该洗了 All passengers are required to show their tickets 专心 爱心 用心9 所有乘客都必须出示车票 He required that they should work all night 他规定他们整夜工作 require n pron require doing to be done require sb to do sth require that 从句用虚拟语气 should 动词原形 demand require request 和 ask 辨析