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课件网) Unit 8 People and Events Language Practice & Vocabulary If I have seen further,it is by standing on the shoulders of giants. 如果我比别人看得更远，那是因为我站在巨人的肩膀上。 Learning objectives knowledge objectives ability objectives emotional objectives To master the usage of modal verbs. To be able to use modal verbs in real situation. Learn more about the contributions made by people across time and space 现在进行时 Vocabulary 1. 2. Content 3. 4. Homework Warming up Warming up Part 1 Even mountains and seas cannot distance people with common aspirations. 志合者不以山海为远。 Warming up Could you teach me a little bit about it More people could buy paper and use it to record and share knowledge. I can’t live without it. Should I go there The Jingzhang Railway must go through an area of hills and mountains. Read the sentences，pay attention to the Words in italics 动词的 种类 动词 能够单独做谓语 连系动词 实义动词 助动词 情态动词 不能够单独做谓语 情态动词 Part 2 Lead-in 情态动词 can may must should might could shall have to 定义:表示说话人的情绪、态度或语气的动词。 情态动词本身具有一定的意义，不能单独做谓语，没有人称和数的变化，后面需接动词原形。 2）类别 ①只做情态动词:may, might, must… ②可做情态动词又可做实义动词：如：need, dare... ③具有情态动词特征：have(had,has) to,used to, ought to ④可做情态动词又可作助动词：如：shall(should),will(would) 情态动词 情态动词的用法 Can could 1）表示体力或智力上的能力，“能”“会” I/She/They can dance. 我/她/他们会跳舞。 2）表示请求或许可时，相当于may，“可以” Can I help you = May I help you Can I use your bike = May I use your bike 3）表示可能性 Can she be at home 她可能在家吗？ No, she can’t be at home. 她不可能在家。 could的主要用法： 1）could --can的过去式, 表示与过去 有关的能力或推测: eg. I can speak fluent English now , but I couldn’t last year. 2） could可以代替can表示请求, 但语气较can客气、委婉: eg. Could you lend me your dictionary Could I use your bike ★用could 提问，答语用can （即：could 不能用于现在时态的答语中） --Could I borrow your pen --yes, you can. 情态动词 情态动词 may和might 1）表示征求意见（比can较为正式） —May I come in —Yes, you can/may.—No, you can’t/mustn’t. 2）表示猜测，“可能” She may know the answer. She may be right. 3）表示祝愿; 但语气较正式: eg. May you succeed! May you have a good journey! may ★用may 提问，否定回答用 must not (mustn’t) 禁止、阻止 had better not 最好别 may not 不可以 attention！ might 的用法may 的过去时，表示可能性时，语气显得更加不确定。My friend might arrive this afternoon. 情态动词 情态动词 练习： （1）I_____ speak three languages. （2）When I was younger, I_____ run faster. （3）_____ I have a glass of water, please （4）_____ you pass the salt （5）It_____ rain tomorrow. can could May/Could Can may/might 翻译 shall 用法 1.表征求意见，用于一、三人称 ，（疑问句） Shall we go by train, Mom Shall he attend the meeting 2.用于二 、三人称 的陈述句中，表威胁、警告、命令、允诺等语气 He s ... ...
