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1、 Unit 1 Festivals around the worldPeriod 4 Grammar 班级 姓名 课型： 新授课 编写人: 编号: 04 Learning aims：master the following modal verbs: may/ might, can/ could, will/ would, shall/ should, must/ cant.Important points and Difficult points : 1.can, shall用法 2. must/cant3.在具体语境中正确的使用情态动词。学法指导1. 自我探究式学习和合作交流式学习；2. 运
2、用对比法总结规律。课前【预习热身 激情投入】Learning procedures:情态动词的定义：情态动词主要用来表说话人的看法、意愿、态度等。从用法上来说，它有如下几个特点：1. 情态动词本身都有一定的词义；2. 情态动词不能单独做谓语；3. 情态动词没有人称和数的变化；4. 情态动词后接不带to的不定式（除ought to 和used to 外），即接动词原形。语法知识储备：一、can 和could：1.表能力, 常译为“能，会”， could指过去时间。2.表示推测，意为“可能”“或许”，用于疑问句或否定句3.表示“请求” “允许” (表请求时，口语中常用could 代替 can 使语
3、气更委婉，回答时用can)4.表示“许可”，可与may 换用。5.用于疑问句或否定句或感叹句中时，表猜测、惊讶、不相信等，“可能、能够”。could猜测的可能性更小。6. cant/ couldnt +have + done 不可能表示对过去情况的否定推测单元展示一：请仔细体会下列句子，并说一说他们对应以上的哪一种用法。1.Can this news true?2. I though what he said could not be true.3. Some of us can use the computer now,but we couldnt last year.4The new-bu
4、ilt theatre can seat 1500 people.5 Can/Could I use your dictionary?6.Could you lend me a hand?7.You can go home now.8.I believe that he cant be so rude.9.He is an honest man, he couldnt be telling lies.10.Its a pity. Your class could have got the first prize.二：may 和might ：1. 表示“许可”或“请求”，在这样的句中，might
5、比may语气更委婉，客气。 肯定回答用may或can，否定回答时用mustnt或cant，表示“不可以”或“禁止”。2. 表示可能性，多用于陈述句，否定用may not 表示“可能不” 。might 比 may可能性小。3. may/ might as well + 动词原形 “还是的好” 用于祈使句表祝愿。4. may have done 和might have done 表示对过去的推测。单元展示二：请仔细体会下列句子，并说一说他们对应以上的哪一种用法。1. - May I come in ? - Yes, you may/can. 2.It might be true.3. It may
6、 be a trick.4. He may not come today. 5. You may as well go and have a look.6. May you succeed! 7.May God bless you!三、will和would：1表示意愿 表示愿意做或主动提出做，如意志,愿望或决心2表示习惯(habit, custom) 3表示请求（request）, 用于第二人称, would 比will 更委婉。 单元展示三：请仔细体会下列句子，并说一说他们对应以上的哪一种用法。1.That bag looks heavy, Ill help you with it.( of
7、fering to do sth)2.This old man is strange. He will sit for hours without saying anything.3. We would sit around Grandpa after supper, listening to his stories.4.Will you come this way, please?5.Would you open the window? 四、shall和should：. 1. shall 在疑问句中用于第一，第三人称，表示征求对方的意见。2.shall 用于第二，第三人称，表示说话人给对方的
8、命令，警告，允诺或威胁。3.should 表示劝告、建议、命令。4.should 表示期待，用于表达合理推断（prediction，意为“应该” ），或明显的结果（意为“可能”）且所期待的事几乎是事实。单元展示四：请仔细体会下列句子，并说一说他们对应以上的哪一种用法。1.You shall fail if you dont work harder. 2.He shall have the book when I finish reading it. 3.He shall be punished.4.Shall we put off the sports meeting until next m
9、onth?5.You should go to class right away.五、must和cant： must 用来表示“命令”、“推测”等含义。1）表示规定、指令表示规定、指令时主要指客观上的法律、条文规定，常常翻译为“应该、必须”之类意思。mustnt表示禁止2) 表示主观的命令、禁止时，主要指说话者主观的命令或强烈的劝告。3）表示猜测，语气非常肯定，近乎确定的意味，一般用于肯定句，意为肯定。其否定为cant，意为不可能. 。 单元展示五：请仔细体会下列句子，并说一说他们对应以上的哪一种用法。1.You must be ill. I can see it from your face
10、.2.You must have a passport if you want to go abroad.3.You can go out with your friend but you must come back before 11 at night. “日清过关”巩固提升三级达标训练题基础题：选词填空Can, cant might ,will wouldnt should shouldnt must1.I m going to Europe on vocation together with John if I find the money.2.Days later, my broth
11、er called to say he was all right, but say where he was.3.I was really anxious about you , you have left home without a word.4.- you interrupt now ?cant you see I m on the phone. -Sorry Sir,but its urgent.5.They have arrived at lunchtime but their flight was delayed.6.-Why are your eyes so red? You
12、have slept well last night.7.-Write to you when you get home .- I 8.- I left my handbag on the train , but luckily someone give it to a railway official.-How unbelievable to get it back! I mean, someone have stolen it .发展题 ：完成句子1.She (过去常开别人的玩笑）others.2.It (可能是一种习俗）3.She (一定擦过了）the table, for the table is very clean.4.You （本应到达）earlier.5.She (不能来了） ,for her boss asked her to finish a lot of work today.6Never leave that until tomorrow, which you can do today. 今天的事不要拖到明天。