8AUnit5Grammar课件.ppt

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1、Grammar单词回顾单词回顾学生早读时已预习过本单元单学生早读时已预习过本单元单词，可利用几分钟时间带学生词，可利用几分钟时间带学生快速回顾温习。对单词的熟练快速回顾温习。对单词的熟练度越高，阅读的速率也越高。度越高，阅读的速率也越高。closedbatbeelostget lostthe same assaveadj. 关闭的关闭的n. 蝙蝠蝙蝠n. 蜜蜂蜜蜂adj. 迷路的，迷失的迷路的，迷失的迷路迷路与与同样同样vt. & vi. 储存，节省储存，节省Words and expressions reviewTo learn to use may for possibilityTo le

2、arn to use verbs + to-infinitivesObjectives语法讲解建议采用归纳法，如尽可语法讲解建议采用归纳法，如尽可能多的呈现一些相关例句，或可让能多的呈现一些相关例句，或可让学生从已学课文中找相应例句，引学生从已学课文中找相应例句，引导学生试着从所观察到的语言现象导学生试着从所观察到的语言现象中总结出语言规则和语法规律。中总结出语言规则和语法规律。Look at the following sentences.1. We may go abroad. Im not sure. We may travel by sea. It may be cheaper. (新

3、概念新概念1 L131)2. “The play may begin at any moment,” I said. “It may have begun already,” Susan answered. (新概念新概念2 L19)3. Li Hua wants to play in the next World Cup. (七年级上册七年级上册 U2)4. I plan to eat more fruit and vegetables every day. (七年级上册七年级上册 U6)5. After dinner, we like to watch TV and chat there.

4、 (七年级下册七年级下册 U1)6. I love to sit there and look out at the beach and the sea. (七年级下册七年级下册 U1)7. I want to help sick people. (七年级下册七年级下册 U1)8. I started to play the violin at the age of six. (七年级下册七年级下册 U7)Sentences from this unit:1. I may die without them.2. At four months old, she weighed about eig

5、ht kilograms and started to go outside for the first time.3. When she was six months old, she began to eat bamboo.4. When she was 20 months old, she learnt to look after herself.5. As a result, pandas may not have a place to live or food to eat.6. If we do nothing, soon there may be none left!to tes

6、t your sense of observationto test your ability of short-term memory to test your ability to highlight the language pointsGuess1. We _ go abroad. Im not sure. We _ travel by sea. It _ be cheaper. 2. “The play _ begin at any moment,” I said. “It _ have begun already,” Susan answered. 3. Li Hua _ in t

7、he next World Cup. wants to playmaymaymaymaymay4. I _ more fruit and vegetables every day. 5. After dinner, we _ TV and chat there. 6. I _ there and look out at the beach and the sea. 7. I _ sick people. 8. I _ the violin at the age of six. plan to eatlike to watchlove to sitwant to helpstarted to p

8、lay9. I _ die without them.10. At four months old, she weighed about eight kilograms and _ outside for the first time.11. When she was six months old, she _ bamboo.12. When she was 20 months old, she _ after herself.13. As a result, pandas _ have a place to live or food to eat.14. If we do nothing,

9、soon there _ be none left!maystarted to gobegan to eatlearnt to lookmay notmayPeter _ come with us tonight, but he isnt very sure yet. A. must B. may C. can D. will Are you ready for the trip to the amusement park? We decide _ to an amusement park. We will go climbing.A. to go B. not go C. dont go D

10、. not to go 以上我们已经通过归纳总结和练习以上我们已经通过归纳总结和练习对本课的语法内容有了一定的了解，对本课的语法内容有了一定的了解，下面就让我们根据下面就让我们根据之前练习的考察情之前练习的考察情况进一步选择讲解况进一步选择讲解该语法项的重难点。该语法项的重难点。may可用来表示猜测某件事发生的可能性，可用来表示猜测某件事发生的可能性，常译为常译为“也许，可能也许，可能”。may通常用于肯通常用于肯定句与否定句，一般不用于疑问句。定句与否定句，一般不用于疑问句。例如：例如：The news may or may not be true. 这消息也许是真的，也许不是真的。这消息也

11、许是真的，也许不是真的。At the moment she may be playing with her classmates. 此刻她可能正在和同学们玩。此刻她可能正在和同学们玩。当我们要表示当我们要表示“想做某事、需要做某事想做某事、需要做某事或决定做某事或决定做某事”时，就会出现时，就会出现两个动词两个动词连用的情况连用的情况，这时应如何表达呢？，这时应如何表达呢？同学们自然会想到同学们自然会想到want to do sth.,need to do sth.和和decide to do sth.等表达方式。等表达方式。Using verbs + to-infinitivesKitty

12、is preparing to go out next Sunday.Kitty plans to take Linda out.Linda wanted to visit the park.Sandy agrees to go with them.Millie decided to stay at home.Please go on to look at the sentences below. Pay attention to the colored words.上面例子中上面例子中主要行为动词后面的动词主要行为动词后面的动词都采用了都采用了“to + 动词原形动词原形”的结构，我的结构，

13、我们把这种结构称为们把这种结构称为动词不定式动词不定式（有时（有时可以不带可以不带to）。）。动词不定式没有人称动词不定式没有人称和数的变化，在句子中不能单独作谓和数的变化，在句子中不能单独作谓语，其否定形式是语，其否定形式是“not to + 动词原形动词原形”。什么是动词不定式什么是动词不定式(to-infinitives)？We often use to-infinitives after these verbs. agree choose decide hope learn plan prepare want like start begin fail wish try remembe

14、r forget1. 当我们猜测某件事发生的可能性时，常当我们猜测某件事发生的可能性时，常 用用may来表示来表示“也许也许”、“可能可能”。2. 当句子中已经有谓语动词，而我们又要当句子中已经有谓语动词，而我们又要 表达不止一个动作概念时，其余的动词表达不止一个动作概念时，其余的动词 可以使用非谓语形式表达。动词不定式可以使用非谓语形式表达。动词不定式 就是动词的一种非谓语形式，其肯定形就是动词的一种非谓语形式，其肯定形 式是式是“to + 动词原形动词原形”，其否定形式是，其否定形式是 “not to + 动词原形动词原形”。无人称、数和时。无人称、数和时态态 的变化。的变化。请点击请点击

15、1. Dont forget _ your homework, John. Ok, Ill do it right now. 2011怀化怀化 A. doing B. do C. to do2. Have you decided which senior high school to choose? Not yet. I _ go to Moonlight School. 2012江苏南京江苏南京 A. must B. may C. need D. shouldI. 单项选择。单项选择。3. Excuse me, when are we going to have a picnic? Im n

16、ot sure, Ask our monitor, please. He _ know. 2012江苏扬州江苏扬州 A. need B. can C. may D. shall4. Do you have any plans for this weekend? Im not sure. I _ go climbing Mount Yuntai. 2012河南河南 A. must B. need C. may D. can5. Is Jim coming by train? Im not sure. He _ drive his car. 2012四川凉山四川凉山 A. must B. may

17、C. need6. Drivers shouldnt be allowed _ after drinking, or they will break the law. 2012湖北咸宁湖北咸宁 A. drive B. driving C. to drive D. to be drivenII. 完成句子。完成句子。1. 他可能认识你。他可能认识你。 He _ you. 2. 他们可能下周去长城。他们可能下周去长城。 They _ the Great Wall next week. 3. 我们同意马上离开。我们同意马上离开。 We agreed _ at once.4. Laura计划到中国一些

18、名胜之地旅游。计划到中国一些名胜之地旅游。 Laura _ some places of interest in China.5. 你愿意和他一起工作吗？你愿意和他一起工作吗？ Would you _ with him? like to work plans to visitto leavemay knowmay go to1. To preview Integrated skills on Pages 63 and 642. To learn to talk about how to protect wild animals1. Review the Grammar and make some sentences with may and verbs + to-infinitives.2. Finish the Exercises on Pages 61 and 62.Homework