高三英语选修10Unit4grammarandusage教案

　　高三英语选修10unit4grammarandusage教案 5th period grammar and usage
　　language styles
　　ability goals
　　enable the students to learn to use proper language styles in proper situations.
　　learning ability goals
　　help the students to learn how to use proper language styles in proper situations.
　　teaching important points
　　teach differences between spoken and written english; differences between formal and informal styles.
　　teaching difficult points
　　help students learn how to choose proper languages styles according to the situations.
　　teaching methods
　　question-and-answer activity and practice
　　teaching aids
　　a computer and a blackboard
　　teaching procedure
　　i. greetings and revision
　　1.talk about the types of cybercrime.
　　2.how to fight against cybercrime.
　　ii. language styles
　　1.the most important difference in the english language style is between spoken and written forms of english. within spoken and written forms of english, there are also differences between formal and informal styles.
　　2.read the texts and decide which is formal and which is informal
　　text 1 informal
　　a. hi mike. it＂s alice＂s birthday tomorrow. shall we buy her a present?
　　b. yes, of course, what about some flowers?
　　a. flowers are lovely. but i＂d prefer to get her a cd. you know she loves music.
　　b. good idea.
　　summary
　　it uses simple sentence structures, the active voice, less formal language and contractions.
　　text 2 formal
　　a. good morning, mr. smith. the report is finished. shall i present it to you?
　　b. please give it to me in an hour. i have a meeting with some customers about our new product.
　　a. i am sorry to interrupt you. please inform me when you are finished and have time to look at the report.
　　b. yes, i will.
　　summary
　　it uses the passive voice and is obviously a formal setting between two professionals.
　　general guide
　　formalinformal
　　written textessays
　　reports
　　letters of applicationletters to friends or family
　　e-mails
　　text messages
　　spoken language
　　formal speeches
　　addressing strangerstalking to people we know well (family members and friends)
　　formal style
　　features
　　1)we often find complex sentence structures, including the passive voice and subordinate clauses.
　　subordinate clause
　　ordinary citizens are aware of the frequent computer-related crimes that happen since many computer users are affected by computer viruses.
　　passive voice
　　2)we also find more abstract nouns.
　　there has been an increase in the incidence of crime.
　　informal style
　　features
　　1)we often use simple sentence structures.
　　people are worried about computer viruses.
　　2)we often use active voice.
　　you should go to the university and talk to the detective in charge of campus police about the theft.
　　3)we also find a lot of colloquial language, and there are contractions.
　　we＂ve heard lots of reports of financial fraud
　　iii. practice
　　1. which text is formal and which is informal
　　text 1
　　good morning, viewers, and welcome to ＂sunday topics＂. many crimes that		  take place in our city are caused by a lack of money. my guest, dr. johnson, believes so. we will be covering this and many other topics, as well as talking to you, the public, about your thoughts on the issues of today. i hope that you are going to stay with us for the next forty minutes.
　　text 2
　　hi, everyone, and glad to see you again in ＂sunday topics＂. dr. johnson is my guest, and he says that many crimes that take place in our city are caused by a lack of money. we＂ll look at this and other interesting topics as well as chatting to you about today＂s issues. i think you＂ll like it, so stay with us.
　　analysis
　　text 1 : formal style
　　it features sentences with passive voice, subordinate clauses and abstract nouns.
　　text 2 : informal style
　　it uses colloquial language and contractions, as well as simple sentences and the active.
　　2. part a p.57
　　formalinformal
　　spokenb d ea j
　　writtenf hc i g
　　3. part b p. 57
　　a)
　　hey, you------ shut the door!
　　would you be so kind as to shut the door, please?
　　visitors are requested to shut the door quietly when leaving the building.
　　by order of the headmaster, these doors must be kept shut at all times.
　　please shut the door.
　　would you mind shutting the door?
　　6 3 1 2 5 4
　　b)
　　be quiet.
　　could i trouble you to turn the volume on the radio down a little, please?
　　visitors are politely requested to keep their voices down at all times.
　　shut up!
　　silence is requested in this area while the examinations are being given.
　　please stop talking!
　　5 3 1 6 2 4
　　c)
　　work in pairs and make a dialogue in a informal or formal style.
　　iv. homework
　　revise the grammatical points
　　do part c1 and c2 on page 124.
　　preview the task