湖南省茶陵县高中英语 Unit 2 Sporting events Grammar and usage教案 牛津译林版必修4.doc

unit 2 sports eventsgrammar and usagemodal verbs: general introduction & comparisonsteaching aims:1. show ss that modal verbs can be used to talk about ability, obligation, certainty or permission, to make requests, suggestions, offers and to give advice.2. enable students to understand that some modal verbs can be used with the continuous form and the perfect form to talk about current affairs or past actions.teaching important points:1. develop the students ability of using modal verbs.2. how to make students master the usage of modal verbs.teaching difficult points:develop the students ability of using modal verbs and how to make students master the usage of modal verbs.teaching methods:explanation and exerciseteaching procedures:step 1 warming upsay some sentences to warm up students:now, many of us can speak english quite well, but a few years ago, we couldnt. yes or no?if we talk about the ability someone has, we use the modal verb can.if we want to express that it is necessary for us to do something, what modal verb do we use? mustwhat other modal verbs can you think of?step 3 presentation show the usage of the modal verbs on the screen.modal verbscan/could表能力(1) i dont think he can solve the problem without any help.(2) can you help me to work out this maths problem?ought to/should1.表示义务，“应该”，用于各种人称 you should respect your parents.you shouldnt spend much time surfing the internet.2.表示推测，“想必，估计”的意思。 if tom starts today, he should complete the project in time.3.表示与想象的不一样”照说应该” i wonder where mike is. he should be here now. you shouldnt have told david what mike told you. 4. 在表示建议, 命令, 要求动词后用虚拟 语气。1) my friends suggested that i (should) pay visit to shanghai next month.2) the chairman demanded that we (should) solve the problem at once.5. 表示惊讶, 忧虑, 惋惜等感情色彩。 i am really surprised that he should talk to his parents that way. rose should turn him down. rose ought to/will /must give me a hand whenever i am in trouble. have to/musthave to 表客观需求 must 表主观愿望 i have to finish the work before 7 oclock. we must make every effort to protect the earth. you must work hard to achieve your life goal.certaintymight/may/could/should/ought to/will /must rose might become upset at the news. rose may be pretty busy now. rose could cook meals for herself 2years ago.john isnt here to attend the party. h e must be reviewing his notes for the big exam tomorrow.make requests 提出要求will; can; could; woulda: can/will /could/would you lend me some money? it happens that i dont have any with me. b: yes, i can/will/can/will.make suggestions 提出建议shall we/i /he/she/they turn in the project today?shall常用于第一, 三人称, 表示征求对方意见a: shall he come in?b: ok.make offers 提出请求 ill wash your sports jacket. shall i get a ticket for you? shall we carry the books for you? shall i clean the blackboard for you?give advice 给出建议 you should not/ought not to speak to him like that. we should focus on our work. we should not laugh at those who are disabled.can/be able tocan 的形式只有can; could两种be able to 的形式有am/is/are able to; was/were able to; have/has been able to等多种can 一般指一个人的能力be able to 经过努力后而达到的一定程度 my brother can play table tennis. my brother is able to dive under water for 10 minutes.shall/ willshall表达诺言; will表示决心或决定1) take it easy. you shall be offered a job in this company.2) mike will spare no effort to study.mustnt /needntmustnt “禁止, 不许” 语气强烈neednt “不需要, 没有必要” 语气较为缓和1) you mustnt miss the speech to be delivered tomorrow. its of great importance.2) you neednt do that if you dont want to.3) must we clean the classroom? yes, you must. /no, you neednt.4) it is a five-minute walk from the station to my house. you neednt have taken a taxi.(however, you did take a taxi.)step 4 have a try: choosing the right wordanswers:1. (page 29) (1) must (2) has to (3)should (4) must (5)ought to (6) should2. (page31)a (1) can (2) can/could (3) may/might/ could (4) mustnt/shouldnt/cant (5) mustnt/shouldnt/cant (6) can (7) needntb (1) shall (2) shall (3) will (4) will/shall (5)will /shall (6) will step 5 practice1._iwaterthetreesontuesday? no,youneednt.a.canb.mustc.mayd.shall 2.he_notpayunlessheispunishedtopay. a.shall b.willc.cand.would 3.i_suchamistakeagain. a.shallnevermakeb.maynevermakec.canneverdod.need 4._iturnontheradio?youdbetternot.itisnoisyenoughinthisroom. a.shallb.mustc.needd.do 5.sincetheroadiswetthismorning,_lastnight. a.itmustrain b.itmusthaverained c.itmustberained d.itmusthavebeenrained 6.everyone_dohisbesttomaketheworldsafeandclean. a.can b.mayc.shouldd.hadto 7.they_thatfar;buttheystoppedtohaveasnackontheway. a.mightbegoneb.ne