2-外研版高中英语必修一Module2-Grammar--link-words试讲教案.docx

2 Link wordsTeaching Objectives: Knowledge Objective:students learn how to use the link words :“but” “however” “although” and “while”, and how to make comparisons.Ability Objective:Students enable to sum up grammatical rules themselves. Emotional Objective:Ss can cultivate the logical thinking of turning and contrastTeaching important points Students grasp the usage of link words and comparisons.Teaching difficult pointsHow to write sentences with link words and using comparisons.Teaching methods: 1).deduction 2) group work cognitive approachTeaching aids: blackboard, multimediaTeaching type: GrammerTeaching Period: Period 2Teaching procedures:Step1: Lend-inAsk students to give some advice to rewrite a single sentence composition.Step2:Presentation1. Grouping :divide the class into 8 groups.2. Deduction 1: Ask them to deduct the usage of link words in Activity1 3. Racing1: Answer the questions in Activity1 4. Grammar teaching5. Racing2: students acetobethefirsttoanswer the question in Activity2 6. Deduction 2: Ask students to deduc the usage of link words in Activity3 7. Racing3: Answer the questions in Activity3 8. Grammar teaching9. Racing4: students acetobethefirsttoanswer the question in Activity4.Step3:practice1. Ask students to rewrite the composition to different forms with link words.2. Choose 2 students to present the composition at random.3. Praise the winner. Step4:SummaryChoose 5 Students to summary what we learnStep5:homeworkMake 5 sentences with what we learn today.Blackboard design But: conj. +sentences/phrasesHowever : adv. +fact / piece of information. +comma However, . ; .,however. , however, .While: coordinatingconjunction emphasize the difference Although : subordinatingconjunction surprise or unlikely Teaching ReflectionLink wordsGood morning, dear judges. Im the candidate NO X. My topic today is. Its my great honor to stand here to give my presentation. Hope you will like it. Shall we begin?1、 Greeting Class begins./ Good morning, class./Sit down, please.Good morning my dear class. Nice to see you again. we are going to learning two couples of link words(板书) with games and your thinking . That is “ but, however” and “although ,while ” ok ,open your books and turn to page 14.2、 Presentation1. Lead-in First of all, look at the PPT. there is a composition compound with 8 single sentences. You should rewrite it into 4 sentences without changing its form. What can we do? Please give me some advices. Just thinking.Yes, one method is that to use link words. But how to use it? Do you want to know? Ok, I will divide you into 8 groups, every 5 students should work together to do the activities in the whole class. The one who do the best will be the winner, whose names will stand on the honorroll for a whole day, and they will share their successes on the platform. Got it? Any questions?Ok, now who want to be the group leader. Ok, you,youWonderful.2. Racing1:Well, please look at the part one .there are three sentences that use link words “but or however”. Now ,you should read these sentences and think the difference between the two link words. Time is up. Ok , on the basis of these sentences, try to race to bethefirsttoanswerthe following question1.Dose however means the same as but? Which group is the most brave one. OK,G2,Lily. Lily says xxx. Mark 1 point to G22. Which link word begins a sentence?3. Which link word can join two parts of a sentence?4. Which link word is followed by a comma? Firstly ,however mean the same as but. Secondly, However begins a sentence Thirdly, But can join two parts of a sentence. Fourthly, However is followed by a comma.3. Grammar teachingWell, let me tell you the distinctive between but and however.（板书）But: but is a conjunction. it is used to connect sentences or parts of sentences. It is seldm used at the beginning of a sentence.However : is used especially in more formal writing with comma, for example: XXX (书上内容)4. Racing2:Now its your working time. Please discuss the PART2 in group. 2 minutes later, you can race to give me the answer. Ready ,go.Time is up. 1. In a developed country, people have nice clothes to wear but in a poor Country people have few clothes. 2. In a developed country, most people have a home but in a poor country，a much larger percentage of the population is homeless. 3. In a developed country, one can get good medical care but in a poor country，there is often no money for care. 4. In a developed countiy, people have small families but in a poor country，the families are larger.5 Part three:deductive the usage of link words in Activity36 acing3: Answer the questions in Activity3（板书）： While: We often use while to emphasize the difference between two situations, activities, and so on.(并列连词 coordinatingconjunction)it two facts and appears between.often compares although :we often use although introduce a situation that make you main sentence seem surprise or unlikely.(从属连词subordinatingconjunction) the clause can appear before or after the main clauses. Sometimes we can rewrite the sentence using the word “but”.step 5 Part four:1.Although developed countries are rich,they dont give enough financial help to developing countries. 2.Europe has a lot of industry while Africa does not have much. 3.In some parts of Europe,incomes are high while in other parts th