【人教版】高中英语必修二：第4单元PeriodⅢLearningaboutLanguage (2)课件.ppt

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1、探究探究核心知识核心知识vPeriod Learning about Languagev第1步识记核心单词v.根据所给词性和汉语提示写出下列单词v_vt.&vi.咬；叮；刺痛v【答案】bite预学预学语言知识语言知识突破突破语法专项语法专项v第2步掌握高频短语v.根据所给汉语提示写出下列短语v1_追赶v2_像往常一样v3_阻止某人做某事v【答 案】1.run after 2.as usual3.keep sb.from doing sth.v.用以上短语的适当形式填空v1I just managed to _ myself _ falling.v2_，there werent many peo

2、ple at the meeting.v3The dog was _ a rabbit.v【答案】1.keep；from2.As usual3.running afterv第3步背诵重点句型v.背诵下列教材中出现的句型，体会黑体部分的用法vAfter a while she saw some zebra with black and white lines going beneath their stomachs.v过了一会儿她看到了一些斑马，它们身上有一直延伸到腹部的黑白相间的条纹。v1fit vt.&vi.适合；合适；使合身；合的身v(教材P28)Find the words that a

3、re related to wildlife protection in this unit and fit them into the boxes below.v找到本单元和野生动植物保护有关的词并填写在下面的表格里。vDoes the key fit the lock？这把钥匙能开这把锁吗？vfit/suit/matchfit指大小、形状的合适，引申为吻合、协调。suit指合乎需要、口味、条件、地位，以及花色、款式等与某人的皮肤、气质、身材或身份相称。match多指大小、色调、形状、性质等的搭配。v【特别提醒】当表示“使适合”的意思时，fit常与for连用；suit常与to连用。v选词填空

4、：fit/suit/matchvAs everyone knows，no dish _ all tastes.vHer shoes _ her dress；they look very well together.vThis coat _ you well.v【答案】suitsmatchfitsv2bite vt.&vi.(bit，bitten)咬；叮；刺痛；强忍(不说)n咬；叮；咬(叮/蜇)伤；(咬下的)一口v(教材P29)What should you do if you are being bitten by mosquitoes?v如果你正在被蚊子叮咬，你应该做什么？vBarking

5、dogs seldom bite.爱叫的狗不咬人。(谚)vOnce bitten twice shy.一朝被蛇咬，十年怕井绳。(谚)vbite at向咬去；冲叫骂；上当vbite back 反唇相讥；强忍不说出来vbite ones lips 压抑怒气或悲伤vbite ones tongue 强忍着不说vbe bitten by sth.热衷于(着迷)某事vI didnt believe her explanation but I bit my tongue.v我不相信她的解释，但忍着没说出来。vThat fish is biting at the fish food.v这条鱼去咬鱼饵。v【特

6、别提醒】“咬某人的腿”表示为“bite sb.in the leg”，而不是bite ones leg，即bite人介词the部位。vThe dog bit the thief in the leg.v那只狗咬了小偷的腿。v完成句子v请保护好自己，不要被蚊子咬了。vPlease protect ourselves _ by mosquitoes.v我妹妹的狗昨天咬了我。vMy sisters dog _ me yesterday.v邮递员因被狗咬了两次，拒绝给我们送信，除非我们把狗拴住。v_ twice，the postman refused to deliver our letters un

7、less we chained our dog.v【答案】from being bittenbitBittenv现在进行时的被动语态v一、现在进行时的被动语态的几种结构形式肯定结构be(am/is/are)being done否定结构be(am/is/are)notbeing done一般疑问结构be(am/is/are)主语being done特殊疑问结构特殊疑问词be(am/is/are)主语being donevThe plan is being carried out this month.(肯定句)v计划本月正在执行。vYour computer is not being repai

8、red now.(否定句)v现在没人修理你的电脑。vAre these fields being watered this week？(一般疑问句)这周有人在给这些地浇水吗？vWhere are you being interviewed now？(特殊疑问句)v现在你们在哪里接受面试？v【名师点津】现在进行时的被动语态表示主语是谓语动词所表示动作的承受者，且强调此动作正在(被)进行。v句型转换vThey are building a modern school in his hometown.vA modern school _ in his hometown.(改为被动语态)vA mode

9、rn school _ in his hometown.(把句改为否定句)v_ in his hometown？(把句改为一般疑问句)v_v(对句就in his hometown进行提问)v【答案】is being builtisnt being built Is a modern school being builtWhere is a modern school being built?v二、现在进行时的被动语态的用法v1表示此时此刻正在进行的被动动作。vMy sister is now being interviewed.v我妹妹正在面试。v2表示现阶段正在进行的被动动作(该动作在说话的

10、瞬间未必正在进行)。vMany interesting experiments are being carried out these days.如今许多有趣的实验正在进行着。(说话时，并不一定正在进行)v3表示一种经常性的被动行为，常和always，constantly 等表示频度的副词连用，这种用法常常带有赞扬或厌恶的感情色彩。vHe is always being praised by the leader.v他总是受到领导的表扬。v4表示按计划或安排主语将要承受谓语动词所表示的动作(仅限于少数及物动词)。vA party is being held tonight.v今晚将要举行一场晚

11、会。v完成句子v关于在哪儿建厂的问题正在被讨论。vThe question about where is the factory going to be built _ now.v正在设计一个保护自然资源的项目。vA project about protecting the natural resources _v受到攻击时应保持冷静。vYou should stay cool when you _v我感到很迷惑，我们商店的商品老是被偷。vI feel very puzzled that the goods in our shop _v【答案】is being discussed is bei

12、ng designedvare being attackedare always being stolenv三、使用现在进行时的被动语态要注意的问题v1不可漏掉being，若漏掉，则成为一般现在时的被动语态或系表结构。v2可与部分情态动词连用，表示对正在发生的事情的推测。vShe may be being punished by her mother.v她也许正被母亲惩罚着。v3有时可表示按计划或安排将要进行的一个被动动作。vA celebration is being held this weekend for his success.这个周末将为他的成功举办庆祝会。v4某些表示“状态、心理

13、活动、存在”等的动词，如have，want，need，love，一般不用现在进行时的被动语态，而常用一般现在时的被动语态。vWith the population increasing，more land is needed.v随着人口的增长，需要更多的土地。v5“beunder/inn.”可表示现在进行时的被动意义。vMy computer is under repair.vMy computer is being repaired.v我的电脑正在维修中。v判断正(T)误(F)vOur headteacher is being loved by all of us.()vThe book is being belonged to him.()vThe picture is hanging on the wall.()v一句多译v这条路正在被修建。v_(construction)v_(construct)v【答案】FFTvThe road is under construction now.vThe road is being constructed now.