2023鼎尖教案九年级英语.docx
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1、 2023鼎尖教案九年级英语 一、教学目标: 1. 语言学问目标: 1) 学习把握以下词汇:fridge,low,somebody, translate, lock, earthquake,sudden, allof asudden,biscuit,cookie, instrument 2)进展一步复习稳固学习Section A 局部所学的生词和词组。 3)进一步学习运用一般过去时态的被动语态。 4) 把握主动语态变被动语态的方法,并通过不同方式的练习,来娴熟运用。 2. 情感态度价值观目标: 培育想象力,擅长观看事物。面对难题,用积极的态度去解决,发挥想象力,熟悉世界,改造世界。 二、教学重
2、难点 1. 教学重点: 1) 学习生词fridge,low,somebody, translate, lock, earthquake,sudden, all of a sudden, biscuit,cookie,instrument 2) 复习稳固Section A 局部所学的生词和词组,到达娴熟运用的目标。 2. 教学难点: 1) 一般过去时态的句子变为被动语态。 2) 综合运用所学的学问进展练习运用。 三、教学过程 . Warming- up and revision 1. Haveadictationof the new words learned in the last class
3、. 2. Reviewsomemainphrases we learned in the last class. Check the homework. 3. Let someSstellsomething about how tea was invented by accident. Tellsomethingabouthow tea was invented by accident. One day ShenNongwasboiling drinking water over an open fire. Some leaves from a tea plantfellintothe wat
4、er and remained there for some time. It producedanicesmell so he tasted the brown water. It was quite delicious and oneoftheworldsfavoritedrink was invented. TellsomethingaboutLu Yu and his Cha Jing. Lu Yu “thesaintoftea” mentioned Shen Nong in his book Cha Jing.The bookdescribes how teaplants were
5、grown and used to make tea. It alsodiscusses wherethe finest tealeaves were produced and what kinds of water wereused. It isbelievedthattea was brought to Korea and Japan during 6th and 7th centuries.InEngland, teadidntappear until around 1660. The teatrade from China toWestern countries tookplace i
6、n the 19th century. . Grammar Focus. 1. 学生阅读Grammar Focus中的句子,然后做填空练习。 拉链是什么时候被创造的? _the zipper _? 它于1893年被创造。 It_in 1893. 它是由谁创造的? _itinvented _? 它是由惠特科姆贾得森创造的。 It_ Whitcomb Judson. 茶叶什么时候被带到朝鲜去的? _tea_to Korea? 茶叶在六到七世纪之间被带到朝鲜。 It _toKorea _the 6th and 7th centuries. 热冰淇淋勺用来做什么? What _thehotice-cr
7、eam _ _? 它用于挖很冷的冰淇淋。 Its_ _ really cold ice-cream. 电话机在1876年被贝尔所创造。 Thetelephone_ _ Alexander Graham Bell in 1876. 贝尔于1876年创造了电话机。 AlexanderGrahamBell _ the telephonein 1876. 2. 学生们依据记忆,看大屏幕来完成填空练习。 3. 学生们完成填空试题后,可以翻开课本检查答案,对错误的句子,单独进展强化记忆。 . Grammar 一般过去时态的被动语态的构成 英语有两种语态:主动语态和被动语态。主动语态表示主语是动作的执行者,
8、而被动语态则表示主语是动作的承受者。如:Wecleanedtheclassroom yesterday.我们昨天清扫了教室。(主动语态,主语we是clean这一动作的执行者) Theclassroomwascleaned yesterday. 教室昨天被清扫。 (被动语态,主语the classroom是clean这一动作的承受者) 一、一般过去时被动语态 一般过去时被动语态的构造为“主语+ was /were +及物动词的过去分词(+by+动作的执行者).”。如: Treeswereplantedlast spring. 去年春天种了树。 1. 确定句: 主语 + was/were +及物动
9、词的过去分词 +其他. Paper wasinventedbyChinese people two thousand years ago. 纸是中国人在二千多年前创造的。 2. 否认句: 主语 + was/were not +及物动词的过去分词 + 其他. Womenwerenotallowed to take part in the games at first. 开头妇女不允许参与奥运会。 3. 一般疑问句: Was/Were +主语 +及物动词的过去分词 + 其他? Werethesepictures drawn by your sister? 这些图片是由你妹妹画的吗? 二、被动语态的
10、用法: 1. 不知道谁是动作的执行者,或没有必要指出谁是动作的执行者。 e.g.Englishisspoken all over the world.全世界都在说英语。 2. 需要突出或强调动作的承受者。 e.g.Thisdictionaryis used by most students. 这本字典是大多数学生在用的。 三、主动语态变被动语态应留意的问题 1. 有些短语动词相当于及物动词,变为被动句时介词或副词不能去掉。 They putoffthe meeting because of theweather. Themeetingwas put off because of theweat
11、her. 会议因天气的原因被推迟了。 2. 含有双宾语的主动句变为被动句时,通常把指“人”的间接宾语变为主语,指“物”的直接宾语保存不变;假如把指物”的直接宾语变为主语,则在间接宾语前加to或for。 My auntgaveme an e-dictionary yesterday. I was givenane-dictionary yesterday. Ane-dictionarywasgiven to me yesterday. 3. 主动句中感官动词see/hear/watch/feel等和使役动词make/let/have等后跟省略to 的动词不定式,变为被动语态时应加上不定式符号to
12、。 I saw aheavymanenter the house. A heavy manwasseento enter the house. 4. 系动词、不及物动词或某些短语动词(happen, takeplace,come true, fall asleep)没有被动语态。 What happenedtoMr.Brown? 布朗先生发生了什么事? . Exercises 练一练 将以下句子变为被动语态。 1. He chosesixstorybooks the other day. Six storybooks_ by him the other day. 2. UncleLeegave
13、Jack a large cake for he painted the wall wonderfully. Jack _alarge cake for he painted the wall wonderfully. 3. A mouseatehalfof the cake last night. Half ofthe_ _ by a mouse last night. 将以下句子变为主动语态。 4.Werethesemachines invented by Edison? _Edison_these machines? 5. The postcardwassent to Linda by
14、Paul. Paul _thepostcard _ Linda. 6.Americawasdiscovered by Columbus. _Columbus discovered _? . Practice Work on 4a: 1. Tell Sstoreadthe sentences in 4a and rewrite the sentences using the passive voice. 2. 做题方法点拨例如: 点拨:原句为一般过去时态,原句的谓语动词为sold,宾语为thefridge;改为被动语态时,应将the fridge作主语,谓语动词用wassold的形式。 They
15、 soldthefridgeat a low price. The fridgewassoldat a low price. 点拨:分析原句的句子构造可知,stole是谓语动词,mycamera是句子的宾语;改为被动语态句时,应将my camera作句子主语,谓语动词用wasstolen的形式。 Somebodystolemycamera from my hotel room. My camerawasstolen from my hotel room. 学生们自主将其他三个句子变成被动语态。 3. 最终,教师与同学们一起校对答案,并对学生们有疑问的地方进展解释,或做出合理的分析点拨。 Whe
16、rewerethese photos taken? Wewereadvised not to go out alone. The bookwastranslated into differentlanguages by different writers. Workon4b:Completethe sentences with correct forms of the verbs in the box. 1. 让学生们阅读方框中的词汇,了解词汇及句子的意思,为进展填词做好预备。 eat,like,invite,tell, lock, ring, break, bring 2. 仔细阅读每个句子
17、,依据上下文确定空格处应填的意思。 3. 逐句进展分析推敲,然后分析句子的时态及语态,用适当的形式填空。 1)You_to the party last night, werent you? Why didnt you go? 2)Theearthquakehappened all of a sudden, but luckily the villagers _toa safeplace. 3)Thedoor_ when we arrived, so we _ the bell. 4)Thestudents_ not to eat or drink inclass,butRuby _ the
18、rule when she started eating a biscuit inscience class. 5)Thecookies_ by the hungry kids in less than 20 minutes, and theyreally_them. 4. 最终,通读一遍全部句子,进展综合理解,看句子的意思是否通顺,合理。 5. Checktheanswerswith the Ss. 1.wereinvited2. were brought 3. was locked,rang(前一句中,门是被锁的,故应用被动语态;后一句中,我们去按门铃,是主动语态。) 4. were to
19、ld,broke(前一句中,学生们是被告知不要做这些事情,故应用被动语态;后一句中,Ruby违反规章,则是主动语态。) 5. wereeaten,liked(前一句中,饼干是被孩子们吃掉了,故应用被动语态;后一句中,孩子们喜爱这些饼干,则是主动语态。) . Practice Work on4c:Decidewhether active or passive forms should be used in these sentences.Writethecorrect forms in the blanks. 1. 先通读小短文,了解大意。 Thetelephone_(invent) by Al
20、exander Graham Bell. He _ (born)in 1847.Mr. Bell_ (work) on the invention of the telephone with ThomasWatson. In 1875,Mr.Bell_ (learn) how to send musical notes through an instrument similartoatelephone. Finally, the telephone _ (invent) in 1876.Thefirstsentence that _ (say) on the telephone by Mr.
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