高中英语 unit 3 life in the future 语法课时教案 新人教版必修5

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1、广东省德庆县孔子中学高中英语Unit3Lifeinthefuture语法课时教案新人教版必修5教学内容Thisisthefourthperiod,whichwillcenteronthegrammar:usingThepastparticipleTolearnaboutthethepastparticipleToknowthedifferencesbetweenthepastparticipleandthepresentparticiple.教学目标KnowledgeAimTolearnab

2、outthethepastparticipleAbilityAimTousethepastparticipleastheobjectcomplementfreelyandproperlyinspeakingandwriting.EmotionalAimsEncouragethestudentslearnmoreaboutthegrammar.Helpthestudentstoformthegoodhabitinlearning.Encouragethestudentstodomoreex

3、ercisestoconsolidatetheirknowledge.教学策略手段Atthebeginningofthisperiod,theteachershouldgivethestudentssometimetogooverwhattheylearnedinthelastperiod.Latertheteacherhadbetterpresentsomesentencescontainingthepastparticipleastheobjectcomplementonpurposeb

4、yaskingthestudentstodosomeexercises.Afterfindingthem,theteachercanaskthestudentstoanalyzethemandunderstandthefunctionoftheThepastparticipleastheobjectcomplementinthosesentences.Afterthattheteachershouldgivethestudentsclearexplanationsabouttheusageoft

5、hegrammar.Aftermasteringtherulesofthepastparticipleastheobjectcomplement,thestudentsshouldbegivenmoreexercisestoconsolidatewhattheylearn.一、过去分词作定语1．单个的过去分词或由过去分词构成的复合形容词作定语时，通常放在被修饰词的名词前面，代词后面。frozenfood冷冻食品fallenleaves落叶welleducatedman有教养的人anyon

6、ecaught任何被捕的人2．过去分词短语作定语时要放在名词后面。Thefishcaughtyesterdayis/arestillalive.昨天捉来的鱼还活着。Thetreesplantedbytheforeignvisitorsaregrowingwell.外国游客种的那些树长势良好。3.有些不及物动词必须和副词搭配才能作定语。wellbehavedchildren行为端庄的孩子newlycomevisitors新来的观光客4．表示情感的动词的过去分词。由表示情感或心理状态的动词转

7、化而来的过去分词作定语时，此类过去分词已经完全形容词化，常见的有：interested，frightened，scared，touched，puzzled，disappointed，moved等。某些过去分词已变作形容词，失去了动词的性质，所以可以被副词very，too等所修饰，并可有比较等级，如：advanced，blessed，contented，learned，pleased，tired等。TheUnitedSatesisthemostadvancedcountryintheworld.5

8、．过去分词和现在分词作定语的区别。(1)及物动词的过去分词作定语表被动，也可表完成，其现在分词表示主动或进行。boiledwater开水(被煮过的水)boilingwater沸水(正在沸腾的水)pollutedwater污水(被污染的水)freezingwind刺骨寒风spokenEnglish英语口语aspeakingbird会说话的鸟(2)不及物动词的过去分词作定语只有完成之意，其现在分词表进行或将来。fallenleaves落叶(已经落下来的树叶)afallingtide落潮(正在退落的潮