被动语态讲解与练习1讲课稿.ppt
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1、被动语态讲解与练习1(The Passive Voice)一般现在时被动语态的构成:一般现在时被动语态的构成:主语主语+am/is/are+及物动词的过去分词及物动词的过去分词 动词过去分词的构成规则(与动词过去式构成规则一样):动词过去分词的构成规则(与动词过去式构成规则一样):1、一般在动词原形末尾加、一般在动词原形末尾加-ed,looked played2、结尾是、结尾是e的动词加的动词加-d,lived used3、末尾只有一个辅音字母的重读闭音节词,先、末尾只有一个辅音字母的重读闭音节词,先双写双写 这个辅音字母这个辅音字母,再加,再加-ed,planned tripped4、结尾是
2、、结尾是“辅音字母辅音字母+y”的动词,先变的动词,先变“y”为为“i”,再再 加加-ed,study-studied,carry-carried不规则的过去分词要牢记不规则的过去分词要牢记写出下列动词的过去式,过去分词:sing-sang-sungbuild-built-built1、speak()2、use()3、make ()4、write ()5、grow ()6、plant ()7、produce ()8、ask ()9、plan ()10、send ()11、build ()12、invite ()1、speak spoke spoken 2、use used used3、make
3、 made made 4、write wrote written5、grow grew grown 6、plant planted planted7、produce produced produced 8、ask asked asked9、plan planned planned 10、send sent sent11、build built built 12、invite invited invited不规则动词的过去分词要牢记请写出下列动词的过去式和过去分请写出下列动词的过去式和过去分词:词:sing-sang-sungbuild-built-builte.g many people sp
4、eak English.Englishis spokenby manypeople.主动语态变被动语态的步骤主动语态变被动语态的步骤:1 1、主动语态的宾语变为被动语态的主语;、主动语态的宾语变为被动语态的主语;2 2、主动句的谓语动词变为被动结构;、主动句的谓语动词变为被动结构;3 3、主动句的主语变为被动句的宾语,由、主动句的主语变为被动句的宾语,由byby引出,当不强调动引出,当不强调动 作的执行者时,常省略。作的执行者时,常省略。把下列的句子变为被动语态的句子:把下列的句子变为被动语态的句子:1、They speak English in Canada .(English.)2、Peo
5、ple use wood for making tables.(wood.)3、The make computers in the USA.(Computers)4、They grow rice in South China.(Rice)English is spoken in Canada.Wood is used for making tables.Computer are made in the USA.Rice is grown in South China.1、结构、结构 be+过去分词过去分词 (及物的及物的)2、各种时态的被动结构:、各种时态的被动结构:一般现在时:主语一般现在时
6、:主语+am/is/are+过去分词过去分词 The Chinese food _ to be the healthiest in the world.A.considers B.is considering C.is considered D.has considered 一般过去时被动语态的构成:一般过去时被动语态的构成:was/were+及物动词的过去分词及物动词的过去分词e.g 1、The bridge was built last year.2、It was used in the old days.3、The PRC was founded on October1,1949.1、结
7、构、结构 be+过去分词过去分词一般过去时:一般过去时:was/were+过去分词过去分词John _,for he went swimming yesterday without permission.A.would punished B.had punished C.punished D.was punished were planted The bridge waswas invitedplay把下列句子变成被动语态的句子;把下列句子变成被动语态的句子;1、They planted these trees on weekends .These trees on weekends.2、Th
8、e workers built the bridge in 1968 built by the workers in 1968.3、People invited Yao Ming to play basketball in The USA.Yao Ming to basketball in the USA.4、IBM produced this new type of laptop computer.This new type of laptop computer by IBM.was produced一般将来时:主语一般将来时:主语+will+be+过去分词过去分词The new schoo
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