主动语态变被动语态ppt课件.ppt

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1、,Welcome to Our Class,The Active Voice and Passive Voice,学习目标和任务,下面各种时态的主动语态的构成结构,复习巩固,一般现在时：,主语+am /is/ are+其它主语+v/v-(e)s+其它,一般过去式：,主语+was/ were+其它主语+v-ed+其它,一般将来时：,主语+will/shall +v.原形+其它主语+be going to +v.原形+其它,过去将来时：,主语+would/should +v.原形+其它,现在进行时：,主语+am/is/are + v-ing+其它,过去进行时：,主语+was/were +v-ing

2、+其它,现在完成时：,主语+have/has +done+其它,过去完成时：,主语+had +done+其它,探索新知(一),主动语态改被动语态的方法：,主动语态：主语 + 谓语动词 + 宾语 +其它 （谁） （做） （什么）被动语态：主语 +be的适当形式+ +by+主语 （宾格变主格）及物动词的过去分词 （主格变宾格） 当主动语态中的主语为表示地点的名词时，在被动语态中应将其改为“in+名词”做地点状语。,归纳总结,把主动语态改为被动语态可按“一变、二套、三注意 ”来进行。即： 变把主动语态的宾语改为被动语态的主语，把主动语态的主语改为被动语态的介词by的宾语(in+地点）。 套根据原句的

3、时态套用相应时态。 注意注意人称的变化而引起的主谓一致问题。,探索新知（二）,各时态形式的被动语态的构成结构,一般现在时：主语+am/is/are + done+其它,一般过去时：主语+was/were + done +其它,一般将来时：主语+will/shall/be going to + be+ done+其 它,过去将来时：主语+would/should +be + done+其它,现在进行时：主语+am/is/are + being + done +其它,过去进行时：主语+was/were + being + done +其它,现在完成时：主语+have/has +been +done

4、 +其它,过去完成时：主语+ had +been + done +其它,含有情态动词的被动语态：主语+情态动词 + be + done +其它,各种时态的主动语态和被动语态谓语结构对照表,主语+am /is/ are+其它主语+v/v-(e)s+其它,主语+was/ were+其它主语+v-ed+其它,主语+will/shall +v.原形+其它主语+be going to +v.原形+其它,主语+would/should +v.原形+其它,主语+am/is/are + v-ing+其它,主语+was/were +v-ing+其它,主语+have/has +done+其它,主语+had +do

5、ne+其它,主语+情态动词+v原形+其它,主语+am/is/are + done+其它,主语+was/were + done +其它,主语+will/shall+be+done +其它主语+be going to + be+ done+其它,主语+would/should +be + done+其它,主语+am/is/are + being + done +其它,主语+was/were + being + done +其它,主语+have/has +been +done +其它,主语+ had +been + done +其它,主语+情态动词 + be + done +其它,知识应用,将下列主

6、动语态的句子变为被动语态。,1.The boy cleaned the desk a moment ago.,The desk was cleaned (by the boy) a moment ago.,2.She waters the flowers every day.,The flowers are watered (by her) every day.,3.They do their homework after school.,Their homework is done (by them) after school.,4.Tom is cutting down the trees

7、 on the hill.,The trees are being cut down by Tom on the hill.,知识应用,5.We will plant 2000 trees next year.,2000 trees will be planted (by us) next year.,6.The police have caught the thief.,The thief have been caught by the police.,7.You must keep the room clean and tidy.,The room must be kept clean a

8、nd tidy.,8. We had learnt 3000 words by the end of last term.,3000 words had been learnt (by us) by the end of last term.,9.Northwest China grows the best cotton.,The best cotton is grown in Northwest China,中考链接,Fill in the blanks with the Passive Voice. 1、Tea _ (grow) in Fujian. 2、Chinese _ (speak)

9、 in China. 3、The beds _ (use) for sleeping. 4、Our classroom _ (clean) yesterday evening. 5、The cars _ (make) in Beijing.,is grown,is spoken,are used,was cleaned,were made,小结： 这节课我们学习了什麽?懂得了什么?,探索新知(一),主动语态改被动语态的方法：,主动语态：主语 + 谓语动词 + 宾语 +其它 （谁） （做） （什么）被动语态：主语 +be的适当形式+ +by+主语 （宾格变主格）及物动词的过去分词 （主格变宾格）

10、 当主动语态中的主语为表示地点的名词时，在被动语态中应将其改为“in+名词”做地点状语。,探索新知（二）,各时态形式的被动语态的构成结构,一般现在时：主语+am/is/are + done+其它,一般过去时：主语+was/were + done +其它,一般将来时：主语+will/shall/be going to + be+ done+其 它,过去将来时：主语+would/should +be + done+其它,现在进行时：主语+am/is/are + being + done +其它,过去进行时：主语+was/were + being + done +其它,现在完成时：主语+have/has +been +done +其它,过去完成时：主语+ had +been + done +其它,含有情态动词的被动语态：主语+情态动词 + be + done +其它,