英语人教版九年级全册Unit5 Section A 1a—2d.ppt

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1、Passivevoice复习课：被动语态知识点再现:被动语态结构：be+动词的过去分词意义：强调主语是动作的承受者何时使用变化方法注意事项进入进入进入进入各种时态的被动语态结构:一般现在时态的被动语态结构:am/is/are+vt过去分词一般过去时态的被动语态结构:was/were+vt过去分词含有情态动词的被动语态结构:情态动词+be+vt过去分词变化：示例Theboybroketheglass.Theglasswasbrokenbytheboy.从主动语态变为被动语态1.主语介词by宾语2.谓语加be,并变为过去分词3.宾语主语1.一般可变为被动语态的动词为及物动词2.be动词可根据人

2、称、时态、数进行变化.3.不特别强调动作执行者时，by短语(即by和后面的宾语)一般可以省略NOTE注意事项：何时使用被动语态不知道或者没必要说明动作执行者是谁根据上下文，需要强调动作的承受者可以带宾语的短语动词和及物动词一样可以用于被动语态,但要注意不可丢掉后面的副词或介词.说练就练五种时态变化特殊情况下的变化1含有情态动词特殊情况下的变化2实站演练Thefarmersareplantingtrees.1.(变为一般现在时态被动语态)2.(变为一般过去时态被动语态)3.(变为一般将来时态被动语态)Treesareplantedbythefarmers.Treeswereplantedby

3、thefarmers.Treeswillbeplantedbythefarmers.4.(变为现在进行时态被动语态)5.(变为现在完成时态被动语态)Treesarebeingplantedbythefarmers.Treeshavebeenplantedbythefarmers.Thisworkmay_________today.（finish）Canmybike____________here?(mend)Thecarscan’t_____________here.（park）含有情态动词的被动语态，情态动词后面的be动词用原形befinishedbemendedbeparked1.We

4、callMr.SmithalivingLeiFeng.Mr.Smith_________alivingLeiFeng(byus).2.Tom’sfatherboughthimabook.He_____________abook(byhisfather)复合宾语或者双宾语的句子要注意:一般情况下把指人的宾语作为被动句的主语.wasboughtiscalled1.PleasepassthebooktoLily.ThebookispassedtoLilybyyouplease.2.Hegavemeabeautifulpresent.Iwasgivenabeautifulpresentbyhim.

5、感官动词(hear,see,watch,feel,notice等)和使役动词(let,makehave等)在主动语态中后接不带to的动词不定式,但是改为被动语态时,把to加在动词原形之前.Theymadetheboyswork12hoursaday.Theboysweremadetowork12hoursaday.Weoftenseehimgoforawalkbytheriver.Heisoftenseentogoforawalkbytheriver.1.Theteachersoftenmakeusreadbooksinthemorning.Weareoftenmadetoreadbook

6、sinthemorningbytheteachers.2.Wenoticedhimtalkwithmybrotherjustnow.Hewasnoticedtotalkwithmybrotherjustnow.3.WesawherhelpTomwhenweentertheroom.ShewasseentohelpTomwhenweentertheroom.4.Imadehimstopwhilehewasdoingthework.Hewasmadetostopwhilehewasdoingthework.1.---DidyougotoJim’sbirthdayparty?---No,I___

7、_____.A.amnotinvitedB.wasn’tinvitedC.haven’tinvitedD.didn’tinvited2.Tomakeourcitymorebeautiful,rubbish______intotheriver.A.needn’tbethrownB.mustn’tbethrownC.can’tthrowD.maynotthrow中考名题回顾3.Youmaygofishingifyourwor