被动语态复习课件-人教版八年级英语下册

被动语态ThePassiveVoice人教版八年级英语一.主动语态和被动语态

英语动词有两种语态，即主动语态（TheActiveVoice)和被动语态(ThePassiveVoice).

主动语态表示主语是动作的执行者，被动语态表示主语是动作的承受者。如：一.主动语态和被动语态Bellinventedthetelephonein1876.｛ThetelephonewasinventedbyBellin1876.(主动语态）(被动语态）Thelocalnewspaperinterviewedhim.Hewasinterviewedbythelocalnewspaper.｛(主动语态）(被动语态）二.被动语态的构成结构：“助动词be+及物动词的过去分词”.

助动词be有人称、数和时态的变化，其变化规则与be作为连系动词是完全一样。二.被动语态的构成Iam

askedaquestionbytheteacher.｛Heis

askedaquestionbytheteacher.be的人称变化Thedeskis

madeofwood.Thedesksare

madeofwood.｛be的数的变化二.被动语态的构成Thetallbuildingwas

builtlastyear.｛Thetallbuildingisbeing

builtnow.be的时态变化三.含有情态动词的被动语态结构：“情态动词+be+及物动词的过去分词”.如：Thetreesmaybeplantedinspring.

Theroommustbekeptclean.Teenagersshouldbeallowedtochoosetheirownclothes.四.被动语态的用法1.当我们不知道谁是动作的执行者时。Theyfoundthatthewindowwasbroken.2.当没有必要指出谁是动作的执行者时。EnglishisspokeninCanada.四.被动语态的用法3.当只需要强调动作的承受者时。Hislittlebrotherwastakengoodcareofyesterday.五.真题演练——单项选择1.Today,smartphonesarereallyhelpful.They____everywhere.A.useB.areusingC.areused答案：C.

C.areused五.真题演练——单项选择2.Hey,turnitoff!Music_____inthelibrary.A.didn`tallowB.isn`tallowedC.won`tallow答案：B.

B.isn`tallowed

五.真题演练——单项选择3.IheardthatmostofJeff`sbestbooks_____whenhewassickandpoor.A.hadwrittenB.werewritingC.werewritten答案：C.C.werewritten五.真题演练——单项选择4.--Whydidn`tyoucometoJim`sChristmasparty?Wehadagoodtime.--Iwantedtogo,but