被动语态讲解(共33张PPT).pptxVIP

被动语态讲解;1.Teenagersshouldbeallowedtochoose

theirownclothes.;语态：表示主语和谓语动词之间的关系。

英语有两种语态，即主动语态和被动语态。;助动词be有人称、数的变化,其变化规则与be作为连系动词时一样。

如：Thedeskismadeofwood.

Thedesksaremadeofwood.

Heisaskedaquestionbytheteacher.;bymanystudents.;;TheyplayfootballonSunday.

Lucydoesthehomeworkintheevening.

Theyoftenusecomputersinclass.

WemakethesemachinesinBeijing.

;肯定句：主语＋be+过去分词＋(by~)

否定句：主语＋benot＋过去分词＋(by~)

一般疑问句：Be＋主语＋过去分词＋(by~)?

特殊疑问句：

疑问词＋be＋主语＋过去分词＋(by~);1.Theyboughttencomputerslastterm．;Theybuiltthetallbuildinglastyear.

Hetookgoodcareofhislittlebrotheryesterday.

Wecleanedourclassroomjustnow.

Theyusedthisroomforresting.

;3.一般将来时的被动语态结构：;Wewillhaveasportsmeetingnextweek.

Childrenwilltakesomephotosinthe

schoolyardtomorrow.

Theheadmasterwillgiveatalkthisafternoon.

;4.含有情态动词的被动语态结构：;主谓宾宾补

Lucydoesthehomeworkintheevening.

主动语态：表示主语是动作的执行者。

一般疑问句：Be＋主语＋过去分词＋(by~)?

6)Theyhadcompletedtherailwaybytheendoflastyear．

Thisroomwasusedforrestingbythem.

ManystudentsstudyEnglish.

havetakenplaceD.

Hetookgoodcareofhislittlebrotheryesterday.

bythemintendays.

Iwillhaveameeting.

Englishisspokenbymanypeople.

即feel,hear,listen,have,make,let,look,watch,see,notice，这些词在主动句中，其后的动词不定式不加to，但变被动句时必须加to.

Has…finished

takecareof－betakencareof

Weoftenhelpeachother.;四、汉语中含有“被”、“由”等词时。

例如：

TinaisaskedtocomebyPaul．

Tina是被Paul叫来的。

五、某些句子习惯上用被动语态。例如：

HewasborninOctober，1989．;6.现在完成时的被动语态的结构;表格：被动态基本结构;Suchbooksarewrittenforchildren.

这些书是为儿童写的。

Ihaven’tbeentoldaboutit.没有人告诉我这件事;如：1.Hegavemeabook.

－Iwasgivenabookbyhim.（以I做主语）

－AbookwasgiventomebyTom.（以物book作主语）

2.HeteachesusEnglish.

－WearetaughtEnglishbyhim.（以人当主语）

－Englishistaughttousbyhim.（以物作主语）;whendidithappenB.

wouldbedone

hadbeendone