2024年人教九年级英语 unit6 Grammar Focus-课件.pptVIP

Unit6;Review;被动语态(PassiveVoice);;

Weboughtsomebooks.

;主动句变为被动句所遵循的4个步骤：;被动语态的几种句型;被动语态的运用:

（1）不知道谁是动作的执行者或没

有必要知道谁是动作的执行者时。

Thehouseisquiteold.Itwasbuiltin1950.

这座房子太旧了，它是1950年建的。

Whenwilltheroadbeopenedtotraffic?

这条路什么时候通车?;（2）需要强调动作的对象即宾语时。

?Calculatorcantbeusedinthemathexam.

计算器不能用于数学考试。

?Hewasawardedfirstprizeinthatcontest.

他在比赛中获得了第一。

;有时为了礼貌等原因不愿说出行为者,这时也常用被动语态。

Theconstructionofthenewlabmustbecompletedbytheendofnextmonth.

新实验室必须在下个月底前完工。

Youarerequestedtogiveaperformance.

请你给我们表演一个节目。;Whenwasthecarinvented?

Itwasinventedin1885.

Whoweretheyinventedby?

TheywereinventedbyJulieThompson.

Whataretheyusedfor?

Theyareusedforseeinginthedark.;一般讲，被动语态可用于英语的各种时态。为了能准确地运用被动语态，重点是要掌握be动词的各种时态变化。各种时态的被动语态举例如下：???

1、一般现在时的被动语态：am/is/

are+动词的过去分词

Ourclassroomiscleanedeveryday.

ThiscarismadeinChina.;2、一般过去式的被动语态:was/were+

动词的过去分词

?????Hisdeskwascleanedjustnow.

?????Thestationwasbuiltin1928.

;Howdeliciousthesoupis!Whocookedit?;Whatabeautifulcarditis!Whomadeit?;Howcleantheclothesare!Whowashedthem?;2.Somebodystolemycamerafrommyhotelroom.;4.Ourparentsadvisedusnottogooutalone.

5.Differentwriterstranslatedthebookintodifferentlanguages.;1.Hewroteanarticlelastweek.;Exercise

Ⅰ.单项选择

1.---TodayChineseisbecomingmoreand

morepopular.

---It_______inmanyschoolsaroundthe

world.

A.teachesB.isteaching

C.hastaughtD.istaught;2.We_______toclosethewindowsbeforeweleftthelab.

A.tellB.told

C.aretoldD.weretold

3.---DidyouhearthatwaterinTaiLakesmeltterrible?

---Yes.Infact,it_______.Thatsal