新目标九年级英语unit9课件.ppt

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1、SectionAUnit9Whenwasitinvented?gettheirearpierceddohomeworkwithfriendsdopart-timejobsshouldbeallowedtoThepassivevoice.被动语态被动语态的构成:be动词+(及物动词的)过去分词2.am(is,are)+done一般现在时3.was(were)+done一般过去时1.情态动词+be+done情态动词inventv.发明inventionn.发明inventorn.发明家Words:beinventedv.被发明In

2、ventionsintheMuseumLightbulb1.—Whoinventedthelightbulb?—Edison2.—whomwasthelightbulbinventedby?—ItwasinventedbyEdison—whomwasthecarinventedby?—ItwasinventedbyCarl.Carl—whomwasthetelephoneinventedby?—ItwasinventedbyBell.Bell—whomwastheplaneinventedby?—Itwasinventedby

3、theWrightbrothers.theWrightbrothersPhrases（短语）usedtodo过去常常做某事beusedtodoing习惯于做某事beusedfordoing被用来做某事beusedfordoing被用来做某事—Whatisthepenusedfor?—Itisusedforwriting.Microwaveoven—Itisusedforcookingandheatingfood(加热)—WhatisMicrowaveovenusedfor?Whatarelightbulbsusedfor?Th

4、eyareusedforgivinglight.lightbulbsWhatarethekeysusedfor?Theyareusedforgivinglight.thekeysWhatis…usedfor?It’s…usedfor…takingphotoswritingonittalkingtofriendsstudyingWhatare…usedfor?They’re…usedfor…eatingcuttingthingsknowingthetime187618851927Whenwas…invented?Itwasinv

5、entedin...19761971calculatorWhatis…usedfor?It’susedfor….练习题1.Chinese________(speak)bymoreandmorepeopleintheworld.2.—Didyougotojack’sbirthdayparty?—No,I_________.(notinvite)3.They_______(use)forseeinginthedark.4.Thebuilding________(build)in2009.5.It’susedfor________(

6、heat)food.6.Edisonwasagreat__________(invent).7.LinFengalwayshelpsothers,heisvery______(help).8.Whatdoyouthinkisthemosthelpful______(invent).9.He__________(goto)Qingdaobefore.10.Hisfatherisusedto_________(drink)teainthemorning.isspokenisn’tinvitedareusedwasbuiltheat

7、inginventorhelpfulinventionhasbeentodrinkingHomework:DescribeoneofyourinventionsAndthenwriteitdown.GoodBye!