When was it invented Section AGrammar Focus课件(共22张PPT)人教版九年级全册.pptxVIP

Unit6

Whenwasitinvented?;What’sthemostpopulardrinkintheworld?(afterwater);Whowasteainventedby?;;Whenwasthezipperinvented?;

Weboughtsomebooks.

;2.被动语态需要注意的几个方面:

(1)在主动句中,使役动词make，let，have,感官动词see，hear，feel，watch，notice等后接省略to的动词不定式作宾语补足语，在变成被动语态时,后面的不定式需加上“to”。

eg:Mymothermakesmegetupearlyeveryday.

=Iammadetogetupearlyeverydaybymymother.

(2)有些词,如系动词taste,feel,look,sound等常用主动语态表达被动的意思。eg:Thevoicesoundsnice.;2.被动语态需要注意的几个方面:

(3)主动语态的句中若有双宾语,变被动语态时，可将间接宾语(人）变为被动句的主语,而把直接宾语（物）留作被动句的宾语；或把主动句的直接宾语变为被动句的主语。此时间接宾语前常用介词for或to等来连接。

eg:Heboughtmeabook.

=Iwasboughtabookbyhim.

=Abookwasboughtformebyhim.

;1.一般过去时的被动语态结构式：

（1）肯定句：主语+was/were+动词的过去分词+(by+人称代词宾格)+其他

eg：Englishwasstudied(byus)everyday.

（2）否定句：主语+was/were+not+动词的过去分词+(by+人称代词宾格)+其他

eg：Englishwasnotstudied(byus)everyday.;(1)Themaninventedthezipperin1893.(改为被动语态)

Thezipperthemanin1893.

(2)Teawasinventedbyaccident.(对画线部分提问)

tea?

(3)DidUncleWanginventthemachine?(改为被动语态)

(4)Thetelephonewasinventedin1876.(对画线部分提问)

thetelephone?

(5)Chopsticksareusedforeating.(对画线部分提问)

arechopsticks?;4a;3.Wheredidyoutakethesephotos?

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4.Ourparentsadvisedusnottogooutalone.

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5.Differentwriterstranslatedthebookinto differentlanguages.

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_________________________________;Thefridgewassoldatalowprice.;Mycamerawasstolenfrommyhotelroom.;Wewereadvisednottogooutalonebyour

parents.;Thetelephone___________(invent)byAlexanderGrahamBell.He________(born)in1847.Mr.Bell________(work)ontheinvention