B3U3TheworldofscienceUsinglanguage—Presentperfectpassive語法感知：①Iguessyouhavebeenaskedaboutthetitleofyourbookbefore.②Theinkhasnotbeenremovedfromtheclothes.③Haven’tyourproblemsbeensolved?④Howmanybuildingshavebeenbuiltinyourschool?Summary:1.以上例句中都使用了______________________()。2.以上例句中第①句是該時態的__________句式；第②句是__________句式；第③句是______________句式；第④句是_____________句式。一、結構肯定式否定式一般疑問式特殊疑問式據提示完成句子Thechildrenhavealreadybeentoldthegoodnews.→Thechildrenthegoodnewsyet.(變為否定句)→thegoodnewsyet？(變為一般疑問句)→thegoodnewsyet？(對thechildren進行提問)二、用法1.現完的被動語態:__________________________________________________，常與already，yet，just，never，recently等副詞連用。Themachinehasalreadybeenrepaired.2.表一個被動的動作或狀態開始于過去，持續到現在，并可能持續下去，常與for或since引導的時間狀語連用，或用于“Howlong...？”句型中Howlonghasthisfilmbeenshown?3.在時間、條件狀從中：用現完的被動語態代替將完的被動語態。Youshouldn’tleaveschoolbeforeyourhomework___________________(finish).注：常與現在完成時(_________________)連用的時間狀語：____________________________________________________________________________________________________________________________________________________________________________________________________________單句語法填空①Alargeamountofsolarenergy(convert)intoelectricalenergyinthepastfewyears.②Sofarmillionsofpounds’worthofdamage(cause)byastormwhichsweptacrossthenorthofEnglandlastnight.③Since1949，thepeople’slivingstandard(raise)，causingabigriseinpopulation.④Inthepastfewyears，morethan300marineandislandtourismandrecreationalzones(develop)inthecoastalareas，withavarietyofmarinefeatures.⑤Whenandwheretogofortheholiday(notdecide)yet.三、現完的被動語態與一過的被動語態的區別Thebigfirewasputouttwohoursago.Thebigfirehasbeenputout.四、注意事項1.帶有雙賓語的vt.(give，send，show，tell，lend，promise等)變為被動語態時:Thecompanyhasgivenhimachancetoworkabroadrecently.→He__________________________toworkabroadrecently(bythecompany).→Achancetoworkabroad______________________recently(bythecompany).2.不及物動詞(詞組)或表狀態的動詞(詞組)_________________________(happen，takeplace，breakout，belongto，cost，last,etc.)(1)將下面的句子變為被動語態①Ihaveaskedhertohelpyou.→Shetohelpyou.②Wehaveplantedmanytreesonthehillinthelast5years.→Manytreesonthehillinthelast5years.③Hehassentmeane－mail.→Iane－mail.→Ane－mailme.(2)單句語法填空④Shakespeare’splayHamlet(made)intoatlea