Unit3TheworldofscienceGrammar课件-高中英语外研版（2019）必修第三册

Unit3TheworldofsciencePeriod4GrammarShehasfinishedherhomework.Someonehasbrokenthewindow.Activity1DescribethepictureswithPresentperfecttense.表示说话时已经完成的动作，而且这个动作的结果对现在仍有影响Hehastaughtinourschoolfor30years.表示动作发生在过去，但一直持续到现在，并且有可能继续持续下去Theenemyhaskilledyou.Youhavebeenkilledbytheenemy.Activity2Comparethesentencesandfindoutthedifference被动1.Iguessyouhavebeenaskedaboutthetitleofyourbookbefore.2.Iguesssomeonehasaskedyouaboutthetitleofyourbookbefore.3.Newinventionslike3Dprintershavebeenusedtomakereplacementheartsandboneparts.4.Peoplehaveusednewinventionslike3Dprinterstomakereplacementheartsandboneparts.找出下面句子的谓语结构，哪些是主动？哪些是被动？被动主动主动TheNewAgeofInventionhasjustbeenpublished.2.In

addition,

importantadvanceshavebeenmadeinmedicineandenvironmentalsciencethankstoincreasingcomputerpower.3.I’vealsobeentoldthatyou’reaninventoryourself.4.NothinglikethishasbeeninventedyetandI’dsay……Lookformoresentenceswiththepresentperfectpassive.现在完成时1.现在完成时谓语结构

主动被动have/hasdonehave/hasbeendone2.常连用的时间状语有：recently,for+段时间，since+时间状语(从句)，thesedays,sofar,uptonow,in/during/overthelast/pastfewyears/months/weeks/hours1.表过去开始的被动动作一直持续到现在.Activity3Explanation:现在完成时的被动语态HisChinesehasbeenimprovedalotsincehecametoChina.1.表过去开始的被动动作一直持续到现在.Activity3Explanation:现在完成时的被动语态Rowling’snovelshavebeentranslatedintomanyforeignlanguagessofar.2)表某被动动作对现在造成的影响或结果

Theroadhasalreadybeenbuiltformorethanoneyear.happen,takeplace,breakout,belongto,cost,last等不及物动词或词无被动语态。e.g.Greatchangeshavetakenplace

inChinasince1978.1.Rewritetheunderlinedpartsusingthepresentperfectpassive.Withinthenext80years,ourlivesmaybechangedbeyondrecognitionby3Dprinting.Ithasalreadyaffectedmanythingsinourlives,rightdowntothefoodweeat.Forinstance,somerestaurantsinLondonhaveserved3D-printedhamburgerstocustomers.Manythingsinourliveshave3D-printedhamburgershavebeenservedtocustomersinsomerestaurantsinLondon.alreadybeenaffectedActivity4ConsolidationButperhapsthemostsignificantsuccessthatpeoplehaveachievedtodateisinmedicine.

Theyhavemadehumanbodyparts,includingabeatingheart,with3Dprintingtechnology.Anditisnotjusthumanswhoarebenefiting-inBrazil,peoplehavegivenanew3D-printedshelltoaturtleinjuredinaforestfire!Butperhapsthemostsignificantsuccessthathasbeenachievedtodateisinmedicine.Humanbodyparts,includingabeatingheart,havebeenmadewith3Dprintingtechnology.Anew3D-printedshellhasbeengiventoaturtleinjuredinaforestfire!2.ImagineyouareDrMoore.Lookatthepicturesandtellthepoliceaboutthedamageandlosstoyourlab.Usethepresentperfectpassivewhereappropriate.Thewindowhasbeenbroken.Thelockonthedoorhasbeenbroken.Mytwolaptopshavebeenstolen.Beakersandtesttubeshavebeendestroyed.Thebookcasehasbeenopened,andsomefileshavebeentakenawaywhileothershavebeenthrowneverywhere.Therobothasbeendamaged.3.用括号内动词的正确形式填空。1.Thesamemistake_______________(make)manytimes.2.Morethan100famousfilms________________(show)inthecitysinceJuly.3.Forhistenthbirthday,Carlwantedabicyclebut________(give)aguitarbyhisparents.4.Althoughit_______________(play)manytimes,hestilllovesit.

5.Threenewschools_______________(open)inourcityinthepast5years.hasbeenma