高中英語必修3UNIT3THEWORLDOFSCIENCEPERIOD3USINGLANGUAGE課件

Unit3TheworldofsciencePeriod3

Usinglanguage語法精析課現(xiàn)在完成時的被動語態(tài)【體驗·悟】閱讀下面課文原句,回答以下問題。原句1Thisevening,I’llbetalkingtoDr.RichardFairhurst,whosenewbookThe

New

Age

of

Invention

hasjustbeen

published.原句2Iguessyouhavebeenaskedaboutthetitleofyourbookbefore.原句3Newinventionslike3Dprintershavebeen

usedtomakereplacementheartsandboneparts.【生成?得】現(xiàn)在完成時的被動語態(tài)及物動詞已經(jīng)完成承受者hashave【研學·析】Ⅰ.現(xiàn)在完成時的被動語態(tài)的形式1.現(xiàn)在完成時的被動語態(tài)的肯定式為:have/has+been+done?！鵗heexperimenthasbeendonesuccessfully.這個實驗做得很成功。2.現(xiàn)在完成時的被動語態(tài)的否定式為:have/has+not+been+done?！鵗heimportantprojecthas

notbeenfinisheduntil

now.那項重要的項目直到現(xiàn)在還沒有完成。3.現(xiàn)在完成時的被動語態(tài)的一般疑問句需將have/has提到主語的前面?！鵋ashisbikebeen

repaired?他的自行車修好了嗎?4.現(xiàn)在完成時的被動語態(tài)的特殊疑問句為:疑問詞+have/has+been+done?※Whohasbeeninvited?誰受到了邀請?【內(nèi)化?用】①Thisbook_____________________manylanguages.

這本書已被譯為多國語言。②Theseflowers________________,soyoucangohome.

這些花已經(jīng)被澆過水了,你可以回家了。③Hisbikes________________.

他的自行車已經(jīng)都賣完了。hasbeentranslatedintohavebeenwateredhavebeensoldoutⅡ.現(xiàn)在完成時的被動語態(tài)的用法1.表示動作已經(jīng)完成,強調(diào)對現(xiàn)在造成的影響或結果,經(jīng)常與一些副詞連用,如already,ever,never,recently,lately,just,yet等,通常把這些副詞放在助動詞have或has的后面,有時候也可以放在句末?！鵗om’snovelhasnotbeenpublishedyet.湯姆的小說還沒有出版。2.表示一直持續(xù)到現(xiàn)在的動作或狀態(tài),經(jīng)常與foratime,since,howlong,sofar等表示一段時間的時間狀語連用。※Thechildhas

been

taken

care

ofbyGrandmaall

these

years.這些年來,孩子一直由奶奶照看?！鵗hefriendlyrelationsandcooperationbetweenourtwocountrieshavebeenenhancedinthepastfewyears.我們兩國之間的友好合作關系在近幾年得到了加強?！緝?nèi)化?用】語法填空①Enough____________(say)hereonthisquestion.

②Manyoftheworld’sgreatestcities______________(build)onthebanksofrivers.

③