湖北省大冶市金山店鎮(zhèn)車橋初級(jí)中學(xué)九年級(jí)英語《Unit9 Section A》課件 人教新目標(biāo)版.ppt

unit9whenwasitinvented sectiona fourgreatinventionsinancientchina paper making 造紙術(shù) compass 指南針 printing 印刷術(shù) gunpowder 火藥 talkaboutthehistoryofinventions thepassivevoice 被動(dòng)語態(tài) languagegoals grammarfocus findoutthenewwords invent n v inventor invention calculator n 計(jì)算器 themanyallhislife inventor invented inventions whatorderdoyouthinktheywereinvented numberthem 1 5 1 2 3 4 5 1a usebeinvened beforeorafter explanation 年份的讀法 兩位在一起讀 eg 197619002000readthefollowingyears174518251937 nineteenseventy six nineteenhundred twothousand seventeenforty five eighteentwenty five nineteenthirty seven listenandmatchtheinventionswiththedates a b c e 1b whenwas invented ithinkitwasinventedin 1927beld 1976john 1971 1876bell 1c pairwork whowas inventedby itwasinventedby thepassivevoice 被動(dòng)語態(tài) 英語中動(dòng)詞有主動(dòng)語態(tài)和被動(dòng)語態(tài)兩種語態(tài) 主動(dòng)語態(tài)表示主語是動(dòng)作的執(zhí)行者 被動(dòng)語態(tài)表示主語是動(dòng)作的承受者 在被動(dòng)語態(tài)中動(dòng)作的執(zhí)行者有時(shí)用by短語表示出來 被動(dòng)語態(tài)的構(gòu)成 助動(dòng)詞be 及物動(dòng)詞的 過去分詞 一般現(xiàn)在時(shí) 一般過去時(shí) thepassivevoice 被動(dòng)語態(tài) 主動(dòng)語態(tài)變?yōu)楸粍?dòng)語態(tài)的步驟 把原主動(dòng)句中的賓語轉(zhuǎn)換為被動(dòng)語態(tài)的主語 2 把動(dòng)詞改為被動(dòng)形式 即 be 過去分詞 注意be動(dòng)詞要按新的主語的人稱和數(shù)進(jìn)行變化 時(shí)態(tài)要和原來的主動(dòng)語態(tài)的時(shí)態(tài)保持一致 3 原來主動(dòng)語態(tài)句中的主語 如果需要 就放在by后面以它的賓格形式出現(xiàn) 如果沒有必要就可以省略 其他的成分 定語 狀語 不變 句式也不能變 thepassivevoice 被動(dòng)語態(tài) 主動(dòng)語態(tài)變被動(dòng)語態(tài)的結(jié)構(gòu)圖 bellinventedthetelephonein1876 thetelephonewasinventedbybellin1876 主語 謂語動(dòng)詞過去時(shí) 賓語 時(shí)間狀語 主語 謂語動(dòng)詞的過去分詞 賓語 時(shí)間狀語 thepassivevoice 被動(dòng)語態(tài) 主動(dòng)語態(tài)改被動(dòng)語態(tài) bell invented thetelephone in1876 was by thepassivevoice 被動(dòng)語態(tài) 主動(dòng)語態(tài)改被動(dòng)語態(tài) students planted trees inspring were by 把下列的句子變?yōu)楸粍?dòng)語態(tài)的句子 1 theyspeakenglishincanada english 2 peopleusedwoodformakingtables wood 3 theworkersmakecomputersintheusa computers 4 lileiwaterstheflowerseverymorning englishisspokenincanada woodwasusedformakingtables computeraremadeintheusa theflowersarewateredbylileieverymorning 5 didlileicleantheclassroonyesterday wastheclassrooncleanedbylileiyesterday wereplanted thebridgewas wasproduced 練習(xí) 1 manypeoplespeakenglish 2 theymadecomputersintheu s a 3 peopleusedknivesforcuttingthings 4 didpeopleusemetalformakingmachines 5 theyproducesilkinsuzhouandhangzhou 6 theyspeakenglishincanada 7 theywritebusinesslettersinenglish 8 theygrowriceinsouthchina 9 theyplantmanytreesinnorthchina 10 luxunwrotethisbook 11 theworkersbuiltsomebridges 12 wecanusetheboxasatable 13 weshouldcleantheclassroomeveryday thanksforlistening listenandnumbertheinventionsintheorderyouhearthem 1 2 3 2a listenagainandmatchtheitemsincolumnsa bandc 2b practiceconversationslikethis whenwas invented itwasinventedin whowasitinventedby itwasinventedby what situsedfor it susedfor translatethefollowingphrases 可調(diào)整后跟的鞋 shoeswithadjustableheelsbattery opratedslippersheatedicecreamscoopthestyleoftheshoeswhowassthinventedby 電池控制的拖鞋 加熱的冰淇淋勺 鞋的樣式 誰發(fā)明的某物 microwaveoven alarmclock lightbulb 3a whatdoyouthinkisthemosthelpful annoyinginventions helpful n ful adj usefulwonderfulbeautifulhopeful annoying adj 令人惱怒的 物annoyed angry 人 discuss 3b practiceconversationslikethisa whatdoyouthinkisthemosthelpful annoyinginvention b ithinkthemosthelpfulinventionis a whyisthat b well itgives helpspeople doyouthink為插入語 插入語在使用時(shí)的基本結(jié)構(gòu)是 特殊疑問詞 doyouthink 主語 陳述語氣 eg wheredoyouthinkthebookis ithinkthemosthelpfulinventionis i dliketohavea becauseicould it susedfor ialsowanta becauseit 4groupwork crazyinventions usedfordancing usedfordrivingandflying usedforwalkingandsinging usedforlivingandwalking usedfordrivingint