湖北省大冶市金山店鎮(zhèn)車橋初級中學(xué)九年級英語《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 被動語態(tài) languagegoals grammarfocus findoutthenewwords invent n v inventor invention calculator n 計算器 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 被動語態(tài) 英語中動詞有主動語態(tài)和被動語態(tài)兩種語態(tài) 主動語態(tài)表示主語是動作的執(zhí)行者 被動語態(tài)表示主語是動作的承受者 在被動語態(tài)中動作的執(zhí)行者有時用by短語表示出來 被動語態(tài)的構(gòu)成 助動詞be 及物動詞的 過去分詞 一般現(xiàn)在時 一般過去時 thepassivevoice 被動語態(tài) 主動語態(tài)變?yōu)楸粍诱Z態(tài)的步驟 把原主動句中的賓語轉(zhuǎn)換為被動語態(tài)的主語 2 把動詞改為被動形式 即 be 過去分詞 注意be動詞要按新的主語的人稱和數(shù)進(jìn)行變化 時態(tài)要和原來的主動語態(tài)的時態(tài)保持一致 3 原來主動語態(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 被動語態(tài) 主動語態(tài)變被動語態(tài)的結(jié)構(gòu)圖 bellinventedthetelephonein1876 thetelephonewasinventedbybellin1876 主語 謂語動詞過去時 賓語 時間狀語 主語 謂語動詞的過去分詞 賓語 時間狀語 thepassivevoice 被動語態(tài) 主動語態(tài)改被動語態(tài) bell invented thetelephone in1876 was by thepassivevoice 被動語態(tài) 主動語態(tài)改被動語態(tài) students planted trees inspring were by 把下列的句子變?yōu)楸粍诱Z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