译林牛津版高中英语必修4课件Unit3tomorrowsworldGrammarandusage课件

Unit3tomorrowsworldGrammarandusage课件Unit3tomorrowsworldGrammarTheman_________(call)“Goodhusband”.iscalledTheman_________(call)“GoodThepetdog________________(treat)byveterinary.isbeingtreatedThepetdog________________(tAfrog__________(catch)byabigbirdjustnow.wascaughtAfrog__________(catch)bybe+doneThepassivevoicebe+doneThepassivevoiceam/is/are

一般现在时am/is/are+being现在进行时shall/will+be一般将来时have/has+been现在完成时+donebeam/is/aream/is/are+beingshall+donewas/were

一般过去时was/were+being过去进行时would+be过去将来时had+been过去完成时be+donewas/werewas/were+beingwHowcanwechangeasentenceintothepassivevoice?1.Findouttheobjectofthesentenceanduseitasthesubjectofthesentencewiththepassivevoice.2.Decidethetenseofthesentenceandusetherelatedformofitspassive.3.Ifnecessary,use“by”tojointheformersubject,whichshouldbeputintoitsobjectform.HowcanwechangeasentenceiWhendoweusethepassivevoice?Manyhouseswillbebuilthere.1.不知道或没必要指出动作的执行者。Thesong“TheEastisRed”waswrittenbyapoorpeasant.2.强调动作的承受者。WhendoweusethepassivevoiTheplanwassupportedbythosewhowishedtohavemorechancestospeakEnglish.3.动作的执行者有较长的修饰语。Youarerequestedtoattendthemeeting.4.出于礼貌，不愿意说出动作的执行者。TheplanwassupportedbythosChangethefollowingsentencesintothepassivevoice:1.Allofuslikeher.2.Wearediscussingthequestion.3.Wehaveputoffthemeeting.4.Iwilldevelopmypicturenextweek.Sheislikedbyallofus.Thequestionisbeingdiscussed.Themeetinghasbeenputoff.Mypicturewillbedevelopednextweek.ChangethefollowingsentencesFillintheblankswiththerightformofthewordsgiven:I___________(give)anewbookbymyfatheronmybirthday.English___________(find)veryuseful.3.Thework______________(finish)tomorrow.4.Theflowers______________(water)bythemnow.wasgivenisfoundwillbefinishedarebeingwateredFillintheblankswiththeriTherailway________________(build)thistimelastyear.Thenewway_______already_________(build).Thenewrailway___________(build)bytheendoflastyear.Hetoldmethesportsmeeting____________(hold)thenextmonth.Rice___________(grow)inthesouthoftheStates.wasbeingbuilthasbeenbuilthadbeenbuiltwouldbeheldisgrownTherailway________________(Modalverb+be+doneModalverb+be+doneWecanusemodalverbsinthepassivevoicetotalkaboutability,possibility,duty,permission,etc.FirefighterscouldbetrainedusingRealCine.Computerscancalculatethepositionofthevieweratanytime.Thepositionoftheviewercanbe

calculatedatanytime.WecanusemodalverbsinthePractice:1.Theviewercantouchtheobjectsinthefilm.2.Theviewermayfeelarealsenseofachievementandhappiness.3.RealCinemightnotimpresssomeviewers.Theobjectsinthefilmcanbetouched.Arealsenseofachievementandhappinessmaybefelt.SomeviewersmightnotbeimpressedbyRealCine.Practice:1.Theviewercantou4.TeacherscoulduseRealCineintheclassroomtoo.5.Film-makersshoulduseRealCineforallfilms.6.ScientistsoughttodevelopRealCinefurther.7.Theviewermustwearspecialgloves.RealCinecouldbeusedintheclassroomtoo.RealCineshouldbeusedforallfilms.RealCineoughttobedevelopedfurther.Specialglovesmustbeworn.4.TeacherscoulduseRealCineHomeworkReviewwhatyouhavelearnedinthislesson.FinishC1,C2inWorkbookonpage108.HomeworkUnit3tomorrowsworldGrammarandusage课件Unit3tomorrowsworldGrammarTheman_________(call)“Goodhusband”.iscalledTheman_________(call)“GoodThepetdog________________(treat)byveterinary.isbeingtreatedThepetdog________________(tAfrog__________(catch)byabigbirdjustnow.wascaughtAfrog__________(catch)bybe+doneThepassivevoicebe+doneThepassivevoiceam/is/are

一般现在时am/is/are+being现在进行时shall/will+be一般将来时have/has+been现在完成时+donebeam/is/aream/is/are+beingshall+donewas/were

一般过去时was/were+being过去进行时would+be过去将来时had+been过去完成时be+donewas/werewas/were+beingwHowcanwechangeasentenceintothepassivevoice?1.Findouttheobjectofthesentenceanduseitasthesubjectofthesentencewiththepassivevoice.2.Decidethetenseofthesentenceandusetherelatedformofitspassive.3.Ifnecessary,use“by”tojointheformersubject,whichshouldbeputintoitsobjectform.HowcanwechangeasentenceiWhendoweusethepassivevoice?Manyhouseswillbebuilthere.1.不知道或没必要指出动作的执行者。Thesong“TheEastisRed”waswrittenbyapoorpeasant.2.强调动作的承受者。WhendoweusethepassivevoiTheplanwassupportedbythosewhowishedtohavemorechancestospeakEnglish.3.动作的执行者有较长的修饰语。Youarerequestedtoattendthemeeting.4.出于礼貌，不愿意说出动作的执行者。TheplanwassupportedbythosChangethefollowingsentencesintothepassivevoice:1.Allofuslikeher.2.Wearediscussingthequestion.3.Wehaveputoffthemeeting.4.Iwilldevelopmypicturenextweek.Sheislikedbyallofus.Thequestionisbeingdiscussed.Themeetinghasbeenputoff.Mypicturewillbedevelopednextweek.ChangethefollowingsentencesFillintheblankswiththerightformofthewordsgiven:I___________(give)anewbookbymyfatheronmybirthday.English___________(find)veryuseful.3.Thework______________(finish)tomorrow.4.Theflowers______________(water)bythemnow.wasgivenisfoundwillbefinishedarebeingwateredFillintheblankswiththeriTherailway________________(build)thistimelastyear.Thenewway_______already_________(build).Thenewrailway___________(build)bytheendoflastyear.Hetoldmethesportsmeeting____________(hold)thenextmonth.Rice___________(grow)inthesouthoftheStates.wasbeingbuilthasbeenbuilthadbeenbuiltwouldbeheldisgrownTherailway________________(Modalverb+be+doneModalverb+be+doneWecanusemodalverbsinthepassivevoicetotalkaboutability,possibility,duty,permission,etc.FirefighterscouldbetrainedusingRealCine.Computerscancalculatethepositionofthevieweratanytime.Thepositionoftheviewercanbe

calculatedatanytime.WecanusemodalverbsinthePractice:1.Theviewercantouchtheobjectsinthefilm.2.Theviewermayfeelarealsense