《代词be动词介词》PPT课件.ppt

人称代词,2.1人称代词主格与宾格,Tobe,be动词的形式：amBeisare,am用于第一人称单数I,可以缩写为Imis用于第三人称单数she,he,it及所有名词单数。可以缩写为Shes,Hes,Itsare用于第二人称及所有人称的复数you,they,we及复数名词。可以缩小为Youre,Theyre,Were,Exercise1,2Be动词的用法1）Be+名词词组，对主语进行归类、定义，回答主语是什么。Myfriendisagoodprogrammer.Thisisauniversity.Heisanunhappyman.Myfatherisanengineerinhiscompany.,2）Be+形容词，描述主语，回答主语怎么样。Thestoryisinteresting.Theteacherisexperienced.Iamthirsty.Themountainisbeautiful.,3）Be+介词短语，说明主语的位置、所处的状态等。Thecafeteriaisonthefirstfloor.Theteacherisinfrontofus.Thestudentsareinahurry.Theclassroomisingoodcondition.,介词加名词构成介词短语。如：inintheschool,inthebox,inthecountryOnonthebeach,onthedesk,onthefarmAtatschool,athome,atthebusstopBehindbehindthehouse,behindthedoorInfrontofinfrontofus,infrontofthehouseUnderunderthedesk,underthebedNexttonexttothewindow,nexttothegateBetweenbetweenthetwohillsAboveabovethearmchair,abovethedesk.Exercise2,3,4,5,3.Be动词的否定和疑问否定句：Be动词后面加not,可以缩写成下列形式IamnotImnotYouarenotYourenotYouarentHeisnotHesnotHeisntWearenotWerenotWearent,一般疑问句：把be动词提到主语前面。简略回答时，be动词不能缩小。如：Imastudent.AmIagoodstudent?Yes,youare.Yourelate.Areyouabsent?No,Imnot.Hesmarried.Ishehappy?yes,heis.Itswarmtoday.Isitcoldtoday?No,itisnt.Theyareatschool.Aretheyathome?No,theyarent.Lucyislovely.IsLucylovely?Yes,sheis.,Exercise6,7,特殊疑问句：特殊疑问词提高居首，后面接一般疑问句语序。如：Yourteacheris_.Whoisyourteacher?Mynameis_.Whatisyourname?Youarefrom_.Whereareyoufr