Whoseskirtisthis?Itmaybelongto…must…can’t…JaneMikeWhosehairbandisit?Itmaymust…can’t…It……Itmustbe…Theymightbe…CanthisT-shirtbeJohn’s?Itcan’tbeJohn’s.Becauseit’smuchtoosmallforhimJohnCan/could用于疑问句,表推测2aThingsintheschoolbag1.T-shirt2.3hairbandtennisballsBobandAnnafoundaschoolbagatthepark.Listenandwritedownthethingsintheschoolbag.2bmustcan’tcouldmightmustListenagain.Fillintheblanks.1.Theperson_____gotoourschool.2.Theperson______beaboy.3.It_____beMei’shairband.4.Thehairband______belongtoLinda.5.It_____beLinda’sschoolbag.2dReadandanswerthequestions.1.WhyisLindaworried?2.Whatarethereinherschoolbag?3.DoesLindathinkherschoolbagislost?Why?Becauseshecan’tfindherschoolbag.Herbooks,herpinkhairbandandsometennisballs.No.Shethinksherfriendsmusthavepickeditup.Mom,I’mreallyworried.Role-playtheconversation.2dWhy?What’swrong?Ican’tfindmyschoolbag.Well,wheredidyoulastputit?Ican’tremember!Iattendedaconcertyesterdaysoitmightstillbeinthemusichall.Doyouhaveanythingvaluableinyourschoolbag?v.出席;参加adj.贵重的;很有用的;宝贵的1.attend,join,joinin,takepartin都有“参加”的意思。区别是:attend主要指“到场”或“出席”会议、宴会、典礼、仪式等。join指参加某团体或组织成为其中一员joinin表示“加入;参加(某种活动)”,表示“参加某人的某种活动”时,可用joinsb.in(doing)sth.。takepartin参加活动,或比赛。知识链接1.Mymother________animportantmeetingyesterday.2.Wearegoingswimming.Wouldyouliketo______us?3.Willyou_______ourbasketballclub?4.I'mgoingto__________thebasketballgames.5.Wouldyou_______yoursister’swedding(婚礼)?jointakepartinattendedjoinattend2.Valuableadj.有价值的valuen.价值bevaluable=beofgreatvalueEg:Youradviceis________tome.Itisworthtaking.=Youradviceis______________tome.Itisworthtaking.解析:习惯用法“be+of+n.=be+adj.1.Hiswordsisveryimportanttome.Hiswordsis__________________tome.valuableofgreatvalueofgreatimportanceNo,justmybooks,mypinkhairbandandsometennisballs.Soitcan’tbestolen.adj.粉红色的n.粉红色不可能被偷Oh,wait!Iwenttoapicnicaftertheconcert.IrememberIhad...