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1、Unit10Ifyougototheparty,you’llhaveagreattime!SectionA1a-2dShewillbelate.Ifshe_____toschool,she________late.Sheisgoingtowalktoschool.walkswillbeLead-inItisgoingtoraintomorrow.Iwillstayathome.Ifit_____tomorrow,I__________athome.rainswillstayIfit____sunnytomorrow,they____
2、_______atrip.Itwillbesunnytomorrow.Theywillhaveatriptomorrow.iswillhaveHewon’tstudyhard.Hewillfailintheexam.“Ifhe_______studyhard.He_________intheexam.”doesn’twillfaileg:如果我有足够的钱，我就去环游世界If引导条件状语从句定义：if“如果,假如”它引导的句子表示某事发生所需的条件，即“在…条件下，某事才能发生”，在句子中充当状语，因此称之为条件状语从句。IfIhav
3、eenoughmoney,IwilltravelaroundtheworldorIwilltravelaroundtheworldifIhaveenoughmoneyIf条件句：条件句用于陈述语气，表示假设的情况可能发生，其中if是“如果”的意思。主句一般将来时，从句用一般现在时。构 成条件从句主 句时 态If＋一般现在时主语＋shall/will+动词原形例 句Ifhecomes,hewilltakeustothezoo.用法：1.如果主句是一般将来时，从句则用一般现在时。Ifitrains（从句），Iwillstayat
4、home.I’llgowithyouifyoudon’twanttogoalone（从句）.2.如果主句含有must,may,can等情态动词，从句也要用一般现在时。Ifyoudrivetoofast,youmayhaveanaccident.Youmuststopifthetrafficisred.Ifyoufinishthehomework，youcangohome．如果你作业做完了就可以回家了。Ifyouwanttoloseweightyoumust/shouldeatlessbread.如果你想减肥，你必须少吃面包。3.如果
5、主句是祈使句，从句同样要用一般现在时。Don’tgoandplayfootballifyoudon’tfinishyourhomework.PleasecallmeifhecomesnextSunday.练一练：1。如果她早点儿起床，就有时间在家里吃早餐Ifshe________alittleearlier,she’llhavetimetoeatbreakfastathome.2。如果你参加聚会，你将会过得很开心。Ifyou____theparty,you_________agreattime.3。如果明天下雨，我们将不去野餐Ifi
6、t____tomorrow,we_______forapicnic.4。如果你经常听英文歌，你将会喜欢英语Ifyouoften_______Englishsongs,you______English.Matchthestatementswiththepictures[a-d].1a1.___IthinkI’llwearjeanstotheparty.2.___IthinkI’llstayathome.3.___IthinkI’lltakethebustotheparty.4.___IthinkI’llgotothepartywith
7、KarenandAnna.acbdListeningListenandcompletetheresponsesin1a.1bIfyoudo,theteacherswon’t________Ifyoudo,you’ll________________Ifyoudo,you’ll____________________Ifyoudo,you’ll____________________haveagreattime.belate.letyouin.besorry.Areyougoingtothepartytomorrownight?Yes
8、,Iam.Pairwork1cLookatthepicturesandmakeconversations.Whowillyougowith?Ifyoudo,you’llhaveagreattime.IthinkI’llgowithKa
