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1、Module1,Unit2Dontfeedtheducks!,外研社（一起）四年级英语下册,PeriodThree,Signs,Asigntellsustodosomethingornottodosomething.,Forexample:Nolittering,Keepquiet.,Donteatintheclassroom.,Forexample:KeepquietDontlitter.,Signs,Weoftenuseimperativesinsigns.WeuseDonttotellpeoplenottodosomething.AfterDont,weusethebaseformoft
2、heverb.,Dontpicktheflowers.,Dontwalkonthegrass.,Dontfeedtheducks.,Signs,WecanalsouseNo+inginsigns.,Noeating,Nolittering,Noclimbing,Whatkindofsignscanyoufindinthefollowingplaces?Thinkofasmanyasyoucanandshareyourideaswithyourclassmatesandteacher.,Inthepark,Dontclimbthetrees.,Dontwalkonthegrass.,Dontpi
3、cktheflowers.,Dontfeedthebirds.,Intheclassroom,Noeatingordrinking,Dontdrawonthedesk.,Norunning,Keepquiet.,Inthetoilet,Flushafteruse.,Washyourhandsafteruse.,Dontwastethewater.,Must,Weusemusttosaythatitisnecessarytodosomething.must=haveto/needto,Forexample:Keepquiet.Youmustkeepquiet.,Dontrunintheclass
4、room.Youmustnotrunintheclassroom.,NolitteringYoumustnotlitter.,Wemustntclimbthetreesinthepark.,Example:,We_inthepark.,Nowyoutry.,mustntrideabicycle,We_.,mustqueueupoutsidetheclassroom,We_.,mustntplayfootballintheclassroom,We_.,mustntspit,对本课所学内容进行梳理和汇总，自己思考和整理本课的所学与所得。Makesomerulesingroups.(inclassroom,atschool,atthelibrary,atpark),ACTIVITIES,THEEND,