晚0一朋Unit7ProtecttheEarthGrammartime&FuntimeWha+shouldwedo?Weshouldipnatec+heEar+h.TasklKnowhow+oprotec+heearthWat+erEnergyTreesPlas+icFillin+heblanksHowtoprotec+heearth1.WeshouldsavewaterandreuSewater.Weshouldnof_waste_water.2Weshouldsave_ener8y_.Weshouldnofdrivesouch.3.Weshouldsavetrees.Weshouldnotcutdown+oomanytrees.4、Weshouldnotusetoomanyastebagsorbottles、Weshoulduse_Pape_bagsandbottles.Task3Know+hemeaningof+hesignsandobey(遵守)HhemWeshould.|Weshouldnot.drivesomuchusetoomanyplasticbagsorbottlesWe“should“notcutdowntoomanytreesshould:情态动词,含义是应该,后面路动诊的原型。should的枪定形式是shouldnot后:|;面仍旧跟动词原型哦!iQ:Whatelseshouldwedo/nottodotobea,!goodenvironment+protector21