英语八年级上册unit10if-条件状语从句语法

Grammar:Ifyouarehappy,youwilllaugh.Ifyouarehappy,youcanlaugh.Ifyouarehappy,clapyourhands.IfIhavefreetime,Iwilltravelaroundtheworld.IfIhavefreetime,Imustgohome.IfIhavefreetime,stayathomeandsleeplate.,主将（主句用一般将来时）从现（if从句用一般现在时）主情（主句含有情态动词）从现主祈（主句是祈使句）从现,1.Ifyou_(feel)tired,you_(have)tohavearest.2.Where_he_(see)thefilmifhe_(have)time?3.Ifthere_(be)fewertrees,there_(be)morepollution.4.Ifthetelephone_(ring),answerit.5.I_(go)tothebeachifit_(notrain)thisweek.,6.He_(write)alettertohisgrandparentsifhe_(get)agoodgrades.7.Dontgoouttomorrowifit_(rain).,If条件状语从句句型的转换,1.Comeearlyandyouwillseeher.(同义句）=Ifyoucomeearly,youwillseeher.2.Studyhardandyouwillpasstheexam.(同义句）3.Useyourheadandyouwillhaveanidea.(同义句）,=Ifyoustudyhard,youwillpasstheexam.,=ifyouuseyourhead,youwillhaveanidea.,1.祈使句+and+句子（谓语动词常用一般将来时）=if从句（肯定），+句子,一。,1.Studyhardor(否则）youwillfailtheexam.（同义句）=Ifyoudontstudyhard,youwillfailtheexam.2.Hurryuporyouwillbelate.（改同义句）3.Getupearlyoryouwillmissthetrain.,=Ifyoudonthurryup,youwillbelate.,=Ifyoudontgetupearly,youwillmissthetrain.,2.祈使句+or(否则）+句子（谓语动词常用一般将来时）=if从句（否定），+句子,二。借助介词with(有）或without(没有）来转换成if条件状语从句,Fishmaydiewithoutwater.=ifthereisnowater,fishmaydie.Iwillfinishmyhomeworkwithyourhelp.=Iwillfinishtheworkifyouhelpme.,Homework：将句子改为同义句（写在作业本上）1.Studyhardandyouwillpasstheexam.2.Useyourheadandyouwillhaveanidea.3.Studyhardoryouwillfailtheexam.4.Getupearlyoryouwillmissthetrain.5.Fishmaydiewithoutwater.=_thereis_wate