2019秋八年级英语上册 Unit 2 How often do you rcise Period 2预习案（课本P11-P12）课件 新人教版.ppt

Period1预习案(课本P1P2),Unit2Howoftendoyouexercise?,目录,contents,学习目标,课前预习,思考探究,学习目标,目录,contents,学习目标,1.熟练掌握频度副词的运用。2.熟练掌握howoften的特殊疑问句。,预习检测,目录,contents,一、必背单词,课前预习,maybe,junk,coffee,health,一、必背单词,课前预习,least,二、重点短语1.至少;不少于；起码_2.垃圾食品_3.吃一个健康的早餐_4.对有好处_,课前预习,atleast,junkfood,eatahealthybreakfast,begoodfor,课前预习,三、经典句型,课前预习,三、经典句型,课前预习,三、经典句型,课前预习,三、经典句型,课前预习,三、经典句型,四、根据以上重点短语和句型完成句子，词数不限。1.你最好每周至少锻炼三次。Youhadbetterexercise_threetimesaweek.,课前预习,atleast,2.我们不能吃太多垃圾食物。Wecanteattoomuch_.3.在太阳底下看书对我们的眼睛有害。Readinginthesun_oureyes.,课前预习,junkfood,isntgoodfor,4.不管多忙，我们都要吃个健康的早餐。Nomatterhowbusyweare,wehaveto_.5.他通常周末很晚才起床。Heusuallygetsuplate_.,课前预习,have/eatahealthybreakfast,on/atweekends/theweekend,目录,contents,思考探究,1.Ialwaysexercise.Shesometimesgoesshopping.HehardlyeverwatchesTV.频度副词的用法：(1)频度副词的含义:表示次数、频率的副词称为频度副词。,思考探究,按频率发生的高低，依次为：alwaysusuallyoftensometimeshardlyever/seldomnever,思考探究,Iam_(总是)lateforschool.Alice_(通常)helpswithhousework.He_(几乎不)watchesTV.Theymay_(从不)eatjunkfood.We_(有时)exerciseonweekends.,思考探究,always,usually,hardlyever,never,sometimes,(2)频度副词在句子中的位置:由以上例句可知，频度副词一般放在实义动词之_(前后)，be动词、助动词或情态动词之_(前后)。We_(neverdrinkdrinknever)coffee.,思考探究,前,后,neverdrink,I_(hardlycancanhardly)sayaword.She_(sometimesisissometimes)verybusy.=Sometimessheisbusy.其中，sometimes既可位于句中,也可位于_，区别不大。,思考探究,canhardly,issometimes,句首,Heplayssocceratleast