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CanyouguessbreadmeatjuicemilkThereis…Thereissomebreadinthefridge.Thereissomemeatinthefridge.Thereissomejuiceinthefridge.Thereissomemilkinthefridge.不可数名词前也可用some修饰。但be动词要用is.Therearefourpotatoesinthefridge.Therearethreetomatoesinthefridge.Tip:以字母o结尾的可数名词变复数，在末尾+es.potato→potatoestomato→tomatoesWherearethey?WhatareLiuTao’sparentsdoinginthekitchen?Ishismothercookingmeat?Ishelookingforsomejuice?Yes,heis.Ishelookingforsomejuice?Isshecookingmeat?Yes,heis.No,heisn’t.Yes,sheis.No,sheisn’t.TrytoreadAreyoucookingdinner?Yes,Iam.No,I’mnot.Aretheycookingmeatwithpotatoes?Yes,theyare.No,theyaren’t.现在进行时的一般疑问句构成:be（is/am/are）+主语+现在分词Trytosummary当主语是第三人称时，提问时开头用Is,并用Is作答;当主语是其他人称时，提问时开头用Are,并用are作答。Exercise1.Iamcookinglunch.(改为一般疑问句)__________cookinglunch?2.Isheeatingfruitinthebedroom?(做肯定回答)_____,he_____.3.There_____(be)somejuiceinthebottle.4._____(be)youlookingforyourtoycars?5.Thereisatomatoonthetable.(改为复数句)There_____some_____onthetable.Gametime活动规则：五个人一组，一人做裁判，一人做动作，三人竞猜。猜中答案最多的人获胜，并可以获得精美小礼品一份哦！细心准备吧！1.总结一下可数名词变复数的规则有哪些？并列举出两三个单词。2.动手做一份自己喜欢的菜肴，并向同学说一说你用了哪些食物材料。