Unit6 Section A grammar focus-3c 课件--人教版英语七年级上册.pptx
Section A Grammar Focus-3cfruittomatoesorangesstrawberriespearsbananasfood breadhamburgerssaladtalk about likes or dislikesmilk ice-cream主语为he/she借助does构成一般疑问句谓语用“三单现”Read together否定句借助doesnt语法拓展名词变复数的规律1.规则名词复数形式的构成情况构成方法例词一般情况加-smapmaps bagbags yearyears以s,x,sh,ch等结尾的词加-esbusbuses boxboxes wishwishes beachbeaches以“辅音字母+y”结尾的词变y为i,再加-esstorystories familyfamilies partyparties以“元音字母+y”结尾的词直接加-sdaydays keykeys monkeymonkeys情况构成方法例词以“辅音字母+o”结尾的词无生命的加-s,有生命的加-esphotophotos tomatotomatoes potatopotatoes heroheroes以“元音字母+o”结尾的词直接加-szoozoos radioradios kangarookangaroos以f或fe结尾的词大多数变f或fe为ve,再加-sknifeknives leafleaves shelfshelves thiefthieves2.不规则名词复数形式的构成规律例词改变单数名词中的元音字母footfeet toothteeth manmenwomanwomen policemanpolicemen EnglishmanEnglishmen单复数形式相同Japanese sheep Chinese只有复数形式trousers glasses clothes people pants其他mousemice childchildren课文呈现课文呈现3a.Underline the correct words in the brackets.1I like fruit,but I(dont/doesnt)like vegetables.2She(like/likes)bread,but she(doesnt/dont)like salad.3He(like/likes)bananas，but he(dont/doesnt)like oranges.4We(likes/like)hamburgers，but we dont(like/likes)chicken.5They(likes/like)pears，but they(dont/doesnt)like strawberries._课文呈现课文呈现3b.Number these sentences 14 to make a conversation.So,lets get salad.Yes,I do.Do you like salad?OK.31243cAsk your classmates about the food in the chart.Find out what they like and dont like.可数名词复数可数名词复数可数名词单数变复数方法如下：可数名词单数变复数方法如下：（1）一般在词尾加）一般在词尾加-s。e.g.penpens,computercomputers（2）以字母（组合）以字母（组合）-s,-x,-sh,-ch 结尾的名词，词尾加结尾的名词，词尾加-es。e.g.boxboxes,busbuseswatchwatches,brushbrushes单元语法单元语法考点考点1（3）以字母）以字母-o 结尾的名词，有生命的加结尾的名词，有生命的加-es，没有生命的加，没有生命的加-s。e.g.tomato tomatoes,potato potatoesphoto photos,piano pianos（4）以字母（组合）以字母（组合）-f，-fe 结尾的名词，一般变结尾的名词，一般变-f,-fe 为为-v 再加再加-es。e.g.knifeknives,leafleaves（5）以辅音字母）以辅音字母-y 结尾的名词，把结尾的名词，把-y 变成变成-i再加再加-es。e.g.familyfamilies,factoryfactories单元语法单元语法注意以下特殊情况注意以下特殊情况（1）单复数同形）单复数同形e.g.ChineseChinese,JapaneseJapanese,sheepsheep,deerdeer（2）不规则变化）不规则变化e.g.footfeet,manmenwomanwomen,childchildren,mousemice单元语法单元语法（3）有些名词常用复数形式）有些名词常用复数形式e.g.clothes,trousers,pants,shoes（4）有些名词常用单数形式表示复数概念）有些名词常用单数形式表示复数概念e.g.people,police单元语法单元语法单元语法单元语法速记速记小法小法可数名词单数变复数之不规则变化：男人(man)女人(woman)a 变e;鹅(goose)脚(foot)牙齿(tooth)oo 变ee；儿童(child)加-ren；老鼠(mouse)ous 变ic;鱼(fish)鹿(deer)绵羊(sheep)不用变，人们(people)警察(police)单形表复意。KeypointsKeypointsLets think about the food.让我们考虑一下食物。让我们考虑一下食物。（1）let sb.do sth.让某人做某事。让某人做某事。let后跟动词原形。后跟动词原形。（2）think about考虑，其后跟名词、代词或者动名词。考虑，其后跟名词、代词或者动名词。（3）food n.食物，多数情况下为不可数名词，但作不同种类食物，多数情况下为不可数名词，但作不同种类 的食品讲时又是可数的。的食品讲时又是可数的。可数名词和不可数名词可数名词和不可数名词 可数名词可数名词不可数名词不可数名词可以计算数目，有单复数之分可以计算数目，有单复数之分不可计算数目，无复数形式不可计算数目，无复数形式可用不定冠词可用不定冠词a,an和指示代词和指示代词this,that,these,those 修饰修饰不可用不定冠词不可用不定冠词a,an和指示代词和指示代词this,that,these,those修饰修饰作主语时，谓语动词的形式随其单作主语时，谓语动词的形式随其单复数形式进行相应的变化复数形式进行相应的变化作主语，谓语动词只能用第三人称作主语，谓语动词只能用第三人称单数形式单数形式Dolikethey dodont play句型转换。句型转换。1Tina and Anna like eggs.(改改为一一般般疑疑问句句，并作肯定回答并作肯定回答)_ Tina and Anna _ eggs?Yes,_ _ 2I play sports every day.(改改为否定句否定句)I _ _ sports every day.applesWhatdoeslikewatches TVplayswith6.We have some fruit after dinner.(改为由let开头的祈使句)_ _ some fruit after dinner.7.Paul likes milk.He doesnt like bread.(合为一句)Paul likes milk,_ he doesnt like bread.Lets havebut 总结归纳总结归纳 1.do的一般疑问句及其回答Do you/they?Yes,I/they do.No,I/they dont.Does he/she?Yes,he/she does.No,he/she doesnt.2.陈述句变否定I/We like I/We dont likeHe/She likes He/She doesnt like3.可数名词及不可数名词1.Grammar focus 3+12.Unit 6 单词单词 3+13.复习复习Section A，预习，预习Section B
