冀教版小学英语六年级第10课.ppt
Lesson 12 How many are there?,pencil,This is one pencil.,pencils,These are many pencils.,chair,This is a chair.,chairs,These are many chairs.,名词单数变复数的规则1:,一般直接加s,box,This is a box.,boxes,These are many boxes.,bus,This is a bus.,buses,These are three buses.,名词单数变复数的规则2:,以s,x,sh,ch结尾的可数名词的复数形式通常在其后加es.如class,bus,fox,dish,watch等,tomato,This is a tomato.,tomatoes,These are many tomatoes.,potato,This is a potato.,potatoes,These are many potatoes.,photo,photo,photo,This is a photo.,photos,These are many photos.,名词单数变复数的规则3:,以o结尾的名词,有生命的加es,无生命的加s但个别有生命的却加s如:1.negro(黑人),hero(英雄),potato(土豆),tomato(西红柿)后加es;2.radio(收音机)photo(照片)后加s;3.特殊的kangaroo后加s.,man,These are men,woman,These are women,This is a child,These are children,名词单数变复数的规则4:,有一些单词变复数时改变其中的字母或词尾发生变化,如manmen womanwomen footfeet tooth(牙)teethgoosegus(鹅)geesechildchildren oxks(公牛)oxen等,知识延伸:名词单数变复数的规则5:1.以辅音y结尾的名词,要把y变成i,再加es.如:babybabies.familyfamilies.2.以元音y结尾的名词,要直接加s如:boyboys.3.以 f 或 fe结尾的,要去掉f或fe,再加ves.如:wolfwolves,leafleaves,wifewives,knifeknives.4.单复数同形。如:sheepsheep(绵羊),deerdeer(小鹿),people-people,ChineseChinese等,5.fish很特殊,fish用作可数名词指“鱼的条数”时单数和复数形式相同(two fish两条鱼),指“鱼的种类”时复数形式才为fishes(two fishes两种鱼);fish用作不可数名词时无复数形式,意为“鱼肉”,Help yourself to some fish随便吃些鱼。),一、,看图写单词.,1.These are _.,2.There are five _.,3.Here are many _.,4.These are _.,5.Here are some _.,6.Here are three _.,7.These are _.,children,pencils,dresses,women,stamps,buses,men,二改错:1This is one pencils.2.Look at these woman.3.There are five childs.4.There is many dishes.5.How much pencils are there?6.How many book do you have?7.The students is reading books now.,(pencil),(women),(children),(are),(many),(books),(are),三改写句子:1This is a pencil.(复数)2.Here is a dish.(复数)3.These are some bedrooms.(单数)4.Here are two women.(单数),These are pencils.,Here are dishes.,This is a bedroom.,Here is a woman.,小结:名词单数变复数的规则,1.一般直接加s2.以s,x,sh,ch结尾的可数名词的复数形式通常在其后加es.如class,bus,fox,dish,watch等。3.以o结尾的名词,有生命的加es,无生命的加s但个别有生命的却加s如:(1).negro(黑人),hero(英雄),potato(土豆),tomato(西红柿)后加es;(2).radio(收音机)photo(照片)后加s;(3).特殊的kangaroo后加s.,4.以辅音y结尾的名词,要把y变成i,再加es.如:babybabies,familyfamilies.5.以元音y结尾的名词,要直接加s 如:boyboys.6.以f或fe结尾的,要去掉f或fe,再加ves.如:wolfwolves,leafleaves,wifewifewives,knifeknives.7.单复数同形。如:sheepsheep(绵羊),deerdeer(小鹿)鹿),people-people,ChineseChinese等。,8.有一些单词变复数时改变其中的字母或词尾发生变化,如:manmen womanwomen footfeet tooth(牙)teeth goosegus(鹅)geese childchildren oxks(公牛)oxen等 9.fish很特殊:fish用作可数名词指“鱼的条数”时单数和复数形式相同(two fish两条鱼)。fish指“鱼的种类”时复数形式才为fishes(two fishes两种鱼)。fish用作不可数名词时无复数形式,意为“鱼肉”,Help yourself to some fish随便吃些鱼。),