冀教版小学英语六年级第10课课件.ppt

Lesson 10 How many are there ?pencilThis is one pencil. pencils These are many pencils .chairThis is a chair .chairs These are many chairs . 名词单数变复数的规则名词单数变复数的规则1：一般直接加sbox This is a box .boxesThese are many boxes .busThis is a bus .busesThese are three buses.名词单数变复数的规则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 .potatoesThese are many potatoes.photophotophotoThis is a photo.photosThese are many photos.名词单数变复数的规则名词单数变复数的规则3： 以o结尾的名词，在词尾加es或s。

如： 1、negro(黑人)，hero（英雄），potato(土豆)，tomato（西红柿）后加es； 2、zoo(动物园)、photo(照片)后加s；man This man is old.menThese men are youngwomanThis woman is dancing.womenThese women are singing.childThis child is walking.childrenThese children are playing.名词单数变复数的名词单数变复数的规则规则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:man-men woman-women child-children sheep-sheepFoot-feet tooth（牙）-teeth 知识延伸：知识延伸：名词单数变复数的规则名词单数变复数的规则5：1.1.(1).以辅音y结尾的名词，要把y变成i，再加es .2. 如：babybabies . familyfamilies .3. (2).以元音y结尾的名词，要直接加s如：boyboys .4.2.以 f 或 fe结尾的，要去掉f或fe ,再加ves .5. 如：wolfwolves , leafleaves ，wifewives， knifeknives. 一、改一、改错：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)二、改二、改写句子：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小结：名词单数变复数的规则1.1.一般直接加一般直接加s s2.2.以以s,x,sh,chs,x,sh,ch结尾的可数名词的复数形式通结尾的可数名词的复数形式通常在其后加常在其后加eses. .如如class,bus,fox,dish,watchclass,bus,fox,dish,watch等。

等3. 以以o o结尾的名词结尾的名词，在在词尾加词尾加eses或或s s如：如：(1)(1)、negro(negro(黑人黑人) )，herohero（英雄英雄），），potatopotato( (土豆土豆) )，tomatotomato（西红柿）后加（西红柿）后加eses；(2)(2)、zoozoo( (动物动物园园) )、photo(photo(照片照片) )后加后加s s；4.4.以辅音以辅音y y结尾的名词，要把结尾的名词，要把y y变成变成i i，再加，再加eses. . 如：如：babybabybabies babies ，familyfamilyfamilies .families . ( (以元音以元音y y结尾的名词，要直接加结尾的名词，要直接加s s 如：如：boyboyboys .boys .) )5 5. .以以f f或或fefe结尾的，要去掉结尾的，要去掉f f或或fe ,fe ,再加再加vesves. . 如：如：wolfwolfwolves , leafwolves , leafleaves leaves ，wifewifewifewifewives wives ， knifeknifeknivesknives. . 6 6. .有一些单词变复数时改变其中的字母或词尾发生变有一些单词变复数时改变其中的字母或词尾发生变化，如：化，如：manmanmen men womanwomanwomen women foot footfeet toothfeet tooth（牙）（牙）teethteeth childchildchildrenchildren 等等Homework:1.导学案34页2.pencil 、chair 、box 、bus、 tomato potato 、photo、 man、 woman 、child 这几个单词复数写3遍谢谢！。