名词单数变复数不规则变化ppt课件.ppt
名词复数名词复数 Sum up:1.一般情况下,直接在名词词尾加-s.2.以s,x,sh,ch结尾的名词,在词尾加-es. 3.以辅音字母加y结尾的名词，要变y为i再加-es. 5.以f或 fe结尾的名词，先将f或 fe变为v,再加-es.6.以o结尾的名词,表示无生命事物的名词加-s, 表示有生命事物的名词加-es。4.以“元音字母+y”结尾的名词，直接在词尾加-s .this that I you he / she / it am / is thesethoseweyoutheyare 单数单数 复数复数一、写出下列单词的复数一、写出下列单词的复数1.I- 2.am- 3.he 4.pencil- 5.watch- 6.dictionary- 8.it- 9. parent - 10.boy wearetheypencils watchesdictionaries they parentsboys句子单数变复数句子单数变复数1. This is a book. 2. That is an eraser.3. It is a red apple. 4. I am a boy.5. He / She is a teacher.6. Whats this ? These are books.Those are erasers.They are red apples.We are boys.They are teachers.Whatre these ?sheep mousegoosesheepMr.Sheep, How many sheep are there in your family?There are two sheep.Mr.Mouse, How many mice are there in your family? mouseMr.Mouse, How many mice are there in your family? mouseThere are six mice.gooseMiss.goose, How many geese are there in your family?There are ten geese.1 1）内部元音字母发生变化。如）内部元音字母发生变化。如man-menman-men woman-women woman-women 注意：与注意：与 man man 和和 woman woman构成的合成词，构成的合成词，其复数形式也是其复数形式也是 -men -men 和和-women-women。如：如： woman doctor, wowoman doctor, womenmen doctor doctors s a man teacher a man teacher men men teacherteachers san Englishmanan Englishman，two Englishtwo Englishmenmen. . ；BowmanBowman是姓，其复数是是姓，其复数是the the BowmansBowmans。 1,1,内部元音字母发生变化。如：内部元音字母发生变化。如：footfootfeetfeet足足 toothtoothteethteeth牙齿牙齿 goose(鹅鹅)geese mousemousemicemice鼠鼠 policemanpolicemanpolicemenpolicemen警察警察 2,2,表示表示“某国人某国人”的单、复数变化的单、复数变化单复数同形。如：单复数同形。如： ChineseChineseChineseChinese中国人中国人 Japanese JapaneseJapaneseJapanese日本人日本人 Swiss SwissSwissSwiss瑞士人瑞士人1)1)词尾加词尾加-s-s。如：。如： GermanGermanGermansGermans德国人德国人 Roman RomanRomans Romans 罗马人罗马人 RussianRussianRussians Russians 俄罗俄罗斯人斯人 American AmericanAmericansAmericans美国人美国人 2)2)变变manman为为menmen。如：。如：FrenchmanFrenchmanFrenchmenFrenchmen法国人法国人 EnglishmanEnglishmanEnglishmenEnglishmen英国人英国人 3,3,词尾发生变化。如：词尾发生变化。如： ox oxoxen oxen 公牛公牛 child childchildrenchildren孩子孩子4,4,有个别名词单复数形式一有个别名词单复数形式一样。如：样。如：deerdeerdeerdeer鹿鹿 fish fishfish fish 鱼鱼 sheep sheepsheepsheep羊羊meansmeansmeansmeans方法方法 worksworksworksworks工厂工厂 4,4,分开写者，通常在第二部分词尾加复数。分开写者，通常在第二部分词尾加复数。如：如： a boy student boy students a boy student boy students 男男学生学生 a girl friend girl friends a girl friend girl friends 女女朋友朋友Homework:You must do:You must do:Recite the rules of Recite the rules of the plurals nouns with your the plurals nouns with your classmates.classmates.You can try to do:You can try to do:To find more To find more plural nouns in your spare plural nouns in your spare time.time.pen desk key box knife card orange boy friend parent mother father sister brother son daughter cousin family pencil case ssssesknivessssssssssssfamilies child man pencil case sheep
