名词单数变复数专练

1、名词单数变复数专练Whats this in English?Its an apple.What are these?They are two apples.-What are these?-Whats this?-Its a pen.-They are pens.-What are those?-Whats that?-Its an English book.-They are English books.backpackswatchesorangespens-Whatre these ?-Theyre .mapscaseskeys-Whatre those ?-Theyre .单数复数可数

2、名词如何变化？规则变化不规则变化规那么变化1.一般情况下，直接在词尾加-s构成复数形式。carbackpackcarsbackpacksbookbooksnamepencardrulernamespenscardsrulers练习一dog- duck-chair-table- band- window- banana- tree-dogs duckschairstables hands windows bananas treesbox2. 以s, x, ch, sh等结尾的名词， 在词尾加-es构成复数形式。boxesclassclasseswatchwatchesbrushbrushessx

3、shchbusbusesfoxesfox(狐狸)dish(盘子)dishes练习二glass- box- brush- match- class-bus-watch-glasses boxes brushes matches classesbuseswatches综合练习一glass- desk- school-box- brush- hen-match- class-bus-eye-watch-glasses desks schoolsboxes brushes hensmatches classesbuseseyeswatches3. 以“辅音字母+y结尾的名词，应改y为i，再加-es。f

4、amilyfamiliescomediescomedy(喜剧)yyld4. 以“元音字母+y结尾的名词，直接在词尾加-s构成复数形式 。boyboysdaydaysoayykeycitiesstrawberrieskeyscity(城市)strawberry(草莓)练习三city- day - boy -family - key-strawberry - baby - cities days boysfamilies keysstrawberries babies 综合练习二strawberry key-glass - bus - boy -eye -watch -city - school

5、-strawberries keysglasses buses boyseyeswatchescities schoolsbox -baby-family- brush- match-class-desk- hen-day -boxes babies families brushes matches classesdesks hensdays 5. 以f或fe结尾的名词，先将f或fe变成v，再加-es构成复数形式。knifekniveshalfhalves“小偷(thief)的“妻子(wife)用“刀子(knife)和“树叶(leaf)把“狼(wolf)劈成两“半(half)。wiveslea

6、veswolveswife(妻子)leaf(树叶)wolf(狼)roof(屋顶)roofsroof“小偷(thief)的“妻子(wife)用“刀子(knife)和“树叶(leaf)把“狼(wolf)劈成两“半(half)。巧记一：妻子持刀去宰狼，小偷吓得发了慌；躲在架后保己命，半片树叶遮目光。按：wife妻子，knife小刀，wolf狼，thief小偷，shelf架子，self自己，life生命，half一半，leaf树叶。由self构成的复合词，其变化与self一样如myselfourselves；yourselfyourselves；himself，herself，itselfthemse

7、lves。巧记二：练习四wife- knife- wolf- thief- shelf- self- life- half- leaf-wives knives wolves thieves shelves selves lives halves leaves综合练习三wife-key-glass- knife- boy-eye-watch-city- school-wives keysglasses buses boyseyeswatchescities schoolsbox- baby- family-brush- match- class-desk- hen-day- boxes bab

8、ies familiesbrushes matches classesdesks hensdays6. 以o结尾的名词，有的加-s, 有的加-es构成复数形式。photophotosheroestomatoeszooszoo(动物园)tomato(西红柿)hero(英雄)以o结尾的名词,表示无生命事物的名词，词尾加-s,表示有生命事物的名词，词尾加-es。 加-es的名词有: potato, tomato, hero巧记:英雄爱吃 土豆炖西红柿。练习四piano-zoo-potato-photo-tomato-radio-pianoszoospotatoesphotostomatoesradi

9、osSum 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 .给以下可数名词加复数 bird- card- lady- orange- ruler- photo- friend- boy- watch- girl- case- cat- wife- tree- key- bed- hero- famil

10、y- dictionary- question- leaf- party- cup-birdsladiesorangesrulerscatsboysgirlscaseswiveswatchestreeskeysquestionsbedsheroesfriendsfamiliesdictionariesphotoscardsleavespartiescups综合练习三families knives books beds wolves buses shelves zoos potatoes cities photos leaf piano box tomato brush watch bag ca

11、t radio boy strawberryleaves pianos boxes tomatoes brushes watches bags cats radios boys strawberries family knife book bed wolf bus shelf zoo potato city photo 不规那么名词复数变化一deer-sheep-foot- tooth-goose - fish-Chinese-Japanese-deer sheep feet teeth geese fish Chinese Japanese不规那么名词复数变化二man-woman-polic

12、eman-mouse- child-menwomen policemen mice childrenthis that I you he / she / it am / is thesethoseweyoutheyare 单数 复数不规那么名词复数变化三this- that -I - me - you - he/she/it/- him/her/it-am/is-these thosewe us you they themare综合练习三me- Chinese- tooth- mouse- fish- you- she- watch- him- potato- shelf- child- wo

13、man- bag- bus- box- photo- sheep- this- that- I-us Chineseteeth mice fish you they watches them potatoes shelves children women bags buses boxes photos sheep- these those we句子单数变复数This is a book. That is an eraser.It is a red apple. I am a boy.He / She is a teacher.Whats this ? These are books.Those are erase