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1、Welcome !,Welcome !,名词单数变复数,名词单数变复数,名词是表示人事物地点或者抽象概念名称的词。名词按所表示的事物性质分为可数名词与不可数名词。可以用数目来计算的名词叫可数名词。可数名词一般有单数和复数两种形式。表示一个人或事物的名词用单数；表示两个或两个以上的事物的名词用复数。,名词是表示人事物地点或者抽象概念名称的词。名词按所表示的,单数,复数,可数名词,如何变化？,规则变化,单数复数可数名词如何变化？规则变化不规则变化规则变化,1.一般情况下，直接在词尾加-s构成复数形式。,car,backpack,cars,backpacks,book,books,1.,1.一般情况
2、下，直接在词尾加-s构成复数形式。carback,name,pen,card,ruler,names,pens,cards,rulers,namepencardrulernamespenscards,box,2. 以s, x, ch, sh等结尾的名词， 在词尾加-es构成复数形式。,boxes,class,classes,watch,watches,brush,brushes,2.,box2. 以s, x, ch, sh等结尾的名词，,bus,buses,foxes,dishes,busbusesfoxesfox(狐狸)dish(盘子)di,3. 以“辅音字母+y”结尾的名词，应改y为i，再
3、加-es。,family,families,comedies,3.,3. 以“辅音字母+y”结尾的名词，应改y为i，再加-es。,4. 以“元音字母+y”结尾的名词，直接在词尾加-s构成复数形式 。,boy,boys,day,days,4.,4. 以“元音字母+y”结尾的名词，直接在词尾加-s构成复数,key,cities,strawberries,keys,keycitiesstrawberrieskeyscity(,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。,knife,knives,half,halves,“小偷”(thief)的“妻子”(wife)用“刀子
4、”(knife)和“树叶”(leaf)把“狼”(wolf)劈成两“半”(half)。,5.,5. 以f或fe结尾的名词，先将f或fe变成v，再加-es构,wives,leaves,wolves,roofs,roof,wivesleaveswolveswife(妻子)leaf(,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.,4.以“元音字母+y”结尾的名词，直接在词尾加-s .,Sum up:1.一般情况下,直接在名
5、词词尾加-s.2.以s,this that I you he / she / it am / is ,these,those,we,you,they,are,单数 复数,this the,Whats this in English?,Its an apple.,What are these?,They are two apples.,Whats this in English?Its an,-What are these?,-Whats this?,-Its a pen.,-They are pens.,-What are these?-Whats this,-What are those?,
6、-Whats that?,-Its an English book.,-They are English books.,-What are those?-Whats that,backpacks,watches,oranges,pens,-Whatre these ?-Theyre .,backpackswatchesorangespens-W,maps,cases,keys,-Whatre those ?-Theyre .,mapscaseskeys-Whatre those ?,给下列可数名词加复数,bird- card- lady- orange- ruler- photo- frien
7、d- boy- watch- girl- case- cat- wife- tree- key- bed- hero- family- dictionary- question- leaf- party- cup-,birds,ladies,oranges,rulers,cats,boys,girls,cases,wives,watches,trees,keys,questions,beds,heroes,friends,families,dictionaries,photos,cards,leaves,parties,cups,给下列可数名词加复数 birdsladiesoranges,句子
8、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 erasers.They are red apples.We are boys.They are teachers.Whatre these ?,句子单数变复数These are books.,复数句子变单数句子 These are dictionaries.单数一般疑问句,并作肯定回答划线提问,This is a dictionary.
9、,Are these dictionaries ? Yes, they are.,What are these ?,复数句子变单数句子 This is a,名词所有格,1.单数名词后加s,复数名词不是s以结尾的也加sTom 的房间 Toms room孩子们的书 childrens books2.以s或es结尾的复数名词的所有格只在名词后加Teachers Day3.表示共同拥有时，只在最后的一个名词后加 s,表示各自拥有时，则在每个名词后面加smother and fathers roommothers and fathers books,名词所有格1.单数名词后加s,复数名词不是s以结尾的也
10、加s,请 注 意 1 如果一样东西为几个人所共有，则只在最后一个名词上加“ s ”。如： Lucy and Lilys father is a teacher 露茜和莉莉的爸爸是名教师。 2 如果所指事物不是两人共有，而是各自所有，则应在每一个名词后加“ s ”。如： Lucys and Marys mothers are teachers 露茜的妈妈和玛丽的妈妈都是医生。,请 注 意,二、of 所有格 无生命事物名词的所属关系，一般常用“ of 名词”来表示，即 of 所有格。如： a map of China 一幅中国地图， the legs of the table 桌子的腿of 所有格
11、与 s 所有格有时可以互换，不过要注意它们物主的位置不同。如： 猫的名字是咪咪。 The name of the cat is Mimi （ of 结构，物主 the cat 在后） The cats name is Mimi （s 结构，物主 the cat 在前 ）,二、of 所有格,1This is李雷的家庭） 2Is that_ （ 比尔 家的一幅照片）？ 3Whats（汤姆妹 妹的名字）？ 4This is（莉莉和露茜 的)room 5They are（格 林夫人的儿子） 6Its mymother） bag,Lileis family.,a photo of Bills famil
12、y?,the name of Toms sister,Lily and Lucys,Mrs. Greens son,mothers bag,1This is李雷的家庭） 2Is,7Are these the（twin） books 8March 8 （三月八日） is （woman） Day 9Whats the girls name （同义句） Whats the the girl 10.一幅中国地图_ 桌子的一条腿_ Sally的棒球拍_ Bill的堂兄_ 我父亲的一位朋友_,twins,womans,name,of,a map of China,a leg of the table,Sa
13、llys baseball bat,Bills cousin,a friend of my fathers,7Are these the（twin）,1.There are _(58个学生)in our class.2.There are_(65个班级)in our school.3.I have _(13本书) in my schoolbag.4.Therere_(27个男生)and _(31个女生) in my class.5.There are_(15台电脑) in that room.6.My grandma is_(82岁).7.There are _(44位女老师) in her
14、school.8.There are _(94位男医生) in that big hospital,1.There are _(58个,9.I can see _(几只鸟) in the tree.10._(多少幅画) are there in you bedroom ?11.I have _(3本字典).12.There are _(12个月) in a year.13.There are _(13辆公共汽车) on the street.14.We can see _(18个妇女) over there.15.There are _(22个孩子) in the room.,9.I can see _,Thank you!,Thank you!,
