1、名词名词单数单数变变复数复数名词名词是表示人事物地点或者抽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名词用单数；表示两个或两个以上的事物的名词用复数。的事物的名词用复数。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规则变化1.一般情况下，直接在词尾加-s构成复数形式。carback
2、packcarsbackpacksbookbooks1.namepencardrulernamespenscardsrulersbox2.以s,x,ch,sh等结尾的名词，在词尾加-es构成复数形式。boxesclassclasseswatchwatchesbrushbrushessxshch2.busbusesfoxesfox(狐狸)dish(盘子)dishes3.以“辅音字母+y”结尾的名词，应改y为i，再加-es。familyfamiliescomediescomedy(喜剧)yyld3.4.以“元音字母+y”结尾的名词，直接在词尾加-s构成复数形式。boyboysdaydaysoayy
3、4.keycitiesstrawberrieskeyscity(城市)strawberry(草莓)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)。5.wivesleaveswolveswife(妻子)leaf(树叶)wolf(狼)roof(屋顶)roofsroof 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，
4、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.this that I you he/she/it am/is thesethoseweyoutheyare 单数单数 复数复数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
5、book.-They are English books.backpackswatchesorangespens-Whatre these?-Theyre .mapscaseskeys-Whatre those?-Theyre .给下列可数名词加复数 bird-card-lady-orange-ruler-photo-friend-boy-watch-girl-case-cat-wife-tree-key-bed-hero-family-dictionary-question-leaf-party-cup-birdsladiesorangesrulerscatsboysgirlscaseswi
6、veswatchestreeskeysquestionsbedsheroesfriendsfamiliesdictionariesphotoscardsleavespartiescups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.What
7、re these?复数句子变单数句子复数句子变单数句子 These are These are dictionariesdictionaries.单数单数一般疑问句一般疑问句,并作肯定回答并作肯定回答划线提问划线提问 This is a dictionary.Are these dictionaries?Yes,they are.What are these?名词所有格名词所有格1.单数名词后加s,复数名词不是不是s以结尾的也加sTom 的房间 Toms room孩子们的书 childrens books2.以以s或或es结尾的复数名词结尾的复数名词的所有格只在名词后加Teachers Day
8、3.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 请请 注注 意意 1 如果一样东西为几个人所共有，则只在最如果一样东西为几个人所共有，则只在最后一个名词上加后一个名词上加“s”。如：。如：Lucy and Lilys father is a teacher 露茜和莉莉的爸爸是名教师。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有，则应在每一个名词后加“s”。如：。如：Lucys a
9、nd Marys mothers are teachers 露茜的妈妈和玛丽的妈妈都是医生。露茜的妈妈和玛丽的妈妈都是医生。二、二、of 所有格所有格 无生命事物名词的所属关系，一般常用无生命事物名词的所属关系，一般常用“of 名词名词”来表示，即来表示，即 of 所有格。如：所有格。如：a map of China 一幅中国地图，一幅中国地图，the legs of the table 桌子的腿桌子的腿of 所有格与所有格与 s 所有格有时可以互换，不过要所有格有时可以互换，不过要注意它们物主的位置不同。如：注意它们物主的位置不同。如：猫的名字是咪咪。猫的名字是咪咪。The name of
10、the cat is Mimi（of 结构，物主结构，物主 the cat 在后）在后）The cats name is Mimi（s 结构，物主结构，物主 the cat 在前在前）1 1This isThis is李雷的家庭）李雷的家庭）2 2Is thatIs that_ （比尔比尔 家的一幅照片）？家的一幅照片）？3 3WhatsWhats（汤姆妹（汤姆妹 妹的名字）？妹的名字）？4 4This isThis is（莉莉和露茜（莉莉和露茜 的的)room)room 5 5They areThey are（格（格 林夫人的儿子）林夫人的儿子）6 6Its myIts mymothermo
11、ther）bag bag Lileis family.a photo of Bills family?the name of Toms sisterLily and Lucys Mrs.Greens sonmothers bag7 7Are these theAre these the（twintwin）books books 8 8March 8 March 8（三月八日）（三月八日）is is （womanwoman）Day Day 9 9Whats the girls nameWhats the girls name （同义句）（同义句）Whats the Whats the the g
12、irlthe girl 10.10.一幅中国地图_ _ 桌子的一条腿_ Sally Sally的棒球拍的棒球拍_ Bill Bill的堂兄的堂兄_ 我父亲的一位朋友_ twinswomansnameofa map of China a leg of the tableSallys baseball batBills cousina friend of my fathers1.There are _(581.There are _(58个学生个学生)in our)in our class.class.2.There are_(652.There are_(65个班级个班级)in our scho
13、ol.)in our school.3.I have _(133.I have _(13本书本书)in my schoolbag.)in my schoolbag.4.Therere_(274.Therere_(27个男生个男生)and)and _(31_(31个女生个女生)in my class.)in my class.5.There are_(155.There are_(15台电脑台电脑)in)in that room.that room.6.My grandma is_(826.My grandma is_(82岁岁).).7.There are _(447.There are _(
14、44位女老师位女老师)in)in her school.her school.8.There are _(948.There are _(94位位男医生男医生)in that big hospital,)in that big hospital,9.I can see _(9.I can see _(几只鸟几只鸟)in)in the tree.the tree.10._(10._(多少幅画多少幅画)are there in you bedroom?are there in you bedroom?11.I have _(311.I have _(3本字本字典典).).12.There are _(12There are _(12个月个月)in)in a year.a year.13.There are _(1313.There are _(13辆公共汽车辆公共汽车)on)on the street.the street.14.We can see _(1814.We can see _(18个妇女个妇女)over)over there.there.15.There are _(2215.There are _(22个孩子个孩子)in)in the room.the room.
