名词和所有格

1、Unit 3 Key sentences 介绍人物介绍人物 This is my sister./That is my brother. These/ Those are my parents/friends.Thanks for sth./doing sth. 因为因为而感谢！而感谢！ Is this your sister? Yes, it is./ No, it isnt. Is that your brother? Yes, it is./ No, it isnt. Are these / those your brothers? Yes, they are. / No, they a

2、rent.注意注意:上文提到指示代词上文提到指示代词this/thatthis/that下文用下文用itit代替，上文提到指示代词代替，上文提到指示代词these/thosethese/those下文下文用用theythey代替代替. . 可数普通名词的单复数形式及运用 识别不可数名词及其在句中的主谓 一致问题 专有名词 名词的所有格关于名词关于名词1.名词可分为：名词可分为：普通普通名词名词：就是本来就存在的一般东西的名词，就是本来就存在的一般东西的名词，如：如：water, desk, book, air, work等。等。普通名普通名词又分为词又分为可数可数名词和名词和不可数不可数名词名

3、词,可数名词可数名词有有单、复数单、复数,不可数名词不可数名词没有没有复数形式。复数形式。专有专有名词名词：是特定的某人、地方或机构的名称，是特定的某人、地方或机构的名称，即即:人名，地名，节日名，时间名，国家名，单人名，地名，节日名，时间名，国家名，单位名，组织名等等。专有名词的位名，组织名等等。专有名词的首字母首字母必须必须大大写写。例如：。例如：Hemingway海明威海明威 New York 纽约纽约 Sunday星期日星期日United Nations联合国等联合国等2.可数名词可数名词在句中使用时一定要考虑到在句中使用时一定要考虑到单、单、复复数问题。可数名词单数不能单独使用，前数

4、问题。可数名词单数不能单独使用，前面必须有冠词面必须有冠词a/an/the或者是或者是形容词性物主形容词性物主代词代词等其它限定词等其它限定词(如如:a cat, an apple, the boy, my watch等等)，表达，表达一类事物一类事物常用复数常用复数形式，也可用单数。形式，也可用单数。e.g. Apples are delicious. An apple is delicious. His car is very expensive. Your second question is too easy. 1)不可数名词作主语时，谓语动词要用不可数名词作主语时，谓语动词要用_。2

5、) 如果要表示不可数名词的数量，可以借助于单如果要表示不可数名词的数量，可以借助于单位词来表示，常用的结构有：位词来表示，常用的结构有：表示液态的不可数名词数量的结构有：表示液态的不可数名词数量的结构有：表示固态的不可数名词数量的结构有表示固态的不可数名词数量的结构有：单数形式单数形式a cup/glass/bottle +of+ 不可数名词不可数名词 a piece/slice+ of + 不可数名词不可数名词不可数名词在句中的运用不可数名词在句中的运用 名词名词在句中可以作主语、表语、宾语、复在句中可以作主语、表语、宾语、复合宾语、定语、状语和同位语等成分。合宾语、定语、状语和同位语等成分

6、。 Our country is getting richer and richer. We are students. I bought a computer five years ago. I found him a clever boy. There are many apple trees on the hill.可数名词复数的规则变化可数名词复数的规则变化一、一般情况加一、一般情况加 s 1.清辅音后读清辅音后读/s/： map-maps2.浊辅音和元音后读浊辅音和元音后读/z/:bag- bags; car- cars二、以二、以s, x , sh, ch 结尾的词加结尾的词加-e

7、s读读 /iz/： bus-buses; watch-watches三、以辅音字母加三、以辅音字母加y结尾的名词变结尾的名词变y为为i加加es: city- cities, baby-babies四、以四、以o结尾的加结尾的加es的单词：的单词：hero- heroes potato-potatoestomatotomatoes五、以五、以f或或fe 结尾的名词变复数时结尾的名词变复数时,变变f/fe为为v， 再加再加es。 如：如：half-halves thief-thieves leaf-leaves wolf-wolves wife-wives life-lives knife-kni

8、vesshelf-shelves名词复数的不规则变化名词复数的不规则变化 child-childrenfoot-feettooth-teeth mouse-mice man-men woman-women 注意：与注意：与 man 和和 woman构成的合成词，其复数构成的合成词，其复数形式也是形式也是 -men 和和-women。 如：如： an Englishman，two Englishmen. woman doctor women doctors man teacher men teachers 但但German/American/Australian/Canadian等等不是合成词，

9、故复数形式直接在词尾加不是合成词，故复数形式直接在词尾加s. 单复同形单复同形1) deer，sheep，fish，Chinese，Japanese 2) li, jin, yuan, two li, three mu， four jin 但除人民币元、角、分外，美元、英镑、法但除人民币元、角、分外，美元、英镑、法郎等都有复数形式。如郎等都有复数形式。如: a dollar, two dollars; a meter, two meters写出下列单词的复数形式：写出下列单词的复数形式： leaf thief knife box fox bus peach dish glass watch d

10、og ruler pencil radio zoo hero boy day key guy lady story city deer sheep man foot mouse child tooth把下列句子改为复数形式把下列句子改为复数形式 ：1.This is a box and that is a knife。 2.There is a watch on the desk. 3. It is my book. 4.That is a mouse. These are boxes and those are knives.There are some watches on the des

11、k.They are our books.Those are mice.5. He is a man doctor.6.This is an apple tree.They are men doctors. They are apple trees. 用所给单词的正确形式填空：用所给单词的正确形式填空：1. There are so many _ (wolf) in the forest.2. There are three _ (chair) in the classroom.3. These _ (tomato) are red.4. _ (hero) are great.5. My br

12、other looks after two _ (baby).6. There are some _ (deer) eating the grass.7. My father likes to eat _ (potato).8. Tom and King are _ (boy).9. There are two _ (man) English teacher here.wolveschairstomatoesHeroes babiesdeerpotatoesboysmen1. Chinese _ (people) like to eat noodles.2. I have a lot of _

13、 (toy) in my bedroom.3. I help my mother wash _ (dish) every day.4. I have two _ (pencil-box).5. There are some _ (bus) in the street.6. Peter has eight _ (foot).7. Linda has four _ (tooth).8. There are some _ (child) in the garden.9. Michael likes the _ (mouse).peopletoysdishespencil-boxesbusesfeet

14、teethchildrenmice 名词所有格名词所有格1.一般情况在词尾加一般情况在词尾加s,以以s结尾的复数在词尾加结尾的复数在词尾加 e.g. Teachers Day 2.名词所有格可以修饰名词做定语相当于形容词性物主名词所有格可以修饰名词做定语相当于形容词性物主代词，也可以做主语，宾语，表语等相当于名词性物代词，也可以做主语，宾语，表语等相当于名词性物主代词。主代词。 e.g. This is Tonys room. These are my books and those are Jims. Your hat is red but your sisters is white.3.双重所有格双重所有格 表示两个人共同拥有时候，只变后者为所表示两个人共同拥有时候，只变后者为所有格，表示分别拥有则都要变所有格有格，表示分别拥有则都要变所有格e.g. This is Lucy and Lilys room. These are Lucys and Lilys books. 8.Last week I went to my _ ( aunt) house to teach her how to send e-mail. 9. Th