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1、Part of Speech 英语词性,名 词,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.,backpacks,watches,oranges,pens,-Whatre these ?-Theyre .,名词可以分为,可数名词,不可数名词,可数名词：可数名词是指能以数目来计算，可以分成个体的人 或东西；因此它有复数形式 如 mapmaps ，boyboys ，horsehors
2、es,不可数名词：不可数名词是指不能以数目来计算，不可以分成个 体的概念、状态、品质、感情或表示物质材料的东 西；它一般没有复数形式，只有单数形式，它的前 面不能用不定冠词a / an。抽象名词, 物质名词和专 有名词一般是不可数名词 如 water，milk,单数,复数,可数名词,如何变化？,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.,name,pen,card,ruler,names,pens,cards,rulers,box,2. 以s, x, ch, sh等结尾的名词， 在词尾加-es构成
3、复数形式。,boxes,class,classes,watch,watches,brush,brushes,2.,bus,buses,foxes,dishes,3. 以“辅音字母+y”结尾的名词，应改y为i，再加-es。,family,families,comedies,3.,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.,key,cities,strawberries,keys,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
4、子”(wife)用“刀子”(knife)和“树叶”(leaf)把“狼”(wolf)劈成两“半”(half)。,5.,wives,leaves,wolves,roofs,roof,“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：,6. 以o结尾的名词，有的加-s, 有的加-es构成复数形式。,photo,photos,heroes,tomatoes,zoos,6.,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,
5、 hero,巧记:英雄爱吃 土豆炖西红柿。,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 .,不规则变化,A元音发生变化。如：man-men，woman-women，foot-feet， tooth-teeth，mouse-miceB词尾发生变化。如：child-childrenC单
6、、复数同形。如：fish-fish，Japanese-Japanese，deer-deer Chinese-Chinese，sheep-sheep,国籍的单复数,3物质名词（不可数名词）量的表示方法（1）用much，a little，a lot of等表示 money， milk， meat， advice， snow, bread（2）用容器表示 a bowl of rice，a glass of water， a cup of tea， two glasses of milk， two pieces of paper,给下列可数名词加复数,bird- card- lady- orange-
7、 ruler- photo- friend- 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,this that I
8、you he / she / it am / is ,these,those,we,you,they,are,单数 复数,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 erasers.They are red apples.We are boys.They are teachers.Whatre these ?,复数句子变单数句子 These are dictionaries.单
9、数一般疑问句,并作肯定回答划线提问,This is a dictionary.,Are these dictionaries ? Yes, they are.,What are these ?,一、写出下列单词的复数I- 2.am- 3.he 4.pencil- 5.watch- 6.dictionary- 7. man- 8.it- 9. parent - 10.boy,we,are,they,pencils,watches,dictionaries,men,they,parents,boys,exercises,将下列名词变为复数 :egg-( ) bird- ( ) pen- ( ) l
10、eg- ( ) chair- ( ) chick-( )dish-( ) fish- ( ) church-( ),pencilbox- ( ) bus- ( ) box- ( ) boy- ( ) toy- ( ) key-( ) donkey-( ) monkey-( ) fly-( ) baby- ( ) candy- ( ) family- ( ) potato-( ) tomato-( ),用单词的适当形式填空 :,: There are four _(apple) on the ground.There are five _(bird) in the tree.I have thr
11、ee _(eraser).There is one _(cap) on the desk. I have two _(pencil-box).There are nine _(dish) on the plate.There are two _ (boy) in our classroom.组卷网There are so many _(leaf) on the tree,二、句型转换1.This is my mother.,1）变否定句 2）变一般疑问句，并作肯定回答,This is not my mother.Is this your mother ?Yes, it / she is.,二、
12、句型转换1.This is my mother.,1）变否定句 2）变一般疑问句，并作肯定回答,This is not my mother.Is this your mother ?Yes, it / she is.,句型转换1.Whats this ? 复数,Whatre these ?,2.Hes a Chinese boy. 复数,Theyre Chinese boys.,3.This is a bike. 否定句复数句一般疑问句，并作肯定回答,This is not a bike.These are bikes.Is this a bike ?Yes, it is.,5.These are dictionaries.单数一般疑问句,并作肯定回答划线提问,This is a dictionary.,Are these dictionaries ? Yes, they are.,What are these ?,Thanks,