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1、名词名词单数单数变变复数复数-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 .Whats this?Its _ _.What color is it?Its _.Its _ _ ruler.arulerorangeorangean复数句复数句：What are these?They are ru
2、lers.What color are they?Theyre orange.They are orange rulers.单数句单数句mapscaseskeys-Whatre those?-Theyre .名词单数变复数名词单数变复数(一一)规则变化规则变化:1.1.加加s s 2.2.加加s,x,s,x,chch,shsh结尾的名词加结尾的名词加eses3.3.以辅音字母加以辅音字母加y y结尾的名词结尾的名词,先改先改y y为为i,i,再加再加eses(mothers,fathers,sisters,brothers)(buses,boxes,watches)(family -famil
3、ies dictionary-dictionaries)区别区别 key keys boy-boys(二二)不规则变化不规则变化:4.单复数同形单复数同形(不变不变):sheep(绵羊绵羊)deer(鹿鹿)fish(鱼鱼)2.man,woman men,women1.加加es:potatoes(土豆土豆)tomatoes(西红柿西红柿)Chinese(中国人中国人)Japanese(日本人日本人)6.oo ee：foot(脚脚)tooth(牙齿牙齿)goose(鹅鹅)5.以以 f/fe结尾的结尾的,变变f为为v,再加再加eswife(妻子妻子)knife(小刀小刀)shelf(架子架子)lea
4、f (叶子叶子)wolf(狼狼)3.child（孩子）孩子）children（男人，妇女）男人，妇女）名词单数变复数后名词单数变复数后s/es 的读音的读音1.在清辅音后读在清辅音后读/s/2.在元音和浊辅音后读在元音和浊辅音后读/z/3.在在/s/z/t /d /后后 读读/iz/4.在在/t/后读后读/ts/，在在/d/后读后读/dz/desks mapsbrothers pensclasses,watches,orangescats,friends pen desk key box knife card orange boy friend parent mother father sis
5、ter brother son daughter cousin family child man pencil case sheepssssesknivessssssssssssfamilieschildrenmenssheep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.T
6、hey are teachers.Whatre these?this that I you he/she/it am/is thesethoseweyoutheyare 单数单数 复数复数一、写出下列单词的复数一、写出下列单词的复数1.I-2.am-3.he 2.4.pencil-5.watch-3.6.dictionary-4.7.man-8.it-5.9.parent-10.boy wearetheypencils watchesdictionaries men they parentsboys二、句型转换二、句型转换1.This is my mother.1）变否定句）变否定句 2）变一
7、般疑问句，并作肯定回答）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.2.That is a car.1）变否定句）变否定句 2）划线提问）划线提问3)变复数句变复数句That is not a car.Whats that?Those are cars.3.Thats an English dictionary.1）变否定句）变否定句 2）变一般疑问句，并作否定回答）变一般疑问句，并作否定回答Thats not an English dictionary.Is that an English dict
8、ionary?No,it isnt.4.Her family names Smith.5.My jacket is light blue.6.is,that,brother,my,Dave 组词成句组词成句划线提问划线提问划线提问划线提问Whats her family name?What color is your jacket?That is my brother,Dave.句型转换句型转换1.1.Whats this?Whats this?复数复数 Whatre these?2.Hes a Chinese boy.2.Hes a Chinese boy.复数复数Theyre Chines
9、e boys.3.This is a bike.3.This is a bike.否定句否定句复数句复数句一般疑问句，并作肯定回答一般疑问句，并作肯定回答This is not a bike.These are bikes.Is this a bike?Yes,it is.4.4.That is my brother.That is my brother.否定句否定句一般疑问句，并作否定回答一般疑问句，并作否定回答That is not my brother.Is that your brother?No,it/he isnt.5.5.These are These are dictionar
10、iesdictionaries.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?Found:Golden ring.Is this your ring?Please call Mary.Phone#235-0285.ring.根据所给提示，完成下面的招领启事和寻物启事。根据所给提示，完成下面的招领启事和寻物启事。Found:Is thisPleaseBob.捡到一个笔记本，失者可打电话425-6801找Bob.?Phone#今丢
11、失双肩背包一个，有拾到者可打电话今丢失双肩背包一个，有拾到者可打电话695-3059与与David联系。联系。Lost:My .MyPleaseis David.695-3059.be动词：动词：根据人称和数应有根据人称和数应有am，is，are三种形式的变化。三种形式的变化。我用我用am,你用你用are,is连着他连着他,她她,它它;单数名词用单数名词用is,复数名词全用复数名词全用are.变否定变否定,更容易更容易,be 加加not就可以就可以;变问句变问句,be前提前提,句末问号莫忘记句末问号莫忘记.How are you?I am fine,thanks.How_ your mothe
12、r?She _fine.How _ your parents?They _ fine.areareisI am=She is=They are =问候，寒暄：Good morning/afternoon/evening/night.How do you do?Hello/Hi!Nice to meet you.Im ShesTheyreis3.词汇词汇 A)用下列所给单词的适当形式填空。用下列所给单词的适当形式填空。1.Look!Are (that)maps?2.Where (be)the childrens mother?3.Five (backpack)are on the bed.4.Mr Wang has two (pencil).One is blue and the other is red.5.Mum,(these)is my friend.thoseisbackpackspencilsthis