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1、单数句变复数句名词单数变复数的一般规则： 1、一般情况直接加-seg:map--maps 2、以s,x,z,ch,sh结尾，直接加上–es:eg:glass--glasses 3、以f或fe结尾，变f,fe为ves,eg:knife---knives 4、辅音字母+y结尾，把y变i再加-es；eg:family--families 5、以o结尾有生命的加es,eg:hero,tomato,potato无生命的直接加s,eg:radio---radios练习题一、把下列句子变复数句1、Thisisadog._______________________________________
2、____2、ThatisJack’sbook.________________________________________3、Iamastudent._________________________________________4、Itismypen.______________________________________________5、Whatisthis?_____________________________________________6、Heisapoliceman._________________________________________7、
3、Thereisawolfinthegarden._________________________________二、把下列复数句变单数句1、Mybooksarenew.________________________________________2、Thesearehisnewfriends.__________________________________3、Thoseglassesareonthetable._______________________________4、Sophie’sshirtsarewhite.___________________________
4、_________5、Therearesomedesksintheclassroom.________________________________________________________6、Thesearemyfavoritepencils.________________________________1.Thisismyruler.__________________ruler?肯定回答：Yes,____________.否定回答：_____,____________.2.Theseareapples.____________apples?肯定回答：Yes,____
5、________.否定回答：_____,____________.3.Myname’sTom.__________________Tom?肯定回答：Yes,____________.否定回答：_____,____________.4.Oursonsaretheirteachers.__________________theirteachers?肯定回答：Yes,____________.否定回答：_____,____________.5.I’mMary.___________________?肯定回答：Yes,____________.否定回答：_____,____________
6、.6.He’smyfather.__________________father?肯定回答：Yes,____________.否定回答：_____,____________.7.Sheismymother.__________________mother?肯定回答：Yes,____________.否定回答：_____,____________.8.We’regoodfriends.____________goodfriends?肯定回答：Yes,____________.否定回答：_____,____________.9.That’sanegg._________________
7、_________?肯定回答：Yes,____________.否定回答：_____,____________.10.Thoseareourcups._________________________?肯定回答：Yes,____________.否定回答：_____,____________.11.It’smine.__________________?肯定回答：Yes,____________.否定回答：_____,____________.12.Theyareou
