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 -s eg: 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 、This is a dog.___________________________________________
2、 That is Jack’s book.________________________________________
3、 I am a student._________________________________________
4、 It is my pen.______________________________________________
5、 What is this?_____________________________________________
6、 He is a policeman._________________________________________
7、There is a wolf in the garden._________________________________
二、把下列复数句变单数句
1、My books are new. ________________________________________
2、These are his new friends.__________________________________
3、Those glasses are on the table._______________________________
4、Sophie’s shirts are white.____________________________________
5、There are some desks in the classroom.
________________________________________________________
6、These are my favorite pencils.________________________________
