第1个回答 2009-09-15
1.直接加s dog-dogs
2.直接加es watch-watches
3.去y变i加es family-families
4.去f或fe变v加es knife-knives
还有直接名词前加more or much本回答被提问者采纳
第2个回答 2009-09-14
1.直接加s dog-dogs
2.直接加es watch-watches
3.去y变i加es family-families
4.去f或fe变v加es knife-knives
第3个回答 2009-09-14
s cat cats
es watch watches
ves leaf leaves