萱妃
春芽
共回答了13个问题采纳率:92.3% 举报
辅音+y要去y变成i再加es,是studies,如:family,复数为families;而day是元音+y,这样是直接加s,是days,如:birthday,复数是birthdays;以o结尾的有生命的+es,如:tomato,复数是tomatoes;无生命的+s,如:piano,复数是pianos;以sh,ch,s,ss结尾的+es,如:dress,复数是dresse等;以fe,f结尾的要把f,fe变成v+es,如:knife,复数是knives;其余的加s.
1年前
10