只要记住方法,把原形变单数第三人称方法
1、一般情况加S
2、以s,x,ch,sh,o结尾的加es
3、y前是辅音改y为i加es
4、特殊情况have变has
empty、empties,emptied emptied
water、waters,watered,watered
sweep、sweeps,swept swept
make 、makes,made,made
set、sets,set,set
put、puts,put,put
use、uses,used,used
work,works,worked worked