原词 第三人称单数 过去式 现在分词
do does did done
get gets got got
take takes took taken
stay stays stayed stayed
look looks looked looked
give gives gave given
watch watches watched watched
study studies studied studied
teach teaches taught taught
原词 单三 过去式 过去分词 现在分词
do does did done doing
get gets got got getting
go goes went gone going
take takes took taken taking
stay stays stayed(staid) stayed(staid) staying
look looks looked looked looking
give gives gave given giving
watch watches watched watched watching
study studies studyed studyed studying
teach teaches taught taught teaching