原型-第三人称单数-现在分词-过去式
do-does-doing-did
have-has-having-had
go-goes-going-went
see-sees-seeing-saw
play-plays-playing-played
study-studies-studying-studied
clean-cleans-cleaning-cleaned
stop-stops-stopping-stopped
do-does-doing-did
have-has-having-had
go-goes-going-went
see-sees-seeing-saw
play-plays-playing-played
study-studies-studying-studied
clean-cleans-cleaning-cleaned
stop-stops-stopping-stopped 这就是了
第三人称单数:does have goes sees piays studys cleans stops
现在分词: doing having going seeing playing studying cleaning stopping
过去式: did had went saw played studied cleaned stopped
第三人称单数:does have goes sees piays studys cleans stops
现在分词:doing having going seeing playing studying cleaning stopping
过去式:did had went saw played studied cleaned stopped