原词 第三人称单数 现在分词 过去式 be is being was have has having had stop stops stopping stopped stay stays staying stayed do does doing did watch watches watching watched dance dances dancing danced play plays playing played eat eats eating ate see sees seeing saw
原型 第三人称单数 过去式 现在分词 be is was been play plays played played have has had had eat eats ate eaten stop stops stopped stopped see sees saw seen do does did done watch watches watched watched dance dances danced danced
第2个回答 2011-07-30
be being was/were has having had stops stoping stoped stays staying stayed does doing did watches watching watched dances dancing danced plays playing played eats eating ate sees seeing saw