動詞的-ing形式
go—going do—doing walk—walking jump—jumping climb—climbing play—playing teach—teaching catch—catching watch—watching read—reading cook—cooking clean—cleaning answer—answering listen—listening collect—collecting count—counting run—running swim—swimming
have—having live—living make—making take—taking use—using dive—diving write—writing ride—riding
go—going do—doing walk—walking jump—jumping climb—climbing play—playing teach—teaching catch—catching watch—watching read—reading cook—cooking clean—cleaning answer—answering listen—listening collect—collecting count—counting run—running swim—swimming
have—having live—living make—making take—taking use—using dive—diving write—writing ride—riding