动词变名词的规则形式
问题描述：
动词变名词的规则形式
答
相关规则清参考nciku的酷词公园，里面有很多
答
am/is-was are-were become-became begin-began bing-brought buy-bought catch-caught come-came do-did eat-ate feel-felt find-found get-got give-gave go-went grow-grew have/has-had hear-heard know-knew ma...