所有的单词的现在分词和过去式都一样吗?

不一定哦 有AAA ABB ABA ABC等多种形式的,像be-was/were-been不一样,而teach-taught-taught就一样.-----------------AAA:put-put-put,cut-cut-cutABA:come-came-come,run-ran-runABC:go-went—gone等等很多ABB:teach...