最佳答案:过去式began 过去分词 begun,【但愿能帮上你】
最佳答案:know knew knownhave had hadtry tried triedsing sang sungbegin began begun
最佳答案:过去时began.过去分词 begun
最佳答案:egan begun
最佳答案:egin过去式:began过去分词:beguning:beginning
最佳答案:think thought thoughtsit sat sittenbegin began begunrun ran run
最佳答案:过去式 过去分词 汉意1 preferred preferred 宁愿2 flew flown 流动3 dreamt (或dreamed) dreamt 做梦4
最佳答案:1.began begun 2.sent sent 3. listened listened 4. went gone 5. taught taught 6.