works, working, workedborrows,borrowing, borrowed三单begins, 现在分词beginning, 过去式begankeeps, keepingflies, flying
work的三单单词是（）,现在分词是（）,过去式是（）；borrow的三单是（）,现在分词是（）,过去式是（）,过去分词
works, working, workedborrows,borrowing, borrowed三单begins, 现在分词beginning, 过去式begankeeps, keepingflies, flying