题目内容：

show、give、hope、sing、clean、drive、run、study的第三人称、-ing形式和过去式

优质解答

第三人称、-ing形式 、过去式
shows , showing, showed
gives , giving , gave
hopes, hoping ,hoped
sings , singing, sang
cleans , cleaning, cleaned
drives , driving , drove
runs, running , ran
studies, studying , studied