写出下列动词的第三人称单数形式、动词+ing形式和过去式
问题描述:
写出下列动词的第三人称单数形式、动词+ing形式和过去式
spend see write watch sit read have listen
答
spend spends spending spentsee sees seeing sawwrite writes writing wrotewatch watches watching watchedsit sits sitting satread reads reading readhave has having hadlisten listens listening listened