神马品牌网无人机巡线的优势:写出下列动词的第三人称单数形式和现在分词形式
来源：百度文库 编辑：神马品牌网 时间：2024/05/10 12:26:18
1.run____ ____ 2.say____ ____ 3.do____ ____
4.write____ ____ 5.order____ ____ 6.open____ ____ 7.study____ ____ 8.have____ ____
4.write____ ____ 5.order____ ____ 6.open____ ____ 7.study____ ____ 8.have____ ____
runs ran
says said
does done
writes written
orders order
opens openning
studies studied
has had
runs running
says saying
does doing
writes writing
orders ordering
opens opening
studys studing
has having
runs running
says saying
does doing
writes writing
orders ordering
opens opening
studys studing
has having