I found him on the playground.on the playground是宾语补足语,还是地点状语

I found him on the playground.on the playground是宾语补足语,还是地点状语 I saw them playing football on the playground 这里的地点状语是修饰宾语补足 I saw them playing football 【on the playground 】地点状语修饰宾语补足语 saw them【 playing football]宾语补足语【 in the playground】地点状语修饰宾语 I found her in the room."in the room"到底是宾语补足语还是地点状语? in the playground 还是on the playground? 请问是on the playground还是in the playground 是IN THE PLAYGROUND 还是ON? --Mr.Li,I found a watch on the playground. I found many children playing sports on the playground."play I saw them playing football in the playground 这里的宾语补足语是 play I often see him ____ basketball on the playground.