Have you got a dog?
He has got a dog.
Have you bought some fish?
He has bought some fish.
Have you been to Beijing?
He has been to Beijing.1. He has bought some fish.2. He has been to Beijing.把他们改为三单形式，改了就顶你。谢谢。这就是第三身单数形式啊，我在上面帮你回答过了，请参考上面的吧。。。请注意，是它们1. He has bought some fish.2. He has been to Beijing.呵呵，看错了，1.He buys some fish.2.He goes to Beijing.