These are his grandparents.（一般疑问句）——his grandparents?

These are his grandparents连词成句 连词成句 are ,not ,these ,grandparents ,his these are bot grandparents his 连词成句 Those are his grandparents.怎么变为一般疑问句并作否定回答? Mingming visited his grandparents last Friday.(改为一般疑问句) Jim visited his grandparents last Sunday (改为一般疑问句) These are my grandparents?(改为一般疑问句并作肯定回答） His grandparents are very healthy.(改同义句） His grandparents ar He is going to visit his grandparents.（变成一般疑问句） His family members are his grandparents,his parents and his 连词成句 1 are not these grandparents his 2 she aunt his is they are my grandparents 改为一般疑问句