That is green pen

That is green pen that is his green pen一般疑问句 hers,that,green,is,pen(?)连词成句 连词成句：is that green pen his (.) My pen is green. that is a green pen表语和宾语是否都是pen,其中that是主语? This is his green pen.That is a card.It is an orange.Is that this is a red pen.and that is a green pen.（改为同义句） this is a 一般疑问句中的指示代词是做的什么成分?如：Is (that) a green pen? that is a pen That is your pen that is your pen.