that is a green pen表语和宾语是否都是pen,其中that是主语?

That is green pen that is a green pen表语和宾语是否都是pen,其中that是主语? this is a red pen.and that is a green pen.（改为同义句） this is a red pen.and that is a___ ___. that is a pen 一般疑问句中的指示代词是做的什么成分?如：Is (that) a green pen? hers,that,green,is,pen(?)连词成句 连词成句：is that green pen his (.) This is his green pen.That is a card.It is an orange.Is that dictionary mine?找出一句错误的并改正 What is this?( ) A.This is a jacket.B.It is green C.It is S D That is my pen. My pen is green.用green提问 This a pen.that is a pen,什么 that is a pen.改成一般疑问句 That is a pen.(变为复数) that is a pen (变为复数） Is that a pen?的同意句 That is her a red pen.改错 What color is the pen?A.It's green color B.Green what is that in English?是It is a pen还是This si a pen还是That is a pen