Which is your pen是对句中哪个成分提问?Which pen is yours?又是对句中哪个成分提问?

Which is your pen是不是就等于Which pen is your pen?我觉得在Which is your pen中which是对主语提问,在Which pen is your pen中which是对定语提问. Which is your pen是对句中哪个成分提问?Which pen is yours?又是对句中哪个成分提问? Which is your pen?The pen on the shelf is my pen.问句里的which是对回答中的主语还是定语提的问? which is your pen的答句It is green对不对 连词成句：this ,your ,is ,pen ,. what color is your pen 答句 Is this your pen?同义句转换 选择疑问句的问题,句型很简单的（1）Is my pen or your pen?和Is your pen or my pen 哪一句是正确的,是符合英语的习惯说法的?（2）回答,It isn't your pen.It's my pen.能不能先说肯定部分It's your pen it's my pen. Is this your pen变成肯定句和否定句 改错句 Is your pen black --------------------yes ,it is My pen is red.What color is your pen?同义句填空 My pen is red.（ ）（ ）yours? that is your pen. colour is what pen your 连词成句 将这些单词pen,is,your,it,?连词成句 is this your pen（变为肯定句） Where is your pen pal from?他的同义句 Were is your pen friend from?(变为同义句） rewer is your mine pen than 连词成句