these are they pens,病句怎么改？ 改为单数形式句子 these are his pens

These are you pens?No,they are not.\u600e\u4e48\u6539\u6b63?

your\u4f60\u7684

this is his pen.

they 名词，他们的意思 此处修饰pens应用形容词性物主代词their，原句改为
these are their pens

扩展阅读：archer ... these is和theseare ... they are a family ... only a little more than ... this is my family ... i love three things ... they are these are区别 ... trousers ... they rs so big ...