this is Jane's cap.
It's Jane's cap.
my cap is on the bed.
The cap on the bed is mine.
如有疑问,请追问.
无疑后请采纳.
书山有路勤为径,学海无涯苦作舟.
-----------与君共勉-----------那个，第二句my cap is on the bed，变同义句前面只有一个空后面不变是这样的—is on the bed【Mine】is on the bedmine = my cap