He has bought this motor cycle for two years.
It has been two years since he bought this motor cycle.
He bought this motor cycle two years ago.
Two years have passed since he bought this motor cycle.
She has borrowed this book for three weeks.
It has been three weeks since she borrowed this book.
She borrowed this book three weeks ago.
Three weeks have passed since she borrowed this book.
He has left home for one month.
It has been one month since he left home.
He left home one month ago.
One month has passed since he left home.
