同义句转换 He has been in Beijing for 10 years.

问题描述:

同义句转换 He has been in Beijing for 10 years.

He went to Beijing 10 years ago

He has been in Beijing since10 years ago.
it is 10 years since he went/moved to beijing.
he moved/went to beijing 10 years ago.

He has been in Beijing for 10 years.=
He has been in Beijing since10 years ago.

He has been in Beijing for 10 years.
=it has been 10 years since he lived in beijing