We began to study hear 2 year ago.改为同义句 用since或for转化为现在完成时的句

We began to study hear 2 year ago.改为同义句 用since或for转化为现在完成时的句 改同义句：we began to study here about 2 years ago.=we( )( )here( I began to study here two years ago 同义句 同义句转化 1.We began to know each other three years ago.Three ye We began to learn English three years ago.改为同义句 we began to learn english three years ago 同义句 The girl began to study English the year before last.（同义句） The match began five minutes ago.(改为同义句） She began to learn French three months ago如何改为同义句? David began to work in this factory 10 years ago(改为同义句） Tom began to work in the bank five yeas ago.改为同义句 nancy began to write novels three years ago改为同义句