Her brother started to play the piano last year 改为现在完成时

Her brother started to play the piano last year 改为现在完成时 Jack began to play the piano from last year.(改为同义句） jack began to play the piano from last year (改为同义句) Jack began to play the piano from last year. They started to play the piano one or two hours ago.(改为同义句) 1.I started to play the piano when I was six years old.(改为同义 I started to play the piano when I was six years old .(改为同义句 Her aunt started to play the guitar two years ago.对"two year SHE WAS HEARD TO PLAY THE PIANO IN HER ROOM LAST NIGHT,搞不懂啊 The old man died last year(改为现在完成时) He____ ____ He is going to play the piano.改为否定句 Last year i （play） the piano everyday.请问（paly）要用什么时态?