Amy is going to is an artist.为何将is改为be

Amy is going to is an artist.为何将is改为be to,be,Amy,an,is,going,artist. 连词成句:be,is,going,amy,to,artist,an She is going to be an artist in the be,is,a,amy,singer,going,to -()is she going to be an artist?-by take acting lessons (连词成句）going,be,she,artist,an,is,to He is going to be an artist（同义句）要快! He is going to visit an artist tomorrow.(visit an artist是画线部 Amy is going to see the doctor 改为一般疑问句 Amy is going to be a wreter.的问句 Amy is going to visit her