I sing a song改为过去完成时 ,再改为被过去完成时的被动语态,A song _____ by me

I sing a song改为过去完成时 ,再改为被过去完成时的被动语态,A song _____ by me I'm going to sing a song.(改为一般疑问句） I want to sing a song for you 改为否定句 I want to sing a song for I'will sing a song to you I heard him sing a song in the next room just nom .(改为同义句）He ( ) ( )( ) sing a song in the next room just nom. I want to sing a song for you sing for I can sing song songs (改为一般疑问句) I can sing an English song改为一般疑问句 will you sing a song for us?改为同义句 willl you sing a song for us?改为同义句 Is he going to sing a song(改为被动语态) Let's sing a song.(改为反义疑问句） Sing A Song 歌词 sing a song sing a song是什么意思 sing a song是什么意思 改为反意疑问句 1,I think he is a teacher 2,The girl can sing an English song