I can sing and swim.变成一般疑问句

I can sing and swim.变成一般疑问句 I can sing and swim.变成一般疑问句and要改为or吗 把I can sing 变成一般疑问句,怎么变? I can run and swim（改成一般疑问句） He can sing .变成一般疑问句 I can not swim.变成一般疑问句怎么变?要用否定问吗? The girl can dance and sing.改为一般疑问句 .Linda can sing and dance very well.(改为一般疑问句) I can't sing( ) dance,but I can swim( )skate.A and ,and B or I can swim in the river 改为一般疑问句 I can swim.改为一般疑问句,作否定回答 I can (swim) .否定句、一般疑问句、提问