Helen often play the piano at the weekends改为否定句
Helen often play the piano at the weekends改为否定句
Helen often play the piano at the weekends改为一般疑问句
Helen often play the piano at the weekensds一般疑问句的否定句
Helen often thinks the cartoon is funny(改为否定句)
He is going to play the piano.改为否定句
Jane's mother can play the piano改为否定句
She can play the piano (改为否定句)
Mike can sing and play the piano.(改为否定句)
Play the piano loud,please.改为否定句
my sister often plays the piano.改为否定句
she can play the piano否定句
I often play the guita.改为否定句