He can paint.改为否定句

He can swim.改为否定句. He can play football改为否定句 He can play football.改为否定句. he can paint she can sing I can dance改否定句,疑问句,再肯定回答和否定回答 He thinks he can play the erhu 改为否定句 The little boy is learning to paint.(改为否定句) He can speak both English and French.改为否定句 i suppose he can pass the exam改为否定句 He can empty the trash .（改为否定句） He can mend the broken bike.(改为否定句） He can ride a horse. （改为否定句） )I suppose he can pass the exam.(改为否定句)