He can swim.改为否定句.

He can swim.改为否定句. I'm not sure he can swim 改为否定句 she can swim.（改为否定句） They can swim in the river.(改为否定句） She can swim改为否定句怎么改?充分 I think chickens can swim.改为否定句：I ( )think chicken can not swim. He can swim very well.(否定句） He can play football改为否定句 He can play football.改为否定句. I think the girl can swim.(改为否定句) I____think the girl____ swim. can he swim同义句()he()()swim? He can swim very well改为同义句He ___ ___ ___ swim very well. He thinks he can play the erhu 改为否定句 He can swim.否定句（ ） 疑问句（ ） 肯定回答（ ） 否定回答（ ） swim in the lake 改为否定句 否定句怎么改?he can swim和l can draw 明天要交作业的! You can’t swim in the lake.改为否定祈祷句 I think I can swim faster than the boy.(改为否定句)