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)
He can swim well的否定句
sam is from London.(就划线部分提问) He can swim.(改为否定句)
She can swim改为否定句怎么改?
They can swim in the river.(改为否定句)
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.
can he swim同义句()he()()swim?
He can swim very well改为同义句