they can swim 变一般疑问句和否定句

they can swim 变一般疑问句和否定句 My father can swim变一般疑问句,特殊疑问句和否定句,划线部分swim they can swim 改为疑问句 I can not swim.变成一般疑问句怎么变?要用否定问吗? The hen can swim.变一般疑问句并做否定回答. i can swim(改为一般疑问句) the duck can swim的一般疑问句 Lucy can swim.变为一般疑问句 ducklings can swim 改成一般疑问句 Ducks can swim.( 改一般疑问句) They have some pencils.变一般疑问句 2.It is maths.变否定句 3.These are our english books.变否定句4.He can swim变否定句.5.Are they your cups?否定回答 6.Is this his table?肯定回答 7.Do you have a mug?肯定回答 8.Does he lik They live in China.(变一般疑问句) they have some ruler变一般疑问句 They are English books.变一般疑问句 They speak Chinese （变一般疑问句） they have round face变一般疑问句 They have round faces.变一般疑问句 They look cool 怎么变一般疑问句?