The boy is Bob怎样改成一般疑问句

The boy is Bob怎样改成一般疑问句 怎样把 The boy is playing basketball.改成一般疑问句 He is Bob改成一般疑问句 The boy is tall and strong.怎么改成一般疑问句? The boy is playing basketball.改成一般疑问句. the boy is my friend 怎么改成一般疑问句? The boy is making a model plane 改成一般疑问句 The boy is Jim Green.怎样改为一般疑问句? The boy is waiting for his mothe under the big tree 改成一般疑问句 The boy under the tree is hungry改成一般的疑问句和否定句 the boy with a big mouth is mike改成一般疑问句 The boy is six改为一般疑问句