the boy is my friend 怎么改成一般疑问句?

the boy is my friend 怎么改成一般疑问句? The boy is tall and strong.怎么改成一般疑问句? My friend is an English boy?改为一般疑问句 That girl is my friend 改成一般攻疑问句 怎样把 The boy is playing basketball.改成一般疑问句 The boy is playing basketball.改成一般疑问句. The boy is Bob怎样改成一般疑问句 The boy is making a model plane 改成一般疑问句 The boy can read the newspaper.怎么改成一般疑问句? My friend likes strawberries.改成一般疑问句 把"the boy is my brcther''改成特殊疑问句 This is my friend Harry改成一般疑问句是什么,特殊疑问句又是什么