例一：
Where do you come from?He asked Lucy.合并为一句：He asked Lucy where she comes from.
Where do you come from是疑问语序,where she comes from是陈述语序.
例二：
How old is Jim?She asked.合并为一句：She asked how old Jim was.
How old is Jim是疑问语序,how old Jim was是陈述语序.
例三：
Can you swim?She asked.合并为一句：She asked if/whether you could swim.
Can you swim是疑问语序,you could swim是陈述语序.