宾语从句什么时候用陈述语气

英语中,宾语从句都要用陈述句语序.这主要针对的一般疑问句或特殊疑问句充
当宾语从句,因为对于在陈述句充当宾语从句时陈述句本身已经是陈述语序,不
需要改变语序了.举例说明：
陈述句充当宾语从句：
简单句：She was much better.Lily said.
从句：Lily said that she was much better.
一般疑问句充当宾语从句：
简单句：I wonder. Can Jim swim in such a wide river ?
从句：I wonder whether Jim can swim in such a wide river.
这里充当从句的那个疑问句,变成了陈述语序.