同位语从句的引导词有哪些是什么
如果要将同位语从句与前面的句子连接在一起的话，可以选用哪些引导词?哪些可以用，哪些不可以用?今天小编给大家带来同位语从句的引导词，希望大家喜欢并且能够有所收获。
同位语从句的引导词
同位语从句的引导词，引导同位语从句的词语通常有连词that，whether，连接代词和连接副词等。
同位语从句引导词常见问题
■ 同位语从句可以用if引导吗
表示“是否”的whether可以引导同位语从句，但是与之同义的if不能用于引导同位语从句。如：
他是否会来还不一定。
误：There is some doubt if he will come.
正：There is some doubt whether he will come.
让我们来讨论是否该做的问题吧。
正：Let’s discuss the question if we should do it.
正：Let’s discuss the question whether we should do it.
■ 同位语从句可以用which引导吗
大家知道，在定语从句中，若先行词为指事物的名词，有时既可用that来引导定语从句，也可用which来引导定语从句，但在同位语从句中，习惯上要用that，而不用which。如：
我坚信他会获胜。
误：I hold a firm belief which he will win.
正：I hold a firm belief that he will win.
我得出结论这样做是不明智的。
误：I've come to the conclusion which it was unwise to do that.
正：I've come to the conclusion that it was unwise to do that.
■ 同位语从句可以用what引导吗
what不能用于引导定语从句，但可以引导同位语从句，尤其用于idea之后。如：
Have you any idea what time it starts? 你知道什么时候开始吗?
I didn’t have the faintest idea what you meant. 我一点也不明白你是什么意思。
Do you have any idea what it means to be poor? 你知道贫穷意味着什么吗?
同位语从句的特殊形式
1.间隔同位语从句
同位语从句通常是跟在它解释或说明的名词后，但有些情况下，由于句子结构的原因，同位语从句不紧跟在名词后，而被其他的词隔开。
A warm thought suddenly came to me that I might use the pocket money to buy some flowers for my mother's birthday
简析：由于that从句太长，为避免句子失去平衡，此处用了间隔同位语从句
例句：
The story goes that he beats his wife.传说他打老婆。
The news got about that he had won a car in the lottery.消息传开说他中彩得了一辆汽车。
The rumour spread that a new school would be built here.谣传这里要盖一所新学校。
Report has it that the Smith sare leaving town.有传言说史密斯一家要离开这座城市。
The thought came to him that maybe the enemy had fled the city.他想到可能敌人已逃离这座城市。
The order soon came that all citizens should evacuate the village.不久命令下来，所有居民都必须撤出村子。
2.suggestion,request和order等名词后的同位语从句用虚拟语气。
She made a request that the doctor(should)be sent for at once.
她请求立即请医生来。
简析：suggestion，order，request，proposal，requirement，command，advice，proposition和recommendation等名词后接同位语从句时，从句中的谓语动词要用“(should+)动词原形”的形式，其中should一词可
