（1）在复杂特殊疑问句中，一般疑问句的动词都是表示判断、推测、猜度的动词，例如think, suppose, guess, say, tell, believe, hope, imagine, propose等。

Who do you think is wrong? 你认为谁错了?

What time does the letter say he will leave for France? 信上说他将何时动身去法国？

What does she find is the most important difference between day and night nursing? 她觉得白天护理和夜间护理最大的不同是什么？

Why do you think Mrs. Green wants to buy that kind of cloth very much? 你认为格林夫人为什么那么喜欢那种布料？

（2）动词的产生主要是对动词后的宾语从句的某个成分提问而形成的。

What did he say he had read? 他说他读了什么? （He said he had read the novel.）

Why do you suppose he won't come? 你认为他为什么不来? （I suppose that he won't come because he is ill.）