在复杂特殊疑问句中,疑问词在宾语从句中担任什么成分?

这个问题我们可以简单思考一下,然后看下面的例子(注意分析划线部分是什么成分):

How much do you think he earns? 你认为他挣多少钱?(宾语)

How many books can you guess he bought the other day? 你猜他那天买了几本书?(宾语)

Who do you think the composer is? 你认为作曲家是谁?(主语补足语)

What do you believe is the most important thing for us to do in order to learn English well?

你认为把英语学好我们应该做的最重要的事是什么?(主语)

Who do you think he is? 你认为他是谁?(表语)

How long are you sure they had known each other before they got married? 你确信他们认识多久结婚的? (状语)

Which do you think tastes good, the chicken or the fish? 你认为哪一种好吃,鸡还是鱼?(主语)

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