An indirect question is sometimes expressed by means of an interrogative pronoun or adverb followed by an infinitive.
Aurora replied neither to the direct nor the indirect question.
But whichever tense be used in the summary, a past tense in indirect discourse or in indirect question remains unchanged.
An indirect question to one of the clerks helped him to an explanation of this.
Que redundant is required after decir introducing an indirect question.
An indirect question expresses the substance of a direct question in the form of a subordinate clause.
Place a question mark after a direct question, but not after an indirect question.
An indirect question, on the contrary, has an interrogative sense which may be seen by turning the question into the direct form.
The indirect quotation is usually introduced by that, and the indirect question by whether or if, or regular interrogatives.
An exclamatory sentence in the form of an indirect question is followed by an exclamation point; as,How absolute the knave is!
a question embedded in a sentence; an inquiry in reported speech, e.g. He asked who I was.