I'm confused what compound interrogative pronoun are used for? And what meaning does it give to a sentence? For ex

Whoever told you so?

Which also means who told you so? But what meaning does a sentence convey when a compound interrogative pronoun is used instead of a interrogative pronoun?

Sorry if I made any grammatical mistakes.


Solution 1:

In the given example, "whoever" (the compound interrogative pronoun) is used to emphasize the interrogative pronoun. "Who told you?" is simple question. but to put stress on "who", we use "whoever".