Adverbio interrogativo

Interrogative adverbs

In Spanish there are interrogative adverbs, as well as in English, which introduce a question. They are invariable words.

The most common interrogative adverbs are:

Cómo How/ What

¿Cómo estás? (How are you?)

¿Cómo te llamas? (What is your name?)

Cuándo = When

¿Cuándo vas al aeropuerto?  (When are you going to the airport?) 

Por qué Why

¿Por qué tengo yo que cocinar siempre? (Why do I have to cook all the time?)

Dónde = Where

¿Dónde nos vemos esta noche? (Where shall we meet tonight?)

Cuánto How much

¿Cuánto le debo? (How much do I owe you?)

 They are also used in indirect interrogative questions:

-No sé dónde vive Clara. (I don't know where Clara lives.)

-No entiendo cómo ha pasado esto. (I don't understand how this happened.)

All interrogative adverbs always have an accent [´]
Let me take a look at that...