This document discusses interrogative words known as "wh-" words that are used to ask questions. It notes that these words are found at the beginning of interrogative sentences and usually start with letters "wh-". It then lists common interrogative words like who, what, when, where, how and why and explains what type of information each asks about, such as person, object, time, place, manner or reason. It provides examples of questions using these interrogative words.

1. They are those words used to ask for an element of the sentence.
We always find them in the beginning of the interrogative sentence.
They usually start by the letters “wh-”.

2. Who asks about the person
What asks about the object
When asks about the time
Where asks about the place
How asks about the manner
Why asks about the reason

3. What + noun
What colour asks about the colour
What time asks about the time
What type asks about the type of
What size asks about the size
What
time is
it?

4. How tall are
you?
How + adjective
How far asks about the distance
How often asks about frequency
How old asks about the age
How high asks about the age
How long asks about duration