"Wh-" Questions...

Who: Information about a person or peopple.

Example:

 

Who are your parents? 

My parents are Maria and Jhon 

What: Information about a thing or something general.

Example:

What is in your bag?

There are a ball and toys 

When: Information about the time something happens.

Example:

When is your brother`s birthay?

My brother`s birthay is in november 7

   Where:  Information about a place.

Example:

Where do you work?

I work at nuclear plant

Which: Choice between a few possibilities.

Example: 

Which child is fatter?

Cartman or Kenny? 

whose: Information about who owns somethin.

Example:

Whose is this bird?

This is Maria`s bird 

Why: Information about the reason for something.

Example:

Why is he dressed?

Because it`s Halloween 

How: The way in which something is done.

Example:

How was your trip?

The trip was exhausting