An asking sentence asks about something or someone.
It begins with a capital. It ends with a question mark (?).

Is it going to rain all day?

Do you like to eat spaghetti?

Do you think he is good at soccer?
An asking sentence often begins with a question word. The question words are:
- who
- what
- when
- where
- why
- how

Who is behind the elephants?

What are the children doing?

Where are the children?

When are we going to the playground?

Why is the puppy sleepy?