Structures of indirect questions

Structure of indirect questions

Word order in indirect question is the same as in a normal statement sentence:
SUBJECT + VERB + ...

Direct question

Indirect question

Where can I buy ink for the printer?

Can you tell me where I can buy ink for the printer?

Why do you want to work for our company?

He asked me why I wanted to work for their company.

What is the number of the last invoice?

I'm calling to ask you what the number of the last invoice is.

How much did it cost?

Do you know how much it cost?

How did it happen?

Did she tell you how it happened?