Что правильно?

Was Darren bought a car?
Did Darren bought a car?

Did Darren buy a car?
Who did to the store go?

Who did went to the store?
Who went to the store?

Why she went home early?
Why did she go home early?

Where Julia and Matt ate dinner?
Where did Julia and Matt eat dinner?

Where did Julia and Matt was ate dinne
Who did he talk to?

Who did he talk?
Who he talked to?