Ask with; 'Do you know?'
When does the game begin?
Do you know when the game begins?
How long is the journey to São Paulo?
I don't know long long the journey to SP is.
Can his dog have a treat?
I have no idea if his dog can have a treat.
Is she computer literate?
Could you tell me if she is computer literate?
I've forgotten where did I leave the keys.
I've forgotten where I left the keys.
Where is the best place to study in London?
Do you know where the best place to study in London is?
How often does he travel?
I don't know how often he travels.
Should he buy that shirt?
I have no idea if he should buy that shirt.
Did she enjoy the concert?
Could you tell me if she enjoyed the concert?
I have no idea who will be the next president.
I have no idea who the next president will be.
Where will the concert be?
Do you know where the concert will be?
What kind of books does you sister like?
I don't know what kind of books your sister likes.
Are you going to travel to San Francisco?
I have no idea if you are going to travel to San Francisco.
Did you visit her in London?
Could you tell me if you visited her in London?
You should ask the flight attendant where is your seat.
You should ask the flight attendant where your seat is.
How long has he been a dancer?
Do you know how long he has been a dancer?
How long have you been here?
I don't know how long you have been here.
Will she become rich?
I have no idea if she will become rich.
Does he go out every Saturday?
Could you tell me if he goes out every Saturday?
She could tell you how often do they clean the rooms.
She could tell you how often they clean the rooms.
Why shouldn't you drink coffee at night?
Do you know why you shouldn't drink coffee at night?
What happened to him?
I don't know what happened to him.
Could the accident have been prevented?
I have no idea if the accident could have been prevented.
Did he wash my car?
Could you tell me if he washed my car?
Do you know he sells books too?
Do you know if he sells books too?