Where does his sister live?
I'm sorry. I don't know...
I'm sorry. I don't know where his sister lives.
Does he play video games?
Do you know...?
Ask his mom. She can tell you...
Do you know if/whether he plays video games?
Ask his mom. She can tell you if/whether he plays video games.
How long does a trip to Argentina take?
Do you know...?
Do you know how long a trip to Argentina takes?
Dena has no idea where did she put her keys.
Incorrect
Dena has no idea where she put her keys.
How much food.... last night?
a. they eat b. eat they
c. did they eat d. did they ate
How much food ... last night?
c. did they eat
Where is your brother?
I'm sorry. I'm not sure...
I'm sorry. I'm not sure where my brother is.
Do they like coffee?
Can you tell me...?
Ask their friends. They can tell you...
Can you tell me if/whether they like coffee?
Ask their friends. They can tell you if/whether they like coffee.
How much is that dress?
Can you please tell me...?
Can you please tell me how much that dress is?
Do you know whether do we have an exam today?
Incorrect
Do you know whether we have an exam today?
Could you tell me if you ate my chocolate cake
? or .
Could you tell me if you ate my chocolate cake?
What time is it?
I'm sorry. I have no idea...
I have no idea what time it is.
Is there a cafe near here?
Do you by any chance know...?
Ask the Uber driver. He can tell you...
Do you by any chance know if/whether there is a cafe near here?
Ask the Uber driver. He can tell you if/whether there is a cafe near here.
When is your sister going to have dinner with us?
Do you by chance know...?
Do you by chance know when your sister is going to have dinner with us?
Do you have any idea when they'll finish the new bridge?
Correct
I don't know what the teacher said
? or .
I don't know what the teacher said.
When is our teacher's birthday?
I'm sorry. I can't remember...
I'm sorry. I can't remember when our teacher's birthday is.
Has the concert begun?
Do you know ...?
Ask the usher. She can tell you...
Do you know if/whether the concert has begun?
Ask the usher. She can tell you if/whether the concert has begun.
Why do they take dance classes?
Can you tell me...?
Can you tell me why they take dance classes?
I don't know when is the concert.
Incorrect
I don't know when the concert is.
Who will take tomorrow's test?
Could you tell me...?
Could you tell me who will take tomorrow's test?
Where did Jane go last night?
I'm sorry. I have no clue...
I'm sorry. I have no clue where Jane went last night.
Is Cristina coming to the party?
Could you please tell me...?
Call her mom. She can tell you...
Could you please tell me if/whether Cristina is coming to the party?
Call her mom. She can tell you if/whether Cristina is coming to the party.
Where did she travel to last year?
Do you have any idea...?
Do you have any idea where she traveled to last year?
Can you tell me if/whether she has come home from work?
Correct
Who is that girl over there?
Do you have any idea...?
Do you have any idea who that girl over there is?