Why is she sad?
Do you know why she is sad?
Direct: Where does she live?
Do you know where she lives?
What time does the class start?
Can you tell me what time the class starts?
Why did he leave early?
Do you know why he left early?
Is your friend coming to the party?
Do you know if your friend is coming to the party?
Does the bus stop here?
Do you know if the bus stops here?
Direct: Is he at home?
Do you know if he is at home?
How old is your brother?
Do you know how old your brother is?
Does he like pizza?
Can you tell me if he likes pizza?
Where is the supermarket?
Could you tell me where the supermarket is?
Does the store open on Sundays?
Do you know if the store opens on Sundays?
How much does this cost?
Could you tell me how much this costs?
Does she speak French?
Can you tell me if she speaks French?
Is the teacher busy?
Do you know if the teacher is busy?
Are they coming today?
Do you know whether they are coming today?