Is he taking his exam on Monday?
When is he taking his exam ?
Is he taking his exam on Monday or on Tuesday?
He is taking his exam on Monday, isn’t he?
Who is taking his exam on Monday?  

Does the family help me not to feel lonely?
How does the family help me?
Does the family help me or my sister not to feel lonely?
The family helps me not to feel lonely, doesn’t it?
Who helps me not to feel lonely?  

Have they left their house already?
What have they left already?
Have they left their or our house already?
They have left their house already, haven’t they?
Who has left their house already  

Do we always keep promises?
How often do we keep promises?
Do we always or never keep promises?
We always keep promises, don’t we?
Who always keeps promises?  

Has she broken my favourite vase?
What has she broken?
Has she broken my favourite vase or plate?
She has broken my favourite vase, hasn’t she?
Who has broken my favourite vase?    

Am I speaking loudly?
How am I speaking?
Am I speaking loudly or quietly?
I am speaking loudly, am not I?
Who is speaking loudly?