A)
1. Is my birthday on the 15th of May?
2. When is my birthday?
3. Whose birthday is on the 15th of May?
4. My birthday is on the 15th of May, isn't it?
5. Is my birthday on the 15th of May or on the 15th of April?
b)
1. Are they fifteen minutes early?
2. How early are they?
3. Who is fifteen minutes early?
4. They are ffiteen minutes early, aren't they?
5. Are they fifteen or twenty munites early?
c)
Are we pleased to meet you?
Why are we pleased?
Who is pleased to meet you?
We are pleased to meet you, aren't we?
Are we pleased to meet you or your brother?