Q:

Transform the given assertive sentence into an interrogative.
Everybody has heard of Amitabh Bachchan.

• 1
  Has everybody heard of Amitabh Bachchan?
• 2
  Isnt that everybody has heard of Amitabh Bachchan?
• 3
  Everybody has heard of Amitabh Bachchan, isnt it?
• 4
  Amitabh Bachchan is known to all, isnt it?