1. Don\'t we have any vocations this winter?Don\'t we have any vacation this winter or this spring?When do we have no vacations?Who doesn\'t have any vacations this winter?This winter we don\'t have any vocations, do we?2. Does he usually start working at 9 o\'clock?Does he usually start working at 9 o\'clock or at 10 o\'clock?When does he usually start working?Who usually starts work at 9 o\'clock?He usually starts working at 9 o\'clock, doesn\'t he?3. Are your telexes on Jane\'s table?Are your telexes on Jane\'s table or on my bed?Where are your telexes?What is on Jane\'s table?Your telexes are on Jane\'s telexes, aren\'t they?