2) - Their office hours don't begin at 9 o'clock.
When do their office hours begin?
3) - Mr. Bell isn't busy all day.
Is Mr.Bell busy all day?
4) - There aren't any cables on the table.
Are there any cables on the table?
5) - She can't translate some letters from English into Russian.
Can she translate some letters from English into Russian?
6) - He doesn't have any offers fron Bell&Co.
Does he have any offers from Bell&Co.
7) - Mr. Smith hadn't bought several machines from Green&Co by June 2005.
Had Mr. Smith bought several machines from Green&Co by june 2005?
8) - They weren't reading French newspapers yesterday at 5 o'clock.
When time were they reading French Newspapers?
9) - The engineers didn't meet any inspectors a week ago.
Did the engineers meet some inspectors a week ago?
10) - We haven't received five enquiries from Blake&Co yet.
Have we already recieved five enquiries from Blake&Co?
11) - They haven't a lot of offices in London.
Do they have a lot of offices in London?
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