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2) - their  office  hours don't begin  at 9 o'clock

? do  their  office hours begin  at 9 o'clock?

3) - mr. bell isn't busy all day.

? is mr.bell busy all  day?

4) - there aren't sone cables on the table.

? are some 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 has some offers  fron bell& co.

? does he has some 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.

?   were they  reading  french newspapers  yesterday at 5 o'clock?

9) - the engineers didn't meet some inspectors  a  week ago.

? did the engineers  meet some inspectors  a week ago?

10) - we haven't already received fives enquiries  from blake& co.

? have we already  recieved fives  enquiries  from blake& co?

11) - they haven't  a lot of  offices in london.

? have they  a lot of  offices  in london?

1)has been

2)have been

3)haven't met

4)has coming

5)have looking for

6)have known

7)has asked

8)has has been 

9)has broke

10)haven't wore(n)

11)has cleaning

1)will be swimming

2)will be

3)will be repearing

4)will have

5)will have done

6)will be beginning