Example sentences of "[vb -s] [been] [vb pp] [v-ing] a " in BNC.
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1 | The production of the CH 3 · radical by flash photolysis of CH 3 I , for instance , has been monitored using a tunable IR laser set at a fixed frequency of 608.301 cm -1 , coinciding with the strong Q-branch of the ν 2 band . |
2 | Most of this work has been done using a standard binocular light microscope with variable ×8 to ×40 magnification , but extensive use has also been made of the scanning electron microscope . |
3 | Since April 1988 the size of the budget for each school has been calculated using a formula ( based mainly on age-weighted pupil units ) rather than the use of historical costs . |
4 | According to the NRA , the net present value of the damage that would be caused by flooding , and hence the benefit accruing , has been calculated using a number of variables , and generally lies between £41 million and £69 million . |
5 | The video has been made using a highly-experienced cast of comedy actors and a top television light entertainment director . |
6 | Such a configuration has been achieved using a special wind-tunnel with graded heated elements and flow resistance grids at its entry . |
7 | Erm just to say that , just to confirm the note sent round that erm we will only pay for any photographic services by Intercity East Coast if it has been procured using a task request form in accordance with the same way we procure any other internal B R er service . |
8 | The double staircase has been reconstructed providing a grand route to the new second-floor reception and sales area . |
9 | Most people , if asked to smooth the data by eye , would probably produce a curve similar to those in figures 9.3 or 9.4 , each of which has been derived using a well-defined arithmetic procedure described later in the chapter . |
10 | However , this lexicon has been updated as the project has progressed , and for this reason the OALD has been indexed using a different list . |
11 | Now , with support from local industry and Liverpool-based holiday specialists Leisure Angling , the festival has been resurrected carrying a IR£5,000 purse . |
12 | A great deal of money has been spent conserving a block of less-than-distinguished Victorian slums and warehouses . |
13 | One case report has been published describing a gastric electrical control activity close to 0.05 Hz ( 3 cycles/minute ) with normal histology in a child with an idiopathic mortility disorder . |
14 | The 21-year-old has been videoed putting a steel-capped boot into men who have been knocked to the ground . |
15 | An alternative method has been described using a blunt-ended vector to which a single thymidine has been transferred by the terminal transferase activity of the Taq-polymerase ( 3 ) . |
16 | Like some naughty child who 's been caught playing a prank she just kept her head low , staring at the floor . |