Example sentences of "it is sometimes [adj] [verb] [Wh adv] " in BNC.
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| 1 | It is sometimes possible to determine when this procedure has been used , by examining the wear patterns of the gears . |
| 2 | In using the former , however , it is sometimes difficult to explain how things are actually working at the moment they occur rather than understanding what we see in retrospect after some factor such as clouding of memory or change of opinion may have occurred . |
| 3 | Although it is sometimes difficult to decide how an objective can be measured , an obvious objective can be cited in terms of increased sales , although it is sometimes difficult to determine whether such an increase in sales was due to PR activity or to some other marketing activity . |
| 4 | The Discovery Holiday is very popular with first time visitors to Amsterdam as there is so much to see and do in the City , it is sometimes difficult to know where to begin . |
| 5 | It is sometimes hard to recognise how much issues of gender are embedded into residential care . |
| 6 | It may seem appropriate that since VR marks the first true merging of technology and imagination , it is sometimes hard to tell where current technology ends and its imagined future begins . |