Example sentences of "can [adv] be kept [adj] " in BNC.
Next page| No | Sentence |
|---|---|
| 1 | However , in many cases , the invention can not be kept secret , especially if articles made to the invention are to be marketed commercially or if a large number of employees know of the invention , in which case a patent is the only realistic solution . |
| 2 | It has been established that new information rapidly decays from the memory ; it can not be kept ready for instant recall unless its impression on the brain is renewed . |
| 3 | It is difficult to feed hay from a rick so covered because the shape is constantly changing and the top can not be kept convex . |
| 4 | Since cultures are unlikely to be maintained for more than 4 or 5 days they can generally be kept free of bacterial contamination by conducting all manipulations in sterile media with flame-pulled glass mouth pipettes under dissecting microscopes in a dust-free area , for example surrounded by Perspex dust covers . |
| 5 | Most fish can certainly be kept healthy without live foods , but they do seem to enjoy them ! |