Example sentences of "it [is] sometimes necessary [verb] " in BNC.
Next page| No | Sentence |
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| 1 | To further complicate matters , it 's sometimes necessary to move blocks to a safe place first , but again taking care to get them in the correct sequence for later use . |
| 2 | In very severely affected cases of cystic fibrosis it 's sometimes necessary to perform a heart-lung transplant . |
| 3 | It is sometimes necessary to overlay successive washes — when washes are bone dry — in order to create the depth of watercolour required . |
| 4 | In practice , discriminatory rules may still be encountered in the member states and it is sometimes necessary to invoke EC rules in the appropriate national court in order to secure equal access to the relevant market . |
| 5 | It is sometimes necessary to invert one 's own view , one 's own attitudes and even one 's own moral values in order to get a clear picture of the total situation . |
| 6 | However , in asking for finance for research , or trying to persuade an organisation they would benefit from your work , it is sometimes necessary to describe the work more in ‘ social problem ’ terms . |
| 7 | Another problem is that reactions such as halide exchange may occur during disk preparation , and it is sometimes necessary to evacuate the die during pressing to prevent oxidation of samples under the extreme pressure . |
| 8 | Having passed over the wave there is often a tendency to catapult fall , so it is sometimes necessary to sheet out . |
| 9 | It is sometimes necessary to have previous experience in the clinical area before secondment on a clinical nursing studies course can be arranged , or for previous experience to have some direct relevance for future work . |
| 10 | It is sometimes necessary to have two or more theories , not as alternatives , but held together . |