Example sentences of "it is often necessary [verb] " in BNC.
Next page| No | Sentence |
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| 1 | Machine detergents : Comparative costing is a little more difficult as two or more chemicals are involved , such as detergent and rinse additive , and it is often necessary to compare powders with liquids . |
| 2 | Many aspects of the site , including dating , are revealed by its finds , and it is often necessary to compare finds with those discovered elsewhere . |
| 3 | But to arrive at that moment , he wrote , it is necessary to be patient , it is necessary to hold back , it is often necessary to do nothing . |
| 4 | It is often necessary to confine answers to either metric ( Example 95 ) or Imperial ( Example 96 ) units as appropriate . |
| 5 | The stress of being a ‘ social outcast ’ may outweigh some of the benefits of a totally pure , wholefood diet , so it is often necessary come to a compromise over such matters , as Owen 's parents decided to do . |
| 6 | This is satisfactory enough , though it is often necessary to perch the tripod on top of a platform or a solid table , as otherwise you will have to be something of a contortionist when looking at an object high in the sky ( incidentally , the same is true of a small refracting telescope ) . |
| 7 | Within any machine code program it is often necessary to repeat a section of code a number of times and this can become quite tedious . |
| 8 | With this type of patient it is often necessary to take considered risks rather than treatment being entirely determined by suicide threats . |
| 9 | To catch the offending shrimp , it is often necessary to strip down the entire tank , rock by rock , until it is found . |
| 10 | It is often necessary to drive with close attention to the car in front , especially if the driver appears to have had a little too much wine or is having a highly excited conversation with his fellow passengers and waving his arms about . |
| 11 | However , it is often necessary to use several solvents so that regions obscured by bands of one are free of interference in the spectrum of another . |
| 12 | Within all the social services , but especially within education , it is often necessary to argue for increased access to the material resource of the service while simultaneously suggesting that there are aspects of the service , particularly the ideology transmitted by it , which one deplores ( see Sections I and IV ) . |
| 13 | In cases concerning children it is often necessary to subjugate justice to the adults to the interests of the children . |
| 14 | Mr Hughes summarily dealt with opposition to such proposals : ‘ It is often necessary to counter negative images with positive images . |
| 15 | The term ‘ rich ’ implies that the pictures should contain a wealth of information relevant to the study ; however , trying to include too much detail can result in them becoming extremely cluttered , and it is often necessary to summarise the detail ( using the interview analysis technique if required ) and redraw them as the study progresses . |
| 16 | Of course , this is a very simple case , and it is often necessary to consider many more AOs and MOs . |
| 17 | In short , it is often necessary to alter the letter of the original in order to preserve its spirit . |
| 18 | It is often necessary to look at the water 's surface and try to visualise exactly what is happening beneath it — to imagine the fish in their own world and how best it might be to get a bait to them . |
| 19 | Because the antisemitism of the extreme right raises such questions about the future of antisemitism , it is often necessary to pay attention to small extremist groups , which in themselves possess little political importance . |
| 20 | When winning the lost for Christ it is often necessary to rebuke sin . |
| 21 | In order to produce a realistic model of a mechanism , it is often necessary to produce an association which further constrains the output motion . |