Example sentences of "it is [adv] necessary [verb] [pron] " in BNC.
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| 1 | To understand how money supply expands and contracts , and how it can be controlled , it is thus necessary to understand what determines the size of bank deposits . |
| 2 | Not only is it necessary to perceive an entire picture of yourself , but it is also necessary to see yourself in the context of your natural surroundings . |
| 3 | It is also necessary to examine what studying social policy implies . |
| 4 | If the vendor is part of a group it is also necessary to determine which companies in the group own the assets used in the business . |
| 5 | However , since tests are always used by different people in different settings , it is also necessary to know something about the extent to which the same tester may achieve stable scores , when the test is given to the same person on different occasions , or the extent to which the scores from different testers would be comparable if they were to test the same individual . |
| 6 | Having now examined the objectives and formal structural characteristics of trade unions in market-type economies , it is also necessary to consider their more informal organisation at workplace level since , in many Western European countries during the post-World War II period , there has been a notable growth of bargaining at plant level — often outside official union channels — along with a progressive enlargement of its scope ( see Chapter 4 ) . |
| 7 | If money supply is to be monitored and possibly controlled , it is obviously necessary to measure it . |
| 8 | and it is usually necessary to remove it by flocculation with alum or alum with sodium aluminate , followed by filtration ; the final pH should be adjusted so as to be close to neutrality on the alkaline side . |
| 9 | 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 . |
| 10 | 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 . |
| 11 | However , it is vitally necessary to cross-check your instruments one against the other and to include the Navigation instruments in the essential cross-check of the Flight instruments . |
| 12 | It is always necessary to set it against a more general background or to establish the conventions and limitations adopted by the makers of these small and almost two-dimensional objects . |
| 13 | The newspaper was demanding that the public be given a good show for their money : ‘ It is still necessary to ask ourselves whether we are getting value for money . |
| 14 | It is then necessary to market it , through lectures , seminars , and meetings with governments , business interests , and lawyers , in order to generate a groundswell of support which will help to ensure ratification . |
| 15 | It is now necessary to spread your half pattern to fit the width of the curtain fabric as shown in fig. 50b . |
| 16 | Given these or similar categories of observable behaviours , it is now necessary to decide who should be observed , how often , for how long and under what circumstances ? |
| 17 | In order to enslave the English people , we might argue , it is only necessary to enslave them at election time : once in four years Is enough . |
| 18 | Whilst design is , in practice , an involved and complex set of events , at this stage it is only necessary to define it as three interrelated sub-processes ( see Figure I.l ) . |
| 19 | Here it is only necessary to establish what they are and make a note of them . |