Example sentences of "be essential [subord] [art] [noun sg] " in BNC.

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1 The tests are designed to illustrate those qualities which may be essential if the adventure is to be a success ( p. 207 ) .
2 The major external factors which limit development potential will have to be lifted and a degree of protection for certain areas , commodities or social groups will be essential if the rehabilitation of agriculture is to take place .
3 In such cases the addition of organic matter , slag , or lime will be essential if the farming system is to be maintained without a drastic drop in fertility and production — or the breakdown of soil structure which ultimately leads to the same thing .
4 This can be costly but may be essential if the material re– quires explanation .
5 In the future this will be essential as the system moves towards an integrated structure .
6 Leash training should also be linked with other basic commands which will be essential when the dog is walking along the streets .
7 However , with 12 of the 14-man squad destined for the Caribbean , it does offer the opportunity of forging ( under the new triumvirate of Graham Gooch , Allan Lamb and Micky Stewart ) the kind of unity that will be essential when the flak is flying at the Queen 's Park Oval and Sabina Park .
8 Competitive markets are essential if the market system is to operate effectively .
9 It turns out that the Baron is short of certain body parts ( also a bit like Mark ! ) which are essential if the experiment 's to run smoothly .
10 Database and computing activities Effective methods for the storage and retrieval of information are essential when a variety of large datasets is to be handled , and the maintenance and extension of such systems has continued .
11 Speed has been essential because the Secretary of State 's timetable is formidable ( see below ) .
12 It is essential once a feed has been dropped that it should not be reinstated in a moment of weakness .
13 This aspect of assessment is essential because a person 's verbal consciousness is critical for making sense of the world .
14 LITTLE is known of the interdecadal variability in the thermohaline circulation of the world 's oceans , yet such knowledge is essential as a background to studies of the effects of natural and anthropogenic climate change .
15 Once again , accurate typing is essential as the computer will not respond to misspelled words .
16 Service of a notice under s 146(1) for breach of covenant other than for non-payment of rent is essential if a right of re-entry or forfeiture for breach of such covenant is sought to be enforced .
17 Discussing the problem , Blackmore ( 1987 ) quotes several sources explaining why handwashing is essential if the transfer of infected material from person to person is to be restricted .
18 The Report echoed some of the criticism advanced by witnesses that the WEA could not decide on its future and , at least in some Districts , had lost the pioneering spirit , but concluded nonetheless that ‘ voluntaryism as exemplified by the Workers ’ Educational Association is essential if the spirit of adult education is to be preserved' .
19 At this stage , most if not all expert systems can not be used by naive users ; a reasonable general knowledge of the area of expertise covered by the system ( its knowledge domain ) is essential if the output produced is to be taken seriously , just as the scope , limitations and difficulties presented by a new piece of legislation can only be predicted with any certainty by a lawyer and , even then , not always correctly .
20 This is essential if the head is to be free in relation to the rest of the body , so that the Primary Control can perform its natural function .
21 Sustainable development — action that alters the environment so that it caters more effectively for human needs , without depleting renewable resources — is essential if the world is to be free from poverty and squalor …
22 Boots are the best footgear on rough terrain and a torch is essential if the intention is to peep or venture into the caves that will be seen en route .
23 This is essential if the statement is to be unambiguous .
24 Bringing to life this principle — " subsidiarity " or " nearness ' — is essential if the Community is to develop with the support of its citizens …
25 Since the pipeline will cost $1 billion , such private capital is essential if the project is to go ahead .
26 A reading of McClellan 's own works on stock control is essential if the reader is to gain a balanced view of the system .
27 A devolution bill in the parliamentary session 1976–7 failed because of backbench Labour objections : the government was unable to carry the guillotine motion to curb debate which was essential if the bill was to reach the Statute Book .
28 A pool of people who could read and keep ledgers was essential if the world of commerce were to expand .
29 According to Schaffner , Dega was essential because the book contained no real human relationships .
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