Example sentences of "to prevent [pron] [verb] " in BNC.

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1 Frankie lifted his head and stiffened his knees in an effort to prevent them trembling .
2 If so , it may be possible to include specific provisions to prevent them recurring .
3 Trim the pads if necessary with a scalpel to prevent them touching any neighbouring pads or tracks .
4 When they could not get gold for their dollars after 1971 ( the US gold stock fell by only $2½ billion over the whole period ) , they only acquired these dollars because they were prepared to sell their own currencies in order to prevent them rising further .
5 This kind of blow-over can only be avoided by manning the glider all the time or by tying it down with pickets , preferably with the wings level and all its control surfaces locked to prevent them flapping against their stops .
6 These two required regular follow up to prevent them obstructing .
7 Prop up heavily-laden branches to prevent them breaking .
8 Although many gliders have a spring or bungee in the circuit to reduce the snatching loads at higher speeds on the approach , this is seldom powerful enough to prevent them sucking open if they are unlocked .
9 He is one of nine players given winter contracts designed to prevent them seeking employment elsewhere during the close season .
10 The original birds are believed to be escapees from captivity , probably from a private collector who omitted to clip their feathers to prevent them flying away .
11 It is well worth while to lift the manhole covers , then wash the brickwork and the benching ’ with warm water , and point any defective brickwork or joints ; replace the covers after smearing the rims with a little grease to prevent them sticking .
12 The disabled racers will be kept behind motorcycle escorts until the last mile to prevent them reaching roads before they close .
13 It was n't compulsory by any means — there was nothing to prevent them wearing civilian fashion — but they chose to advertise their solidarity with their husbands , to demonstrate esprit de corps and , as it happened , even at home in malai land as well as here in occupied territory , it was to their advantage to show who they were .
14 Concrete pillars and barriers will be erected to prevent them moving caravans on to the land .
15 If wild animals have access to your garden you may need to prevent them trying to dig up your pet 's body ; make sure that the grave is as deep as possible and perhaps place a paving slab over it .
16 Leading environmentalist Medha Paktar and 400 others were arrested to prevent them commiting samarpan ( self-sacrifice ) in protest against the dam project , which would force 250,000 tribal people to move from the Narmada valley .
17 Dense blooms of blanket weed or suspended algae may also be removed or controlled to prevent them using oxygen .
18 The authorities ( the government operating through the Bank of England ) could impose statutory minimum reserve requirements on the banks to prevent them choosing to reduce their liquidity ratio and choosing thereby to create more credit .
19 Two still lifes by the seventeenth-century Antwerp artist Jacob Van Hulsdonck , found in the attic of a hospital at Melun , near Paris , were sold for FFr2.5 million on 20 December by auctioneer Jean-Pierre Osenat after a year-long legal battle with museum authorities who had the works classed monuments historiques to prevent them leaving France .
20 And some of the newcomers have money to throw around , so I 'm not going to prevent them throwing some of it towards the hunt .
21 Forty male Wistar rats , caged in groups of five , were maintained on the test diets for 18 months and were housed on refined cat litter to prevent them eating the bedding .
22 , but then , when you come to the lunatic fringe then supervisor 's will cut an awful lot of corners to prevent them busting up the office or punching somebody in the nose , a real , I do n't mean people who are just stroppy , I mean the real lunatic .
23 The male then has to prevent them drying out .
24 Provided that all the controls can be locked to prevent them getting damaged by slamming against the stops , parking the aircraft facing down wind will be safest , because then the wing is meeting the airflow at a negative angle .
25 If you 've just bought suede shoes I suggest you spray them with suede guard to prevent them getting dirty .
26 We were afraid to tell Dad the exact truth so we said we 'd put them there to prevent them getting broken .
27 Under their licences granted in 1984 , the network providers are forbidden from selling airtime or cellphones direct to the public , a restriction imposed to prevent them wielding excessive power in the business .
28 The idea is not to block them out or pretend that they never happened — indeed you would be building up a store of problems for the future If you did so — but to prevent them forming part of your future .
29 Both men pulled on the cowl hoods to prevent them seeing their abductors .
30 Contrasted with that prospect of classical elegance is the tangle which the visitor sees ahead down the older thoroughfare : the spire of St Giles 's cathedral , entrances to courtyards in which lived men as diverse as the philosopher David Hume and the Jekyll-and-Hyde rogue Deacon Brodie , and high tenement blocks wedged against one another as if to prevent them toppling backwards into a chasm .
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