Example sentences of "more [adv] [subord] once a " in BNC.

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1 This is because the group recognises shareholders ' need for information more often than once a year , Mr Luckton explained .
2 Although not used more often than once a year in autumn , this tool saves all the hard work involved in scarifying ( breaking up and loosening the surface of ) a lawn by hand with a lawn rake .
3 Six months to a year of squeeze control leads to intercourse no more frequently than once a week , increasing as the problem subsides .
4 and behavioural abstinence : i avoiding weighing yourself more frequently than once a month .
5 Around half of those who replied ( 56% ) had never before visited the Library 's exhibitions , and only about a quarter ( 23% ) had previously visited exhibitions more frequently than once a year .
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