Example sentences of "a [adj] period [pron] [modal v] " in BNC.

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1 If the exclusion is for a fixed period which would bring the aggregate exclusion in any term to more than five days or would involve the pupil missing a public examination , the governors or LEA may order the reinstatement of the pupil and the head teacher would be bound to comply with the direction .
2 These fish are especially prone to ‘ conditioning ’ ; you can switch their minds onto a certain item of food and if you keep that food trickling through their swims over a long period they will continue feeding , with only short breaks , until that food runs out or some other disaster happens to move them .
3 If it continues over a long period it could even lead to stunted growth .
4 If the development of the unit spans a long period it will be essential to make use of new developments of this kind .
5 The dog will then usually be quiet , and after a short period you can remove the cover .
6 The US Energy Department needs to find a site to store nuclear waste accumulated over a forty-year period which will remain dangerously radioactive for tens of thousands of years .
7 Just as with a heavy period there may be cramps and nausea , so it can happen with this treatment .
8 Hewitt and Burton ( 1971 ) analysed the record for southwestern Ontario and found that in a 50-year period there would be 1 severe drought , 2 major windstorms , 5 severe snowstorms , 8 severe hurricanes , 10 severe glaze storms , 16 severe floods , 25 severe hailstorms and 39 tornadoes .
9 after a latent period which can vary in length , deterioration and acute attacks of diarrhoea re-occur , if the objectionable types of meal are added to the diet too soon … . ’
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